2020 Chevrolet Suburban: common problems and reliability
The 2020 Chevrolet Suburban has 40 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are engine and power train. Owners most often flag costly powertrain failures (lifters, oil pumps, fuel injectors, transmissions) on models under 100,000 miles. frequency: recurrent.
Safety record for the 2020 model year
40
Owner complaints
0
Recalls
2
Crash reports
1
Fire reports
Source: NHTSA complaints and recalls filed for 2020 Chevrolet Suburban vehicles (US, public record).
Where owners report problems
engine
14
power train
10
electrical system
8
steering
4
vehicle speed control
3
What owners say across generations
Sentiment is mixed and heavily dependent on model year and generation. Long-term owner reports for older generations (GMT400, GMT800, and early GMT900) frequently praise their durability, comfort, and capability as workhorse vehicles, with some considering the
Costly powertrain failures (lifters, oil pumps, fuel injectors, transmissions) on models under 100,000 miles. Frequency: recurrent.
Complex electrical and computer failures (PCM/ECM, battery/charging system issues, parasitic drains, complete vehicle shutdowns). Frequency: recurrent.
Persistent "rotten egg" sulfur smell from exhaust, potentially related to catalytic converter or fuel system. Frequency: isolated.
Air conditioning system failures (rear A/C, front blower motor, actuators). Frequency: recurrent.
Poor interior material quality and breaking plastic components. Frequency: recurrent.
Owner insights cover all generations of the Suburban.
Typical used price
Used Suburban listings typically run $19,995–$61,990 across 2008 to 2026 model years.