MINI UNCLASSIFIED (2012)
Running costs, reliability data, and common problems from 141 real MOT tests.
Annual Cost
£1,475
£123/month
MOT Pass Rate
86%
Good
Road Tax
£165
Based on CC/year
Insurance
Grp 12-25
1598cc Diesel
Solid Option
86% pass rate, £1475/year to run. Close to the national average.
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Annual Running Costs
~55 mpg
Based on 1598cc
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 14 years old, 86% of MINI UNCLASSIFIEDs from 2012 passed their MOT first time in 2026. That's based on 141 tests across the UK. The average mileage at this age is 78,065 miles.
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How Does It Compare?
Mileage Analysis
78,065
Average miles
103,600
Expected for age
The average 2012 MINI UNCLASSIFIED has 78,065 miles on the clock, which is below the expected 103,600 miles for a 14-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2016 model with a 91% MOT pass rate, while the 2011 model has the lowest at 83%. The 2012 sits between the two at 86%.
MINI UNCLASSIFIED by Year
Similar Cars to Consider
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About the 2012 MINI UNCLASSIFIED
The 2012 MINI UNCLASSIFIED is a small family car with a 1598cc diesel engine. 141 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2012, the average MOT pass rate is 78%, and this model beats that benchmark.
With an average of 78,065 miles at 14 years old, MINI UNCLASSIFIED owners tend to use this car less than the typical driver.
2012 MINI UNCLASSIFIED Fuel Costs
The 1598cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2012 MINI UNCLASSIFIED?
Total estimated annual running cost is £1,475 (£123/month), broken down as £905 fuel, £165 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.
MINI UNCLASSIFIED Reliability Trend
Newer MINI UNCLASSIFIEDs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 2012 MINI UNCLASSIFIED
At 14 years old, the MINI UNCLASSIFIED is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2016 model has the highest pass rate at 91%.
Common Issues to Watch For
Based on the 2012 MINI UNCLASSIFIED's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Watch outDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2012 MINI UNCLASSIFIED stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| MINI UNCLASSIFIED(2012) | 86% | £905 | £165 | Grp 12-25 | £1475 |
| FORD FIESTA(2013) | 77% | £905 | £30 | Grp 8-20 | £1490+£15 |
| VOLKSWAGEN GOLF(2014) | 87% | £905 | £135 | Grp 12-25 | £1445-£30 |
| VAUXHALL ASTRA(2013) | 79% | £1037 | £135 | Grp 18-32 | £1727+£252 |
| VOLKSWAGEN POLO(2014) | 80% | £905 | £30 | Grp 5-15 | £1340-£135 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
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