2018 GMC Sierra 1500 engine problems
The 2018 GMC Sierra 1500 has 68 engine complaints filed with NHTSA — 16% of the year's total, and roughly flat versus the prior model year.
68
Engine complaints
16%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“2018 gmc Seirra 1500 8 speed transmission. Making unsafe conditions while driving transmission tends to make hard shifts, jerks, hesitation when moved into gear, gets worse when stopping momentarily at stop lights and then trying to accelerate vehicle will not move. Makes hard shift and jerks then…”
Common questions
How many engine complaints does the 2018 GMC Sierra 1500 have?
NHTSA has 68 complaints about the 2018 GMC Sierra 1500 engine — 16% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.