Vehicle report

2018 Acura MDX

Recalls, consumer complaints, safety ratings, fuel cost estimate, and next steps from official public data sources.

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2018 Acura MDX
9 Total recalls
May 21, 2026 Latest recall date
154 Complaint reports
$3,130 Estimated fuel cost
Quick answer: The 2018 Acura MDX has 9 official recalls and 154 consumer complaints in our database. The latest recall date is May 21, 2026. The most common complaint categories include engine and engine cooling,fuel system, gasoline, engine, fuel system, gasoline. Estimated annual fuel cost is $3,130 based on the current calculator assumptions.

Buyer interpretation

What this record means before you buy

The useful question is not just whether this page has records. It is what those records should make you verify before money changes hands.

Recall homework

There are 9 official recalls listed for this model year. Before buying, use the VIN to confirm which campaigns are still open and ask for dealer repair records on completed work.

Owner complaint pattern

Owner complaints most often mention engine and engine cooling,fuel system, gasoline, engine, fuel system, gasoline. Scan those categories before the test drive so you know what symptoms, warning lights, or service history to ask about.

Open investigation signal

5 federal defect investigations are still open. That is not a recall, but it is worth reading before assuming the issue is settled.

Ownership-cost check

The fuel-cost estimate is based on a representative EPA match, not every trim. Confirm the actual engine, drivetrain, and tire setup before comparing this listing with another year or model.

Questions to ask the seller

  • Can you show the current VIN recall status for this 2018 Acura MDX?
  • Do you have dealer invoices or campaign paperwork for the listed recall repairs?
  • Have you noticed any issues related to engine and engine cooling,fuel system, gasoline, engine, fuel system, gasoline?
  • Can I review recent maintenance records before the test drive?
Used-car checklist

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Use our buyer checklist to know what to inspect, ask, and verify before the test drive.

2018 Acura MDX Premium Gasoline
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Safety ratings

Official safety ratings were found for 3 tested variants of the 2018 Acura MDX.

Overall 5/5 stars
Frontal crash 5/5 stars
Side crash 5/5 stars
Rollover 4/5 stars

Displayed variant: 2018 Acura MDX SUV FWD ; rollover risk 16.4%

Safety ratings can vary by tested body style, trim, drivetrain, or variant. Do not assume every trim has the same rating unless the official record says so.
Variant Overall Front Side Rollover
2018 Acura MDX SUV FWD Default 5/5 stars 5/5 stars 5/5 stars 4/5 stars
2018 Acura MDX Sport Hybrid SUV AWD 5/5 stars 5/5 stars 5/5 stars 4/5 stars
2018 Acura MDX SUV AWD 5/5 stars 5/5 stars 5/5 stars 4/5 stars

How many recalls does the 2018 Acura MDX have?

Verify with official VIN lookup

9 official recalls on record for the 2018 Acura MDX. 51 matched quarterly completion reports are available.

