2009 Mini Cooper S: Reliability Data

Source: NHTSA — 151 complaints
151
Total Complaints
53,000mi
Median Mileage
ENGINE
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

39,932 25th Percentile
53,000 Median Mileage
75,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
65
AIR BAGS
17
POWER TRAIN
16
ENGINE AND ENGINE COOLING
14
ELECTRICAL SYSTEM
13
SEAT BELTS
4
SEATS
4
UNKNOWN OR OTHER
3
FUEL SYSTEM, GASOLINE
3
FUEL/PROPULSION SYSTEM
3

Severity Assessment

3
Crashes
5
Fires
2
Injuries
0
Deaths

Sample Complaint Reports

"2009 MINI COOPER S. DROVE CAR 20KM TO LOCAL MALL. CAME OUT TO RETRIEVE WALLET FROM GLOVE BOX AFTER BEING IN MALL FOR APPROXIMATELY 20MIN. CAR WAS COMPLETELY ENGULFED IN FLAMES. FIRE DEPARTMENT SAID IT WAS AN ELECTRICAL FIRE THAT MOST LIKELY STARTED IN THE DASHBOARD SOMEWHERE. NO WARNING SIGNS OF IMM..."
"I WAS INVOLVED IN A MULTIPLE CAR ACCIDENT. NONE OF THE AIR BAGS DEPLOYED AND THE SEAT BELT DID NOT HOLD ME APPROPRIATELY RESULTING IN HITTING THE STEERING WHEEL WITH MY FACE. I HAD HEAD CONCUSSION AND MULTIPLE FACE BRUISES, INCLUDING A DEEP CUT IN MY LIP. MINI (BMW) IS INVESTIGATING. *TR"
"I WAS INVOLVED IN A MULTIPLE CAR ACCIDENT. NONE OF THE AIR BAGS DEPLOYED AND THE SEAT BELT DID NOT HOLD ME APPROPRIATELY RESULTING IN HITTING THE STEERING WHEEL WITH MY FACE. I HAD HEAD CONCUSSION AND MULTIPLE FACE BRUISES, INCLUDING A DEEP CUT IN MY LIP. MINI (BMW) IS INVESTIGATING. *TR"

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