2020 Chevrolet Suburban Engine Problems
Engine complaints make up 19 of 44 total complaints (43%) filed for the 2020 Chevrolet Suburban, a higher share than most other model years in this dataset. Median mileage at failure is 60,000 miles, and NHTSA lists no related recall for this issue.
- Engine complaints
- 19
- 43% of 44
- Crashes reported
- 0
- Fires reported
- 1
- Injuries reported
- 0
- Median mileage
- 60,000 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Collapsed cylinder lifters and camshaft damage causing knocking, rattling, or banging noises from the engine compartment.
- Complete engine failure requiring full replacement, in some cases occurring more than once on the same vehicle.
- Fuel injector or wiring harness problems reported to cause misfires and, in one case, a fire after an engine replacement.
- Engine cutting out or losing power while driving at highway speed, with erratic RPM behavior before stalling.
- Cylinder misfire causing the vehicle to shake or shudder, with only some cylinders firing correctly.
- Adaptive cruise control failing to react in time to slowing traffic, requiring driver braking to avoid a collision.
When 2020 Chevrolet Suburban engine complaints were filed
First complaint Aug 15, 2020, latest Aug 27, 2026.
Engine recalls for the 2020 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
- Are 2020 Suburban engine problems common?
- NHTSA lists 19 engine complaints out of 44 total complaints for the 2020 Suburban, meaning engine issues make up 43% of all complaints filed for this model year.
- Is there a recall for the 2020 Suburban engine?
- No. NHTSA lists no related recall tied to the engine complaints filed for the 2020 Suburban.
- At what mileage do 2020 Suburban engines typically fail?
- The median mileage at failure reported in NHTSA complaints is 60,000 miles.
- What specific engine failures do owners report?
- Owners describe collapsed lifters, camshaft damage, fuel injector failures, misfires, and cases of complete engine replacement, with one complaint noting a fire.
- How does the 2020 Suburban compare to other model years for engine complaints?
- The 43% share of engine complaints in the 2020 Suburban is higher than years like 2015 (10%) and 2016 (14%), though lower than 2023 (60%) and 2022 (52%).