Latest recall: May 21, 2026

Recall data is based on official records. This page is not an official VIN recall check. Always confirm open recalls with an official VIN lookup, the manufacturer, or an authorized dealer. Completion reports are campaign-level, delayed, and not VIN-specific.
Campaign Component Summary Consequence Remedy Date Completion
26V332000 AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022 CR-V, 2017-2018, 2021 Civic Type R, 2017-2021 Civic hatchback, 2016-2020 Civic coupe, 2016-2022 Civic, 2017-2022 Accord Hybrid, and 2016-2022 Accord vehicles. The front passenger seat weight sensor may crack and short circuit, which can cause the air bags to deploy unintentionally during a crash. Air bags that deploy unintentionally during a crash increase the risk of injury. Dealers will replace the seat weight sensors, free of charge. Owner notification letters are expected to be mailed July 6, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH, NOC, POD, BOE, UOF, POB, EOG, AOI, QO8, TOJ, DO7, and SOK. This recall expands previous NHTSA recall number 24V064. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 29, 2026. May 2026 Not matched
25V259000 EXTERIOR LIGHTING Honda (American Honda Motor Co.) is recalling certain 2014-2020 Acura MDX vehicles. Moisture may enter the tailgate lid light assembly and wiring harness, which can cause the interior and exterior lights to fail, including the lid lights, position lights, license plate lights and taillights. Vehicle lights that fail to illuminate can decrease visibility and increase the risk of a crash. Dealers will inspect the wiring and install a fuse harness, replace the lid light, and repair the body dust sealer, as necessary, free of charge. Owner notification letters were mailed May 30, 2025. Owners may contact Acura's customer service at 1-800-382-2238. Acura's number for this recall is FLI. Vehicles included in this recall that were previously repaired under NHTSA recall number 19V-256 will need to have the new remedy completed. Apr 2025 2026-1
87,085 remedied / 152,800 involved (57.0%)
23V858000 FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail. Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash. Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314. Dec 2023 2026-1
1,734,847 remedied / 2,490,460 involved (69.7%)
23V751000 ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL Honda (American Honda Motor Co.) is recalling certain 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2016 and 2018-2019 Pilot, 2017 and 2019 Ridgeline, and 2018-2019 Odyssey vehicles. Due to a manufacturing error, the connecting rod bearing in the engine may wear and seize, damaging the engine. A damaged engine may run improperly or stall while driving, increasing the risk of a fire, crash, or injury. Dealers will inspect and repair, or replace the engine as necessary, free of charge. Owner letters were mailed March 28, 2024. 2016-2017 Acura MDX owner letters were mailed November 1, 2024. 2016-2020 Acura MDX owner letters are expected to be mailed in mid-December 2024. Honda began mailing owner notification letters as of March 18, 2024. 2015-2016 Acura owner letters are expected to be mailed mid-December 2024, 2018 Acura TLX owner letters are expected to be mailed the end of March/early April 2024, 2019 Acura TLX owner letters are expected to be mailed mid-May 2024, 2020 Acura TLX owner letters are expected to be mailed mid-June 2024, and 2016-2020 Acura MDX owner letters are expected to be mailed January 27, 2025. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XG1 and GG0. Nov 2023 2025-4
186,678 remedied / 248,999 involved (75.0%)
19V298000 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS Honda (American Honda Motor Co.) is recalling certain 2018-2019 Acura MDX and Honda Pilot vehicles and 2019 Acura RLX, RLX Sport Hybrid, TLX and Honda Odyssey and Ridgeline vehicles. The timing belt teeth may separate from the belt. Teeth separation from the timing belt may result in an engine stall, increasing the risk of crash. Honda will notify owners, and dealers will inspect the vehicle and replace any affected timing belt free of charge. Vehicles receiving a replacement timing belt will also have the engine inspected and any damaged components will be replaced for free. The recall began June 7, 2019. Honda owners may contact customer service at 1-888-234-2138. Honda's number for this recall is L4M. Acura owners may contact customer service at 1-888-234-2138. Acura's number for this recall is Z4L. Apr 2019 2020-3
87,916 remedied / 93,946 involved (93.6%)
19V256000 EXTERIOR LIGHTING:TAIL LIGHTS Honda (American Honda Motor Co.) is recalling certain 2014-2019 Acura MDX and 2017-2019 Acura MDX Sport Hybrid vehicles. Moisture may enter the tailgate lid lights, possibly causing a loss of the tailgate lid lights and the taillights. Loss of the taillights reduces the vehicle's visibility, increasing the risk of crash. Acura will notify owners, and dealers will modify the tailgate lid lights and install updated gaskets and a wiring sub-harness or will replace both tailgate lid lights. The repairs will be performed free of charge. The recall began May 7, 2019. Owners may contact Acura customer service at 1-888-234-2138. Acura's number for this recall is M49. Mar 2019 2020-3
277,038 remedied / 322,897 involved (85.8%)
19V060000 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP Honda (American Honda Motor Co.) is recalling certain 2016-2018 Acura MDX, 2015-2019 Acura TLX and 2015-2017 Honda Accord vehicles, equipped with a 3.5L V6 engine. Particulates in fuel may adhere to the internal components of the fuel pump, reducing its performance. Reduced fuel pump performance can result in an engine stall, increasing the risk of crash. Honda will notify owners, and dealers will update the fuel injection engine control unit (FI-ECU) software and, if necessary, replace the fuel pump, free of charge. The recall began March 25, 2019. Owners may contact customer service at 1-888-234-2138. Acura's recall number for this recall is P3W. Honda's recall number for this recall is N3X. Jan 2019 2020-2
391,164 remedied / 437,032 involved (89.5%)
18V777000 SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER Honda (American Honda Motor Co.) is recalling certain 2017-2019 Acura MDX, 2017-2018 Acura MDX Sport Hybrid, 2018-2019 Honda HR-V and Honda Odyssey, and 2016 Honda HR-V vehicles. The rear brake caliper pistons may have an insufficient coating, causing gas pockets to form, reducing brake performance. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 135, "Light Vehicle Brake Systems." A reduction of braking performance increases the risk of a crash. Owners will be notified, and Honda or Acura dealers will bleed the brakes, free of charge. The recall began December 11, 2018. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are C31 and L30. Nov 2018 2020-1
59,452 remedied / 64,785 involved (91.8%)
18V221000 SEATS Honda (American Honda Motor Co.) is recalling certain 2018 Honda Pilot and Ridgeline vehicles and 2018 Acura MDX vehicles. The front driver and passenger powered seats in the Honda vehicles and the driver powered seats in the Acura vehicles may have been assembled with improperly manufactured rivets. In the event of a crash, the rivets can break causing the seats not to be secured to the floor. As such, these vehicles may fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 207, "Seating Systems," and 210, "Seat Belt Assembly Anchorages." In the event of a crash, if the seat does not remain secured to the floor, the seat occupant has an increased risk of injury. Honda will notify owners, and dealers will replace the driver seat frame assembly in Acura MDX vehicles, and replace the driver and front passenger seat slide rail frames in Honda Pilot and Ridgeline vehicles, free of charge. The recall began May 30, 2018. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall is D0S, and T0T. Apr 2018 2019-3
5,039 remedied / 5,810 involved (86.7%)

