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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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Diesel1598cc14 years old141 tests78k miles avg

Annual Running Costs

Fuel (Diesel, 1598cc)

~55 mpg

£905
Road Tax

Based on 1598cc

£165
MOT Test
£55
Predicted Repairs
£350
Total per year£1,475
Per month£123/mo
Per week£28/wk

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

86% MOT pass rate(Good)
0%National avg: 82%100%

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?

Rank among 2012 cars234th of 685(top 34%)
Rank among MINI models166th of 341(top 49%)
vs national average+4%(82% avg)
vs 2012 cars average+8%(78% avg)
vs MINI average+2%(84% avg)

Mileage Analysis

78,065

Average miles

vs

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

YearPass RateTestsAvg Mileage
201788%3249,077 mi
201691%23958,244 mi
201584%41565,821 mi
201489%1,29872,887 mi
201286%14178,065 mi
201183%9090,587 mi

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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 out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Rust and Corrosion

Watch out

At 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 out

Rubber 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 risk

Always 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.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
MINI UNCLASSIFIED(2012)86%£905£165Grp 12-25£1475
FORD FIESTA(2013)77%£905£30Grp 8-20£1490+£15
VOLKSWAGEN GOLF(2014)87%£905£135Grp 12-25£1445-£30
VAUXHALL ASTRA(2013)79%£1037£135Grp 18-32£1727+£252
VOLKSWAGEN POLO(2014)80%£905£30Grp 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.

Related Mini Models

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