2018 Chevrolet Suburban: Reliability Data

Source: NHTSA — 108 complaints
108
Total Complaints
38,155mi
Median Mileage
ENGINE
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

18,000 25th Percentile
38,155 Median Mileage
82,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
18
ELECTRICAL SYSTEM
14
POWER TRAIN
13
SERVICE BRAKES
12
UNKNOWN OR OTHER
10
STEERING
8
SEAT BELTS
5
WHEELS
4
AIR BAGS
4
FUEL/PROPULSION SYSTEM
3

Severity Assessment

3
Crashes
0
Fires
4
Injuries
0
Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2018 CHEVROLET SUBURBAN. WHILE DRIVING 75 MPH, A VEHICLE CRASHED INTO A GUARDRAIL AND BOUNCED BACK ONTO THE ROADWAY. AS A RESULT, THE CONTACT CRASHED INTO THE FRONT OF THE VEHICLE. THE FRONT END OF THE CONTACT'S VEHICLE WAS DAMAGED. THE AIR BAGS FAILED TO DEPLOY. THE FRONT SEA..."
"THE FILLER NECK ON MY 3 MONTH OLD 2018 CHEVROLET SUBURBAN 1500, HAD TO BE REPLACED BECAUSE OF AN O RING THAT WAS MISSING, CAUSING THE FUEL TANK NOT TO PRESSURIZE PROPERLY CAUSING THE FUEL MANAGEMENT SYSTEM TO SEND AN OBD II FAULT."
"DEFECTIVE REAR CENTER SEAT BELT. WOULD NOT EXTEND OUT."

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