2011 Mini Cooper: Reliability Data

Source: NHTSA — 128 complaints
128
Total Complaints
60,000mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
1
Crash Reports

When Do Complaints Happen?

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

30,000 25th Percentile
60,000 Median Mileage
84,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
35
AIR BAGS
17
ENGINE
12
POWER TRAIN
9
EXTERIOR LIGHTING
9
UNKNOWN OR OTHER
6
FUEL/PROPULSION SYSTEM
5
SERVICE BRAKES
4
SEATS
4
STEERING
3

Severity Assessment

1
Crashes
5
Fires
2
Injuries
0
Deaths

Sample Complaint Reports

"THE NEW MINI COOPER THAT I LEASED STARTED TO HAVE ACCELERATION PROBLEMS AROUND 6500 MILES. WHAT HAPPENS IS A HESITATION IN THE ACCELERATION OF THE MINI FROM A START OR AT LOW RPMS. FOR EXAMPLE WHEN YOU'RE AT A STOP AND YOU ARE TRYING TO CROSS TRAFFIC THE HESITATION OF THE ACCELERATION IS DANGEROUS..."
"THE NEW MINI COOPER THAT I LEASED STARTED TO HAVE ACCELERATION PROBLEMS AROUND 6500 MILES. WHAT HAPPENS IS A HESITATION IN THE ACCELERATION OF THE MINI FROM A START OR AT LOW RPMS. FOR EXAMPLE WHEN YOU'RE AT A STOP AND YOU ARE TRYING TO CROSS TRAFFIC THE HESITATION OF THE ACCELERATION IS DANGEROUS..."
"2011 MINI COOPER. CONSUMER STATES VEHICLE BROKE DOWN WHILE TRAVELING *TGW THE CONSUMER STATED THE ENGINE FAILED WHICH CAUSED OIL TO LEAK UNDER THE HOOD. BMW REFUSED ANY ASSISTANCE ON THE GROUNDS THE VEHICLE HAD AN OVER REV-MISSED SHIFT THAT WAS AN AFTER MARKET PART THE CONSUMER HAD INSTALLED. AN IN..."

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