2026 GMC Sierra 1500 engine problems
The 2026 GMC Sierra 1500 has 37 engine complaints filed with NHTSA — 44% of the year's total, and roughly flat versus the prior model year.
37
Engine complaints
44%
Share of year
0
Crash-involved
0
Related recalls
Engine complaints by year
What owners report
“2026 GMC Sierra Elevation X31 with 3.0 Duramax Diesel engine, 132-miles, thrust bearing 1.53-mm out of tolerance requiring engine and turbo replacement. Engine build date 25219 (07 AUG 2025), vehicle assembly date August 2025, purchased 10 OCT 2025, entered service for engine and turbo failure on…”
Common questions
How many engine complaints does the 2026 GMC Sierra 1500 have?
NHTSA has 37 complaints about the 2026 GMC Sierra 1500 engine — 44% 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.