Complaint volume
587 consumer-submitted complaints are matched to this model year. Treat the count as a research signal, then read the actual summaries for repeated symptoms.
Complaint records
2019 GMC Sierra Complaints
587 consumer-submitted complaints on record for the 2019 GMC Sierra, grouped by component category.
587 Total complaints
12 Crash reports
3 Fire reports
7 Injury reports
Complaint data reflects consumer-submitted reports. A complaint is not proof
of a defect, recall, or manufacturer fault. Enriched severity fields come
from official bulk records when the complaint can be matched by ODI number.
Buyer interpretation
How to use these complaints before buying
Complaint records are most useful when they turn into inspection points, seller questions, and comparison checks against nearby model years.
Pattern to inspect
The most common categories are engine, power train, service brakes. Use those categories as a test-drive checklist instead of judging the vehicle from the total count alone.
Severity flags
Enriched records include 12 crash reports, 3 fire reports, 7 injury reports, and 0 fatality reports. These fields come from complaint records and should be read in context.
Mileage clue
Mileage is available on 206 complaints, with an average reported failure mileage of 36,124 miles. Compare that with the mileage on the listing.
Questions to ask the seller
- Have you had any problems related to engine, power train, service brakes?
- Can I see recent maintenance and repair records?
- Has the vehicle ever been towed, involved in a crash, or repaired for the same issue twice?
- Can we also check the recall record for this 2019 GMC Sierra?
Used-car checklist
Use these complaints before the test drive.
Build a buyer checklist to turn these issues into questions and inspection points.
2019 GMC Sierra
Build buyer checklist Compare with other years Sends year, make, and model to pre-fill your checklist.
How severe are the 2019 GMC Sierra complaints?
12 Crash
3 Fire
7 Injury
0 Fatality
50 Towed
1 Medical attention
What are the most common 2019 GMC Sierra complaint categories?
ENGINE 184
POWER TRAIN 75
SERVICE BRAKES 41
UNKNOWN OR OTHER 24
ELECTRICAL SYSTEM 18
POWER TRAIN,ENGINE 17
STEERING 14
ENGINE AND ENGINE COOLING 11
ELECTRICAL SYSTEM,SERVICE BRAKES 9
STEERING,ELECTRICAL SYSTEM,SERVICE BRAKES 9
587 total complaints on record
Latest complaints
| Date | Component | Summary | Severity | Mileage |
|---|---|---|---|---|
| Aug 2025 | ENGINE | Yates GMC Replaced my engine a couple of years ago under warranty and my truck has never been the same. I’ve been to the dealer multiple times. The drive, the way it operates always making cranking snapping sounds. | Crash: No Fire: No | Unknown |
| Aug 2025 | ENGINE AND ENGINE COOLING | The contact owns 2019 GMC Sierra 1500. The contact stated while reversing and depressing the brake pedal, the vehicle stalled. The contact shifted to park(P), turned off and restarted the vehicle, but the failure persisted. The vehicle was towed to an independent mechanic, where the starter was replaced, and the contact was informed that the engine needed to be replaced. The vehicle was then towed to the dealer, where it was diagnosed that the engine had failed and needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA Action Number: PE25001 (Engine, Engine and Engine Cooling). The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was 84,000. | Crash: No Fire: No Towed | 84,000 |
| Jul 2025 | STEERING | Power Steering failure. Loss of power steering while driving the vehicle made any turns nearly impossible. Dealership identified root cause and a problem with a grounding strap. They reported that in addition to our vehicle, another GMC Sierra 1500 had come in the same day with the same problem. Loss of power steering while driving can lead to collision. This should be a safety recall. | Crash: No Fire: No | Unknown |
| Jul 2025 | POWER TRAIN | Had to have transmission rebuilt found metal shavings and was shifting bad and shuttering. Vehicle Has 63,000 miles and is well maintained. Vehicle was taken to GMC but said their transmission person was on vacation for 2 weeks. Also parts dept Said they had no transmissions in stock and were back ordered. Truck was taken to AAMco and transmission was rebuilt And torque converter replaced . This is a common issue with GMC trucks. | Crash: No Fire: No | Unknown |
