2018 GMC Sierra 1500 Problems, Complaints & Recalls
- Compared with other Sierra 1500 years
- More complaints than other years 12th of 32 for complaints
- Safety recalls
- 7 recalls: check your VIN
- NHTSA crash rating
- 5 out of 5 stars
Owners have filed 305 complaints with NHTSA about the 2018 GMC Sierra 1500. That ranks 12th out of 32 Sierra 1500 model years for complaints. The most reported problem area is power train (131 complaints, 43%), typically at around 29,781 miles. Complaints mention 10 crashes, 1 fire, 5 injuries. There are 7 safety recalls covering this model year.
- 305owner complaints
- 7safety recalls
- 0NHTSA investigations
- 10complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2018 GMC Sierra 1500 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Power Train problems | 131 | 43% | 29,781 | “torque converter” (11%) | — |
| Engine problems | 67 | 22% | 47,000 | — | — |
| Electrical System | 43 | 14% | 36,000 | — | — |
| Service Brakes | 40 | 13% | 11,500 | — | — |
| Steering | 30 | 10% | 16,500 | — | — |
| Unknown or Other | 25 | 8% | 17,000 | — | — |
| Suspension | 11 | 4% | 50,000 | — | — |
| Fuel/propulsion System | 10 | 3% | 8,666 | — | — |
| Air Bags | 8 | 3% | 25,000 | — | — |
| Wheels | 7 | 2% | 18,000 | — | — |
| Engine and Engine Cooling | 6 | 2% | 111,871 | — | — |
| Forward Collision Avoidance | 6 | 2% | — | — | — |
| Structure | 6 | 2% | 29,562 | — | — |
| Vehicle Speed Control | 6 | 2% | 47,000 | — | — |
| Seat Belts | 5 | 2% | 32,500 | — | — |
| Tires | 5 | 2% | 37,300 | — | — |
| Service Brakes, Hydraulic | 4 | 1% | 93,500 | — | — |
| Visibility | 4 | 1% | 55,838 | — | — |
| Equipment | 3 | 1% | 50,000 | — | — |
| Exterior Lighting | 3 | 1% | 3,500 | — | — |
| Seats | 2 | 1% | 28,000 | — | — |
| Visibility/wiper | 2 | 1% | 2,250 | — | — |
| Electronic Stability Control (esc) | 1 | 0% | 150 | — | — |
| Fuel System, Gasoline | 1 | 0% | 133,742 | — | — |
| Lane Departure | 1 | 0% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2018 GMC Sierra 1500 recalls (7)
Tap a recall to see the problem, the risk and the fix.
Air bags
Problem: 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 vehicles. The left-side or right-side roof rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.
Risk: A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increasing the risk of injury.
Fix: Dealers will replace both RRAB modules, free of charge. Owner notification letters were mailed June 24, 2026. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262557310. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 21, 2026. This recall expands previous NHTSA recall number 26V166.
Air bags
Problem: 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.
Risk: A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increasing the risk of injury.
Fix: Dealers will replace the left and right-side RRAB modules, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262549710. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 19, 2026.
Air bags
Problem: 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.
Risk: A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increases the risk of injury or crash.
Fix: Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed July 23, 2025. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252513060.
Air bags:side/window:curtain:inflator
Problem: 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.
Risk: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.
Fix: Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed November 8, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC Customer Service at 888-988-7267. GM's number for this recall is N242474500.
Service brakes, hydraulic:power assist:vacuum
Problem: 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.
Risk: A decrease in brake assist can increase the brake pedal effort and distance required to stop the vehicle, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began November 11, 2020. Owners may contact GM customer service at 1-866-522-9559, Cadillac customer service at 1-800-458-8006 or Chevrolet customer service at 1-800-630-2438. GM's number for this recall is N202300860.
Service brakes; service brakes, hydraulic:antilock/traction control/electronic limited slip:wheel speed sensor/tone ring; electronic stability control (esc)
Problem: 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.
