2020 Chevrolet Suburban: Reliability Data

Source: NHTSA — 59 complaints
59
Total Complaints
3,250mi
Median Mileage
ENGINE
Top Issue
3
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

568 25th Percentile
3,250 Median Mileage
88,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
14
POWER TRAIN
10
ELECTRICAL SYSTEM
7
STEERING
4
FUEL/PROPULSION SYSTEM
3
VEHICLE SPEED CONTROL
3
SERVICE BRAKES
3
ELECTRONIC STABILITY CONTROL (ESC)
2
AIR BAGS
2
SUSPENSION
2

Severity Assessment

3
Crashes
1
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"2020 CHEVROLET SUBURBAN. UPON VEHICLE START: STEERING ASSIST, TRAILER BRAKE SYSTEM, STABILITY TRACK ALL INOP. TACHOMETER AND SPEEDOMETER INOP. NO REVERSE GEAR. WHEN IN DRIVE, ONLY FIRST GEAR OBTAINABLE AND MANUAL SHIFT MODE INOP. SEAT HEAT INOP. TURNED OFF AND RESTARTED APPROX FIVE TI..."
"2020 CHEVROLET SUBURBAN. UPON VEHICLE START: STEERING ASSIST, TRAILER BRAKE SYSTEM, STABILITY TRACK ALL INOP. TACHOMETER AND SPEEDOMETER INOP. NO REVERSE GEAR. WHEN IN DRIVE, ONLY FIRST GEAR OBTAINABLE AND MANUAL SHIFT MODE INOP. SEAT HEAT INOP. TURNED OFF AND RESTARTED APPROX FIVE TI..."
"2020 CHEVROLET SUBURBAN. UPON VEHICLE START: STEERING ASSIST, TRAILER BRAKE SYSTEM, STABILITY TRACK ALL INOP. TACHOMETER AND SPEEDOMETER INOP. NO REVERSE GEAR. WHEN IN DRIVE, ONLY FIRST GEAR OBTAINABLE AND MANUAL SHIFT MODE INOP. SEAT HEAT INOP. TURNED OFF AND RESTARTED APPROX FIVE TI..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28