repaired · 2026 Q3
Power train: transfer case (4-wheel drive)
Do not driveNewRisk. Front or rear wheel lockup increases the risk of a crash.
2020 Chevrolet SuburbanProblems, recalls & complaints
NHTSA has logged 44 owner complaints about the 2020 Chevrolet Suburban, most often about the engine. It is covered by 4 safety recalls, and for recall 21V-115 the manufacturer reports only 75% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 27, 2026. Updated daily. Photo: Oleg Yunakov, CC BY-SA 4.0.
Complaints by system
Where the 2020 Chevrolet Suburban has problems
44 complaints grouped by the system owners reported.
17Engine1 crash/fire/injury
10Power train
8Electrical system
4Steering
3Vehicle speed control
3Fuel/propulsion system
3Service brakes
2Air bags
2Electronic stability control (ESC)
87 other systems
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 17 | 1 |
| Power train | 10 | 0 |
| Electrical system | 8 | 0 |
| Steering | 4 | 0 |
| Vehicle speed control | 3 | 0 |
| Fuel/propulsion system | 3 | 1 |
| Service brakes | 3 | 1 |
| Air bags | 2 | 1 |
| Electronic stability control (ESC) | 2 | 0 |
| 7 other systems | 8 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
4 recalls
2020 Chevrolet Suburban recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2022 Q4
Tires
Risk. Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss.
repaired · 2021 Q1
Delivery: fuel pump
Risk. Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the presence of an ignition source.
repaired · 2021 Q2
Electronic stability control (ESC)
Risk. Unintended activation of the driveline-protection system will cause unintended braking on the wheel on the opposite side of the failed sensor, causing the…
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Chevrolet.
Best & worst years
2020 vs. every other Suburban year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Suburban median. How we score
1136971830625452189499858457360414201634282440286301204129232922131061171481011185943322014284794420812713447
'81'82'83'84'85'86'87'88'89'90'91'92'93'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24
- Avoid
- Caution
- Solid
- Best
- Not rated
In owners' words
What Suburban owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
In 2025, one if the pistons misfired. It was repaired and the same issue occurred a year later causing the cam shaft to break as well. Not to mention we had an electrical failure where the dashboard didn’t work and the water pump failed right after it was in for the first piston misfiring. It was…
Engine had a catastrophic failure and completely shut off while driving down the highway. The engine has completely seized and requires replacement. The vehicle was towed to an independent service shop and the technician diagnosed that the engine needed to be replaced.
There is a safety recall on GM’s 6.2L V8 L87 engine model years 2021-2024. My vehicle is a 2020 Suburban with a 6.2L V8 L87 engine. My engine recently experienced the same failure as cited in the recall, but because it is outside the 2021-2024 window it is not covered by this recall. I ask that the…
Own a 2020 Suburban?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.