2025 GMC Sierra 1500 Engine Problems

NHTSA component category: ENGINE · data through 11/01/2026

61Engine complaints

48.4%Of all 126 complaints

#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How engine ranks on this vehicle

ENGINE61 · 48.4%

POWER TRAIN28 · 22.2%

ELECTRICAL SYSTEM26 · 20.6%

Unspecified / other15 · 11.9%

FUEL/PROPULSION SYSTEM7 · 5.6%

Share of the 126 complaints citing each category; one complaint can cite several. Full breakdown on the 2025 GMC Sierra 1500 overview page.

What owners report

“Notice during startups and slow speeds engine making taping noises. After bringing my truck in for service I was told my sound was my lifters…”NHTSA complaint 11743745 — filed 06/12/2026

“Either while stopping while driving or parking (forward or reverse) the engine RPMs go up thus wanting to move the vehicle in that direction causing…”NHTSA complaint 11742881 — filed 06/09/2026

“In normal operation on Tuesday May 26,2026, the engine experienced catastrophic failure. The engine is the GM L87 6.2 Liter. This was on a highway…”NHTSA complaint 11740590 — filed 05/28/2026

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Engine complaints by year filed

Frequently asked questions

Does the 2025 GMC Sierra 1500 have engine problems?

Engine is the most-reported problem area on the 2025 GMC Sierra 1500: 61 of 126 complaints on file (48.4%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2025 GMC Sierra 1500 have in total?

126 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 3 involved a crash, 1 involved a fire, 0 reported injuries, and none reported deaths.

What does NHTSA's engine category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 11/01/2026.