Mini Cooper S (2012)

1,309 real MOT outcomes analysed • 83.3% first-time pass rate

2012 Mini Cooper S

CarHunch analysed 1,309 real MOT records for the 2012 Mini Cooper S. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

The 2012 MINI Cooper S passes its MOT slightly above the UK average at 83.3%, which is reassuring—but the 32.3% dangerous defect rate is a serious red flag that suggests electrical, brake, or suspension issues crop up regularly in this cohort. For a 12-year-old car, the median mileage of 46,400 is reasonable and not excessively worn, though the average of 1.98 failures per test indicates these cars do develop faults that need fixing between passes.

The 11.3 advisories per vehicle suggest ongoing wear typical of the age and marque, but the high proportion of cars ever experiencing a dangerous defect means you should budget for potential safety-critical repairs and have any purchase inspected by a specialist who knows the Cooper S's weak spots. Before committing, request the full MOT history and get a pre-purchase inspection focused on braking, electrical systems, and suspension components.

Below average reliability 3.3% above UK average
83.3%
pass MOT first time
UK average: ~80%
46,439
typical mileage
34,360–58,866 middle half
32.3%
ever had a dangerous defect
recorded at any MOT
1.98
avg MOT failures per car
over 12 tests on record

What to check before buying a 2012 Mini Cooper S

Practical pre-purchase checks for this age and model.

  • 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
  • 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
  • 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
  • ⚠️ 32.3% of these vehicles have had a dangerous defect recorded. Enter the reg below — the full MOT history will show exactly what was flagged and whether it was resolved.
  • 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Mini Cooper S

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

Inspection ClickMechanic Have a qualified mechanic check this car before you commit to buying

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Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (94%) 1,227 83.1% 2.01
Diesel (4%) 47 84.2% 2.04
Other (3%) 33 89.6% 0.67
Electric (0%) 2 100% 0

Mileage Distribution

Most 2012 Mini Cooper S vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

34,360
low mileage
46,439
typical
58,866
high mileage

Half of all 2012 Mini Cooper S vehicles fall between 34,360 and 58,866 miles.

2012 Mini Cooper S — Still on the Road

Strong survival — 1,133 vehicles still getting MOTs in 2025, 96% of the peak.

1,127 1,133 2015 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2015–2025.

MOT History Averages

12
Avg MOT tests per vehicle
1.98
Avg failures per vehicle
11.3
Avg advisories per vehicle

Found a specific Mini Cooper S?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK

Other model years — Mini Cooper S:

2003 2004 2005 2006 2007 2008 2009 2010 2011 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023