Are there federal defect investigations for the 2018 Acura MDX?

Official records show 7 federal defect investigations matched to the 2018 Acura MDX.

5 open 2 closed
Investigations are not recalls. They show official defect reviews and may close without a recall, or may reference a related campaign when one exists.
Action Status Component Subject Opened Related recall
PE25008 Open ENGINE Engine failure
The Office of Defects Investigation (ODI) has received 414 reports of connecting rod bearing failures in the 3.5L V6 engine used in the following vehicles: Model Years (MY) 2018-2020 Acura TLX, MY2016-2020 Acura MDX, MY2016-2020 Honda Pilot, MY2018-2020 Honda Odyssey, and MY2017-2019 Honda Ridgeline.  The subject engine failures were analyzed as part of a Recall Query (RQ24013).  It was determined that these engine failures are outside the scope of Honda Recall 23V-751. Further, evidence gathered in conjunction with RQ24013 does not suggest this failure is caused by the same crankshaft manufacturing defect that is addressed by Honda in Recall 23V-751.  Based on analysis of data from RQ24013, NHTSA has closed that investigation. The significant number of reports of engine failure in vehicles outside the scope of RQ24013 presents a potential safety risk that warrants further investigation.  ODI is opening this Preliminary Evaluation (PE) to further evaluate the scope and severity of the potential problem and to fully assess the potential safety-related issues.  To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov. 		Aug 2025 None
EA25004 Open ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR No Restart After Auto Start/Stop Engages
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov. 		Mar 2025 None
EA25004 Open ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE No Restart After Auto Start/Stop Engages
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov. 		Mar 2025 None
EA25004 Open ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL No Restart After Auto Start/Stop Engages
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov. 		Mar 2025 None
EA25004 Open ENGINE AND ENGINE COOLING:ENGINE No Restart After Auto Start/Stop Engages
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov. 		Mar 2025 None
RQ24013 Closed ENGINE Engine failure
On November 8, 2024, the Office of Defects Investigation (ODI) opened Recall Query RQ24013 to assess the scope of Honda recall 23V-751 after receiving complaints that alleged connecting rod bearing failures in vehicles that were not within the scope of recall 23V-751. In November 2023, Honda recalled 248,999 various Model Year (MY)2016–2020 Honda and Acura vehicles equipped with the 3.5L V6 engine. Honda recalled these vehicles due to a crankshaft manufacturing defect that caused premature connecting rod bearing wear and engine seizure. While the out-of-scope failures involved in these complaints appear to have a very similar failure mechanism as the recalled engines, a thorough analysis of all available data from Honda has not indicated that the same manufacturing defect exists in the out-of-scope engines as the engines recalled by 23V-751. Based on this analysis ODI has determined that Honda has properly defined the scope of recall 23V-751. Consequently, ODI will close this RQ investigation.  NHTSA will continue to investigate these complaints of engine failure as part of a new Preliminary Evaluation Investigation (PE25008). The Agency reserves the right to take additional action if warranted by new circumstances. 		Nov 2024
Closed Aug 2025 		None
DP22005 Closed ELECTRICAL SYSTEM:PROPULSION SYSTEM Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition. 		Jan 2023
Closed Aug 2023 		22V063000

