"How reliable is the 2003 Mini Cooper?"

"Based on 388 NHTSA complaints, the 2003 Mini Cooper has a median complaint mileage of 72500 miles. The most common issue is STEERING."

"What are common problems with the 2003 Mini Cooper?"

"The most frequently reported component in NHTSA complaints for the 2003 Mini Cooper is STEERING, accounting for a significant portion of the 388 total complaints filed."

2003 Mini Cooper: Reliability Data

Source: NHTSA — 388 complaints

388

Total Complaints

72,500mi

Median Mileage

STEERING

Top Issue

Crash Reports

When Do Complaints Happen?

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

54,000 25th Percentile

72,500 Median Mileage

98,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STEERING

140

POWER TRAIN:AUTOMATIC TRANSMISSION

POWER TRAIN

ELECTRICAL SYSTEM

VISIBILITY:WINDSHIELD

STEERING:HYDRAULIC POWER ASSIST:PUMP

ENGINE AND ENGINE COOLING

ENGINE AND ENGINE COOLING:ENGINE

AIR BAGS

ENGINE

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"WE HAD A TIRE BLOWOUT WITH TREAD SEPARATION, AND LEARNED FROM THE DOT NUMBERS THAT THE TIRES ON OUR MOTORHOME CAME FROM THE SAME PLANT THAT THE RECALLED TIRES HAVE COME FROM, AND WE ARE VERY CONCERNED BECAUSE OF THE TREAD SEPARATION THAT THIS IS NOT AN ISOLATED INCIDENT, AND THAT IT MAY HAPPEN TO AN..."

"WHILE DRIVING 30 MPH OR LESS THE VEHICLE STALLED. *NLM"

"MINI COOPER 2003 STOP DEAD AT THE THE INTERSECTION FOR THE THIRD TIME.THE CAR WAS TOWED TO THE DEALER. *AK"

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