| Jul 2025 | UNKNOWN OR OTHER,BACK OVER PREVENTION | On or around July 12th 2025 at low speed of 2-4 mph my rear end locked up sending everyone in the vehicle hard stop forward. The vehicle wouldn't disengage leaving me no choice but to have it towed for the second time 1st time happened exactly the same about month and a half prior. Gmc service department department claims they couldn't find anything wrong after it sat for two days in there lot after having it towed they were closed weekends and looked at it that Monday morning finding no signs of anything wrong. After picking up my vehicle I strongly feel like if at higher speeds or even environment this issue will endanger myself passengers and bystanders. I need help with resolving this safety issues asap please. Gmc hasn't been much help service department nor Gm support options. | Crash: No Fire: No Injuries: 2 | Unknown |
| Jul 2025 | ENGINE | On 7/17/25 vehicle was taken to Star Buick/GMC in Easton PA for rear brakes and an oil change. This vehicle has 49,981 miles on it. I was told after the oil change the tech took the truck for a test drive. I was told he made it about 20 feet and the engine seized. Either the tech forgot to refill the crank case or it is another GM 6.2 disaster. Please advise as the dealer is quoting over 12K to replace engine. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | My 2019 GMC Sierra 1500 truck exhibiting all the same signs as the recent call for the same 2021 truck recall according to the dealership. This is for the L87 V8 engine. The 2021 engine was used in the 2019 trucks but again the 2019 trucks are not a part of the recall. My repair bill is upwards of $10,000 and diagnostics is upwards for $4,000 even though all are aware of the recent recall and my truck having the same engine. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | The contact owns a 2019 Chevrolet Silverado 1500. The contact stated that while driving 70 MPH, there was an abnormally loud sound coming from the engine compartment before the vehicle lost automotive power. The vehicle was towed to the local mechanic who diagnosed the vehicle with engine failure. The contact was advised that the engine needed to be replaced. The vehicle was not yet repaired. The manufacturer and local dealer were not notified of the failure. The failure mileage was 126,000. | Crash: No Fire: No Towed | 126,000 |
| Jul 2025 | ENGINE | The contact owns a 2019 GMC Sierra 1500. The contact stated that while driving on the highway at 60 MPH, there was an abnormal knocking sound coming from the engine. There was no warning light illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was advised that the camshaft and lifters were faulty and needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 73,000. | Crash: No Fire: No | 73,000 |
| Jul 2025 | ENGINE | Vehicle motor suddenly stopped working. Vehicle was pulled into a driveway safely then wouldn’t crank anymore. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | Truck is at the Jim Gauthier GMC dealership on Mcphillips in Winnipeg, Canada. Engine endured catastrophic failure and is currently waiting for a new engine. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE,FUEL/PROPULSION SYSTEM | - 6.2 engine lost propulsion & warninng light on dash flashed about 3-5 times. After that the trucks engine completely malfunctioned. When this happened i was traveling at 70mhp on interstate I-69 when the the truck lost power to the engine, steering and power braking. The truck was inspected by a GM dealer and they found the engine had blown & with that it caused damage to the coolant system & to the catalytic converterin which all was replaced at full customer cost. Prior to the engine failure 2 other times it lost power and had a rough ilde and trouble starting . 1st time the dealer could not replacate the issue the next time found a camshaft postioning sensor was bad which was placed at customer cost. | Crash: No Fire: No | Unknown |
| Jun 2025 | UNKNOWN OR OTHER | I washed my truck on a Saturday and as I was driving later that morning my tailgate opened while in transit. I did not notice this until I had stopped. After a little digging I found the 2019 tailgate electric switch is prone to this problem when it gets wet. There were no warning lamps for this problem. | Crash: No Fire: No | Unknown |
