FaultScore

Worst years for a Mini Cooper S Convertible

Owners have filed 181 complaints about the Mini Cooper S Convertible with NHTSA across model years 2005 to 2012. More of them are about the airbags than anything else.

Avoid

2005 Mini Cooper S Convertible

72 complaints — the highest FaultScore of any year, mostly steering.

Cleanest on record

2009 Mini Cooper S Convertible

15 complaints — the lowest FaultScore of the graded years.

Every Mini Cooper S Convertible year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2012 3 0 0 Electrical System
2011 6 0 3 38,000 Electrical System
2010 C 12 0 1 30,000 Engine & Cooling
2009 A 15 0 0 47,000 Engine & Cooling
2008 C 12 0 1 30,000 Airbags
2007 8 0 1 26,750 Airbags
2006 C 53 0 2 59,000 Airbags
2005 D 72 0 4 67,437 Steering

What breaks on a Mini Cooper S Convertible

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Airbags 46 25.4%

Worst in 2006

Steering 46 25.4%

Worst in 2005

Engine & Cooling 24 13.3%

Worst in 2006

Transmission & Drivetrain 14 7.7%

Worst in 2005

Seats 12 6.6%

Worst in 2006

Electrical System 10 5.5%

Worst in 2011

Other & Unspecified 6 3.3%

Worst in 2010

Brakes 5 2.8%

Worst in 2006

Body & Structure 4 2.2%

Worst in 2005

Seat Belts 4 2.2%

Worst in 2006

Stability & Traction Control 3 1.7%

Worst in 2009

Fuel & Propulsion 2 1.1%

Worst in 2011

Equipment & Accessories 2 1.1%

Worst in 2006

Suspension 1 0.6%

Worst in 2008

Complaints filed over time

Every complaint about every Mini Cooper S Convertible, by the month it reached NHTSA.

Jun 2009 peak 8 Jun 2026

Compare the Mini Cooper S Convertible

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.