Risk: Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the vehicle to pull to one side unexpectedly, increasing the risk of a crash.
Fix: GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began December 11, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192261050.
Service brakes, hydraulic:power assist:vacuum
Problem: 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.
Risk: As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the distance required to stop the vehicle, thereby increasing the risk of a crash.
Fix: GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charge. The recall began October 8, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N192268490.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
My 2018 GMC Sierra 1500 experienced significant transmission problems that began as rough, inconsistent shifting, hesitation, and abnormal transmission behavior before eventually progressing to complete transmission failure. These symptoms were present before the transmission's ultimate failure and…
I was backing out of my garage and truck made strange noise and shut off . Tried to restart but just made ding and wouldn't turn over . Dash lights went blank. Had vehicle towed to shop and mechanic stated it was crank and connecting rods after he dropped the oil pan. I ordered new OEM engine and…
Customer states: thinks crankshaft pulley is loose due to prior water pump replacement-crackshaft pulley has nothing to do with water pump replacement. Before inspecting/starting engine verified oil level-oil level is on full mark. Started engine-loud rattling/knocking noise from engine-engine has…
Vehicle purchased Certified Pre-Owned in October of 2021 with roughly 43,000 miles. During the first service (47,598 miles) at a GM dealer I reported very hard shifts, but this issue was ignored during service. At the next servce (54,571 miles) I again reported the hard shifts and "surging" when…
Unknown
Other GMC Sierra 1500 years
← 2017 Sierra 1500 · 2019 Sierra 1500 →
| Year | Complaints | Recalls |
|---|---|---|
| 2026 Sierra 1500 | 142 | 2 |
| 2025 Sierra 1500 | 119 | 1 |
| 2024 Sierra 1500 | 368 | 1 |
| 2023 Sierra 1500 | 490 | 3 |
| 2022 Sierra 1500 | 594 | 6 |
| 2021 Sierra 1500 | 587 | 7 |
| 2020 Sierra 1500 | 479 | 12 |
| 2019 Sierra 1500 | 653 | 10 |
| 2018 | 305 | 7 |
| 2017 Sierra 1500 | 354 | 6 |
| 2016 Sierra 1500 | 343 | 8 |
| 2015 Sierra 1500 | 719 | 9 |
| 2014 Sierra 1500 | 742 | 9 |
| 2013 Sierra 1500 | 116 | 3 |
| 2012 Sierra 1500 | 107 | 3 |
| 2011 Sierra 1500 | 284 | 5 |
| 2010 Sierra 1500 | 168 | 4 |
| 2009 Sierra 1500 | 234 | 4 |
| 2008 Sierra 1500 | 381 | 2 |
| 2007 Sierra 1500 | 263 | 2 |
| 2006 Sierra 1500 | 145 | 0 |
| 2005 Sierra 1500 | 177 | 0 |
| 2004 Sierra 1500 | 212 | 2 |
| 2003 Sierra 1500 | 180 | 1 |
| 2002 Sierra 1500 | 166 | 1 |
| 2001 Sierra 1500 | 140 | 2 |
| 2000 Sierra 1500 | 181 | 1 |
| 1999 Sierra 1500 | 158 | 1 |
| 1998 Sierra 1500 | 59 | 2 |
| 1997 Sierra 1500 | 83 | 3 |
| 1996 Sierra 1500 | 5 | 0 |
| 1995 Sierra 1500 | 3 | 0 |
See all GMC Sierra 1500 problems by year, every GMC model, or the GMC VIN decoder.
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Frequently asked questions
What are the most common problems with the 2018 GMC Sierra 1500?
Owners most often report power train, engine, electrical system problems. The top one, power train, accounts for 131 complaints.
Was there a recall on the 2018 GMC Sierra 1500?
Yes, 7 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2018 GMC Sierra 1500 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Sierra 1500 model years, the 2018 has more complaints than most years, and NHTSA rates it 5 out of 5 stars overall in crash tests. Always get a pre-purchase inspection and check the VIN for open recalls.