| Jun 2025 | POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | I was driving with my wife about to merge into traffic on the interstate when I had a huge power loss. It was a busy part of the interstate where I could have been ran over. There was a lot of traffic and was fortunate the Semi driver was alert and slowed down. I was not aware of any failures of this motor or received any notices from GM. After conducting research I found that this was a know issue that GM failed to report. My truck has been serviced regularly and until that point had not given any signs of a upcoming failure, I have read that GM is looking into other years such as 2019 which mine is. I have had no luck with GM customer care with the only response being I need to crunch the numbers from my claim advisor. I have the 6.2 L87 motor and know of the clip failure do to poor assembly and parts and debris getting into the motor causing the failure. I am looking to report this and request any assistance available. My first stop was the dealership, then GM customer care | Crash: No Fire: No | Unknown |
| Jun 2025 | BACK OVER PREVENTION | The contact owns a 2019 GMC Sierra 1500. The contact stated that the “Service Rearview Camera” message was displayed on the navigation display screen. The camera failed to activate while reversing. There were watermarks on the rear inside glass. The following day, the camera was operational. The contact was concerned about running over a pedestrian due to the camera being inoperable. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 29,000. | Crash: No Fire: No | 29,000 |
| Jun 2025 | ENGINE AND ENGINE COOLING | The contact owns a 2019 GMC Sierra 1500. The contact stated while driving 10 MPH, the vehicle made an abnormal ticking sound. The contact stated that the failure also occurred upon starting the vehicle. The vehicle was taken to the dealer, where the camshaft and lifters were replaced, and other unknown required repairs were performed. The vehicle was repaired. The contact related the failure to NHTSA Action Number: PE25001. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 52,029. | Crash: No Fire: No | 52,029 |
| Jun 2025 | ENGINE | Driving down the highway at approximately 65mph, when I accelerated to 70mph my truck began to shake violently flashing a check engine light, service parking brake light, and service ESC light, the engine began to violently shake and make a rough knocking noise Had the vehicle towed to the mechanic where I was informed that the lifter on cylinder 2 had collapsed and that it would be $12,500 to replace all 16 lifters as well as the cam shaft on my engine My safety was at risk as my truck went into a “limp” mode and essentially shut off on the side of the road, others were at risk due to my truck becoming a hazard, the tow operator was at risk having to pickup my truck on the side of a 70mph freeway The only check engine code I had was a misfire on cylinder 2 Dealership stated that it was a known issue but that my truck was outside of warranty, and not apart of recall so there was nothing they could do Had truck towed to different shop that is repairing the problem Requested that all parts be kept in case of inspection request | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE AND ENGINE COOLING | The contact owns a 2019 GMC Sierra 1500. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed, but the vehicle failed to accelerate as intended. There was no warning light illuminated. The vehicle was driven to the shoulder of the road. The vehicle was towed to the dealer where it was diagnosed with metal shavings in the oil pan and engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact related the failure to an unknown recall. The manufacturer was made aware of the failure but no assistance was provided. The contact was advised to contact the NHTSA Hotline to report the safety failure. The failure mileage was approximately 120,000. | Crash: No Fire: No Towed | 120,000 |
| Jun 2025 | STEERING,ELECTRICAL SYSTEM,ENGINE | My 2019 GMC Sierra Denali shut off suddenly while I was stopped in traffic. The engine died, the steering wheel locked, and the dashboard displayed warning messages including “ESC,” “power,” and another I didn’t catch. The truck would not restart despite attempts. The check engine light is now on. This happened without warning, and I had no prior mechanical issues. The vehicle is well maintained, garage-kept, and recently received a full service including oil change, brake work, and 75K-mile recommended service. I fear this is related to a known issue affecting other GMC engines under investigation for sudden power loss. | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE | There is a common lifter failure issue with the 5.3 V8 engine in these vehicles and local mechanics I've spoken too are very aware. The 6.2L was recalled for the same reason. GM would not honor or cover any of this as it was "out of warranty", however, I strongly