2018 GMC Sierra 1500: recalls and problems
7 recalls and 304 owner complaints on file with NHTSA. The most-reported problem area is power train.
Most common problems
What owners report
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 waiting on delivery . been 5 weeks now since order . vehicle only has 106,000 miles on it and have had it since 20,000 m
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 internal failure-engine replacement is required. also hearing noise in rearend-cannot test drive due to engine condition
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 coming to a stop but the dealer reported they were unable to replicate the issue and did not address it. at the next ser
I own a 2018 gmc sierra 1500 v8 5.3 liter which is at 46, 433 miles. over the past few weeks i have noticed the transmission having difficulty shifting in first gear and lurching, and making shuddering noises, and as well making a constant ticking noise. after an experienced mechanic had put a diagnostic system onto my truck, his system diagnosed a transmission lifter failure, specifically 2 out of the 8 lifters. a
Crash-test ratings
| Version | Overall | Frontal | Side | Rollover |
|---|---|---|---|---|
| 2018 GMC Sierra 1500 PU/EC RWD | ||||
| 2018 GMC Sierra 1500 PU/EC 4WD | ||||
| 2018 GMC Sierra 1500 Hybrid PU/CC RWD | ||||
| 2018 GMC Sierra 1500 PU/CC RWD |
Source: NHTSA recalls, complaints and NCAP APIs, covering Sierra 1500. Last refreshed 2026-09-29.