Worst 2018 GMC Sierra 1500 Problems
Top 3 most-reported issues with average mileage at failure.
Transmission / Drivetrain
Engine Problems
Electrical Faults
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All Problems by Category
Every NHTSA complaint category for the 2018 GMC Sierra 1500.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Transmission / Drivetrain | 121 | 4 | — | 41,148 mi | |
| Engine Problems | 60 | — | — | 56,056 mi | |
| Electrical Faults | 40 | — | 1 | 46,700 mi | |
| Brakes | 38 | 2 | — | 15,505 mi | |
| Steering Defects | 27 | 1 | — | 21,018 mi | |
| Fuel System | 10 | 1 | 1 | 16,606 mi | |
| Suspension Failures | 9 | 1 | — | 60,852 mi | |
| Airbags | 8 | 4 | — | 35,600 mi | |
| Wheel Issues | 7 | — | — | 15,921 mi | |
| Unintended Acceleration | 6 | — | — | 47,000 mi | |
| Engine & Cooling | 5 | — | — | 120,348 mi | |
| Body Structure | 5 | 1 | — | 28,564 mi | |
| Seat Belt Issues | 4 | — | — | — | |
| Hydraulic Brakes | 4 | — | — | — | |
| Headlight/Taillight Failures | 3 | — | — | — | |
| Forward Collision Avoidance: Automatic Emergency Braking | 3 | — | — | — | |
| Forward Collision Avoidance: Warnings | 3 | — | — | — | |
| Power Train:Automatic Transmission:Torque Converter | 3 | — | — | — | |
| Tire Defects | 3 | — | — | — | |
| Seat-Related Issues | 2 | — | — | — | |
| Tires:Sidewall | 2 | — | — | — | |
| Wipers & Visibility | 2 | — | — | — | |
| Visibility:Defroster/Defogger/Hvac System | 2 | — | — | — | |
| Instrument Cluster | 1 | — | — | — | |
| Electrical System:Instrument Panel:Speedometer/Odometer | 1 | — | — | — | |
| Electronic Stability Control | 1 | — | — | — | |
| Engine And Engine Cooling:Exhaust System | 1 | — | — | — | |
| Equipment:Appliance:Air Conditioner | 1 | — | — | — | |
| Equipment:Electrical:Infotainment | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2018 GMC Sierra 1500. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2018 GMC Sierra 1500
6 NHTSA recall campaigns affecting ~4,130,844 vehicles.
General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2019 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 Crew Cab vehicles. The left or right-side roof rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.
General Motors (GM) is recalling certain 2018 GMC Sierra 1500, 2019 Sierra 2500, 3500, Chevrolet Silverado 3500, and Chevrolet Silverado 2500 and 2018 Chevrolet Silverado 1500 Crew Cab vehicles. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.
General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2018-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 Crew Cab trucks. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.
General Motors LLC (GM) is recalling certain 2018 Cadillac Escalade, Chevrolet Silverado 1500 and Tahoe, GMC Sierra 1500 and Yukon vehicles equipped with either a 5.3L or 6.2L V8 engine. The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.
General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive. If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.
General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum created by the vacuum pump may decrease over time.
Other GMC Sierra 1500 Years
2018 GMC Sierra 1500 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2018 GMC Sierra 1500 reliable?
What are common problems with the 2018 GMC Sierra 1500?
At what mileage do problems start on the 2018 GMC Sierra 1500?
How safe is the 2018 GMC Sierra 1500?
Does the 2018 GMC Sierra 1500 have any recalls?
Should I buy a 2018 GMC Sierra 1500?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full GMC Sierra 1500 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2018 GMC Sierra 1500
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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