feel this should be investigated. | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE | The engine failed and needs full replacement. Known GM issue with lifters. Engine style 6.2L. We contacted GM and they are not responsive and they provided a claim number. To repair is over 9,000$ and I still owe about 7000$ and the truck was purchased brand new. GM cannot furnish a replacement engine. The dealer showed 34 in stock when ordered. The dealer contacted us later stating GM canceled the order and they do not have an ETA when they can send an engine for the vehicle. We are paying on a vehicle that is stuck at dealer and cannot be repaired. | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE | I had a 2019 GMC Sierra with a 6.2L gas engine. The engine failed while I was driving on the highway at 65 mph. The truck began shaking badly, check engine light and all kinds of warning lights came on. I pulled over and drove slowly 10 miles to a GM dealer who then told me that I should not be driving the truck due to safety concerns and it could lose power and lead to an accident. I had it towed back to my home town ($500 later) to the GMC dealer where I purchased the truck. They told me the same thing, it could not be driven. GM has since recalled vehicles with this same 6.2L engine manufactured in model years 2021-2024. I believe that recall should have included my 2019 truck. I was at risk of serious injury or death due to engine failure, fortunately I did not crash. However, I lost $14,000 in value of the truck thanks to the faulty engine. I believe the recall should be expanded and I should be compensated by GM for the engine failure. I have attached the estimate for the repair. | Crash: No Fire: No | Unknown |
| Jun 2025 | POWER TRAIN,ENGINE | I am reporting a serious mechanical and safety issue with my 2019 GMC Sierra 1500 (5.3L engine). The truck began misfiring, running rough, and would frequently “jump” and shut off while driving — creating an unsafe situation on the road. We attempted several repairs to resolve the issue: •Transmission flush •Replaced the intake manifold gasket •Replaced all eight fuel injectors •Inspected all ignition coils •Replaced faulty sensors The vehicle repeatedly showed a Cylinder 8 misfire, even after these repairs. Eventually, it was diagnosed that both the lifters and camshaft are bad, and the engine now needs a full replacement. This is extremely concerning because the truck has only about 47,000 miles on it. We brought it to the dealership in September 2024, while it was still under warranty, and told them it wasn’t running right. The dealership said there was nothing wrong. Now that the warranty has expired, GM is refusing to help with any repairs. This appears to be a manufacturing defect that was not properly diagnosed while under warranty. Engine failure at such low mileage, especially with early warning signs and repeated diagnostic errors, should be investigated as a serious reliability and safety concern. | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE | The engine lifters failed with out notice twice. Upon inspection of the vehicle it was determined that there was no issues that contributed to this failure. I paid to have the problem fixed within a year the same problem happend again. I was on the expressway and my car just shut off with out warning while cruising at expressway speeds and refused to cut back on for about 2 hrs. | Crash: No Fire: No | Unknown |
| May 2025 | POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | Since I bought the truck, it has had transmission problems. The truck will violently jerk forward between Park - 1st - 2nd gears (up and down) pretty frequently. The dealership denied being able to recreate the issue and nothing was wrong. After dropping the vehicle off a few times, the dealer service dept said they recreated the problem and replace the torque converter. It did not work and the service dept manager told me that they knew about the problem the whole time but were instructed by General Motors to not attempt to fix the issue. I called GM Company and a supervisor eventually admitted to knowing of the transmission and engine issues all along but the GM engineers have not found a solution yet but they are working very hard to figure it out. Since those calls, my lemon law claim with BBB Auto was approved, but suddenly denied with no explanation. Following that, the #2 lifter failed and damaged the cam shaft. All were replaced and that was at 70,000 miles. The transmission has not been fixed. | Crash: No Fire: No | Unknown |