2018 Model Year

GMC Sierra 1500

NHTSA Complaints & Reliability Data

Compare
Complaints
284
Recalls
0
Crashes
10
Severe
16

Recent Complaints

Latest owner reports

Engine
Jun 2026

Engine failure. 6.2l with AFM system Extreme oil consumption Heavy metal in oil Loud ticking 120789 miles Purchase date 05/29/2025 Madras, Oregon Ch...

Power Train
Feb 2026

I’ve gone through two transmissions on my 2018 gmc sierra 1500 both times the same issue. The gears are shot, hard shifting. Vehicle is well maintaine...

Power Train
Feb 2026

The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle jerked abnormally hard. No warning...

Power Train
Feb 2026

The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at various speeds, there was an abnormal vibration in the steering whee...

ENGINE AND ENGINE COOLING,ENGINE
Jan 2026

The contact owns a 2018 GMC Sierra 1500. While starting the vehicle, it was shaking violently, with reduced power. The vehicle was restarted and worke...

POWER TRAIN,ENGINE
Jan 2026

I OWN A 2018 GMC SIERRA DENALI ULTIMATE, The truck has the 6.2 engine which had the lifter issue as stated with the current situation. At the time, th...

Engine
Jan 2026

The lifters in my engine collapsed. This caused a push rod to be bent and the cam shaft to be damaged causing thousands to fix. While I was driving....

Power Train
Jan 2026

The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the vehicle was shaking abnormally. No warning...

Visibility
Dec 2025

The contact owns a 2018 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the air conditioning system became inoperable....

POWER TRAIN,ENGINE
Dec 2025

I have 125,000 miles on my truck. I was traveling with my grandkids in the back seat. We were going through a four way stop. My truck started tappin...

VS

Vehicle Safety Research Team

Automotive Data Analysts

Independent researchers analyzing NHTSA data to help consumers make informed vehicle decisions.

Data updated: March 5, 2026

Summary

The 2018 GMC Sierra 1500 has 284 complaints and 0 recalls on record. The most commonly reported issue is Power Train. 10 crash-related incidents have been reported.

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