Are there manufacturer notices for the 2018 Acura MDX?

Official records show 145 manufacturer communications on record for the 2018 Acura MDX.

0 warranty 0 service campaigns 0 software/OTA

Common components: ENGINE AND ENGINE COOLING (34), FUEL SYSTEM, GASOLINE (29), ELECTRICAL SYSTEM (20), SERVICE BRAKES, HYDRAULIC (19), EQUIPMENT (16)

Manufacturer communications are not recalls. They can include service bulletins, repair instructions, warranty extensions, software updates, service campaigns, and other notices.
Date Type Component Summary ID / document
Jan 2026 Other FUEL/PROPULSION SYSTEM Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI software update to fix this issue. 11028523
ONL6AX01302026
Sep 2025 Service Bulletin/Repair Instructions VISIBILITY/WIPER Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work. 11023136
B25-003
Jul 2025 Service Bulletin/Repair Instructions VISIBILITY/WIPER Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work. 11020860
B25-003
Jul 2025 Service Bulletin/Repair Instructions ENGINE Service Bulletin - Under certain circumstances, after coming to a stop and engaging idle stop the vehicle may not restart automatically due to excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by selecting Park and pressing the ENGINE START/STOP button. 11020584
B23-002
Jun 2025 Other EXTERIOR LIGHTING Owner Notification Letter - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work. 11019899
ONL6L806042025 Letter
Jun 2025 Other EXTERIOR LIGHTING Owner Notification Letter - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work. 11019900
ONL6L806042025 Form
Apr 2025 Service Bulletin/Repair Instructions VISIBILITY/WIPER Service Bulletin - An uneven sealing surface allows moisture to enter the inner taillight(s), causing one or both of the inner taillights not to work. 11017330
B25-003
Feb 2025 Service Bulletin/Repair Instructions ENGINE Service Bulletin - The AWD warning light is on with one or more AWD DTCs having been set due to water intrusion into the electric oil pump motor connector area corrodes the terminals. 11015014
B24-022
Nov 2024 Service Bulletin/Repair Instructions STRUCTURE:BODY Service Bulletin - The AWD warning light is on potentially due to water intrusion into the rear differential pump motor connector area that corrodes the terminals. 11011046
B24-022
May 2024 Other ENGINE Owner Notification Letter - Under certain circumstances, after coming to a stop and the idle stop feature engaging, the vehicle may not automatically restart. Acura is providing a product update with a new PGM-FI software update to fix this issue. 11000723
ONL6AX05292024

What are the most common 2018 Acura MDX complaints?

154 total complaints on record

How much does the 2018 Acura MDX cost in fuel?

Estimated annual cost $3,130 $261/month at 12,000 miles/year
Effective efficiency 20.9 MPG
Energy used 574 gal/yr
Price assumption $5.45 $/gal

Assumptions: 18 city / 26 highway / 21 combined MPG · Premium Gasoline · efficiency ratings from official public data when available · fuel price default: official public data (U.S. average, Jun 3, 2026)

424 g/mi CO2Fuel score 4/10Smog 3/10

Model-year comparison

2026 2025 2024 2023 2022