2025 Chevrolet Suburban Engine Problems
NHTSA lists 16 engine complaints for the 2025 Chevrolet Suburban, 53% of its 30 total complaints, with a median failure mileage of 9,601.5 miles. Owners describe complete engine seizure on both the 6.2L V8 and 3.0L Duramax; no related recall is currently listed.
- Engine complaints
- 16
- 53% of 30
- Crashes reported
- 0
- Fires reported
- 0
- Injuries reported
- 0
- Median mileage
- 9,602 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Sudden loss of power or complete engine shutdown while driving on the highway, sometimes with the display warning that acceleration is no longer available.
- 6.2L V8 engines locking up or seizing entirely, in some cases while merging or passing another vehicle.
- 3.0L Duramax engines suffering internal damage described as a thrust bearing failure, with reports of the same issue occurring at under 6,000 miles.
- Knocking or clanging noises from the engine followed by a temporary loss of propulsion and the speedometer dropping to zero before recovering briefly.
- Warning messages such as reduced acceleration, oil sensor alerts, or a request to add oil appearing before the engine required full replacement.
- Vehicles left at dealerships for extended repair periods awaiting full engine replacement under warranty.
When 2025 Chevrolet Suburban engine complaints were filed
First complaint Jul 24, 2025, latest Aug 30, 2026.
Engine recalls for the 2025 Chevrolet Suburban
No safety recalls on record for this model year.
Engine complaints by Suburban model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How common are engine problems on the 2025 Chevrolet Suburban?
- NHTSA lists 16 engine complaints out of 30 total complaints for the 2025 Suburban, making up 53% of all complaints filed for this model year.
- Is there a recall for the 2025 Chevrolet Suburban engine?
- No related recall is currently listed in NHTSA data for the 2025 Suburban's engine, though several owners reference a prior 6.2L engine recall covering 2021-2024 model years and ask GM to extend it.
- At what mileage do these engine failures happen?
- The median mileage at failure reported to NHTSA for the 2025 Suburban's engine complaints is 9,601.5 miles, with some owners reporting failures at far lower mileage.
- What engines are affected on the 2025 Suburban?
- Owner complaints describe failures on both the 6.2L V8 and the 3.0L Duramax diesel engine options.