MINI One D (2012)

Estimated running costs and MOT pass rates from 670 MOT tests in 2024.

Annual Cost

£1,794

£150/month

MOT Pass Rate

80%

Good

Road Tax

£170

Estimated/year

Est. Insurance

Grp 12-25

1600cc Diesel

Solid Option

80% pass rate, £1,794/year to run. Close to the average across all models.

Buying this car? Check for finance, write-offs & theft

£4.99

Check a specific MINI One D

Enter a reg plate for full MOT history, mileage check, health score, running costs, and reliability data. Free, instant, no signup.

Diesel1600cc14 years old670 tests96k miles avg

Annual Running Costs

Fuel (Diesel, 1600cc)

~55 mpg

£1,219

Road Tax

Estimated CO2 band

£170

MOT Test

£55

Predicted Repairs

£350

Total per year£1,794

Per month£150/mo

Per week£35/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included.

Reliability Verdict

80% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the average of 82% across all models in our data. It falls below the MINI brand average of 84%.

80% of MOT tests on MINI One Ds from 2012 ended in a pass in 2024, when they were about 12 years old. That's based on 670 tests across the UK, retests included. The average mileage recorded at those tests was 95,898 miles.

Got a MINI One D you're looking at?

Enter the reg plate to check its specific MOT history, mileage, and health score.

How Does It Compare?

Rank among 2012 models375th of 650(bottom half)

Rank among MINI models248th of 335(bottom half)

vs average of all models-2%(82% avg)

vs 2012 models average+2%(78% avg)

vs MINI average-4%(84% avg)

Mileage Analysis

95,898

Average miles

88,800

Expected for age

The average 2012 MINI One D had 95,898 miles on the clock at its 2024 MOT, which is in line with the expected 88,800 miles for a 12-year-old car, suggesting normal everyday use.

Looking at a specific MINI One D?

Enter its reg plate for a free check with full MOT history, mileage verification, and predicted costs.

Best Year to Buy?

Of the years with at least 100 tests, the 2010 model has the highest MOT pass rate at 83%, while the 2012 model has the lowest at 80%. Consider a different year if reliability is a priority. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

MINI One D by Year

Year	Pass Rate	Tests	Avg Mileage
2012	80%	670	95,898 mi
2011	81%	519	99,132 mi
2010	83%	127	99,179 mi

Similar Cars to Consider

Ford Fiesta

2013 · 1399cc Diesel

£1,944/year

77%

-3%

Volkswagen Golf

2014 · 1598cc Diesel

£1,794/year

87%

+7%

Vauxhall Astra

2013 · 1700cc Diesel

£2,227/year

79%

-1%

Volkswagen Polo

2014 · 1199cc Diesel

£1,644/year

80%

same

Check a Specific MINI One D

Enter a reg plate to get the full MOT history, health score, and mileage verification.

Upgrade to Premium (£4.99) for stolen, finance, and write-off checks.

About the 2012 MINI One D

The 2012 MINI One D is a small family car. Our records list a 1600cc diesel engine, though engines vary between versions. 670 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. Among all models from 2012, the average MOT pass rate is 78%, and this model beats that benchmark.

With an average of 95,898 miles recorded at its 2024 MOT tests, MINI One D owners drive about as much as the UK average.

2012 MINI One D Fuel Costs

The 1600cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £1,219 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; 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 One D?

Total estimated annual running cost is £1,794 (£150/month), broken down as £1,219 fuel, £170 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 80% pass rate. Keeping on top of servicing will help avoid surprises.

MINI One D Reliability Trend

The MINI One D has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.

Buying a Used 2012 MINI One D

At 14 years old, the MINI One D 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.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

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.

Clutch Wear

Medium risk

With an average of 96k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.

Brake Discs and Pads

Medium risk

High-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.

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 One D stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
MINI One D(2012)	80%	£1,219	£170	Grp 12-25	£1,794
Ford Fiesta(2013)	77%	£1,219	£170	Grp 8-20	£1,944+£150
Volkswagen Golf(2014)	87%	£1,219	£170	Grp 12-25	£1,794same
Vauxhall Astra(2013)	79%	£1,397	£275	Grp 18-32	£2,227+£433
Volkswagen Polo(2014)	80%	£1,219	£20	Grp 5-15	£1,644-£150

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2012 MINI One D

Is the 2012 MINI One D reliable?

Good reliability. Occasional issues but generally solid. 80% of MOT tests on 2012 MINI One Ds ended in a pass, from 670 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points below the average of 82% across all models in the same data.

How much does a 2012 MINI One D cost to run?

Our estimate is £1,794 a year (£150 a month): £1,219 fuel, £170 road tax, £55 MOT and £350 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2012 MINI One D?

80% of 670 MOT tests on the 2012 MINI One D ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 375th of 650 models first registered in 2012 (bottom half).

Which year MINI One D has the best MOT pass rate?

Of the years with at least 100 tests, the 2010 MINI One D has the highest MOT pass rate at 83% and the 2012 the lowest at 80%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2012 MINI One D?

The average mileage recorded at MOT tests on the 2012 MINI One D is 95,898 miles, which is in line with the expected 88,800 miles for a 12-year-old car, suggesting normal everyday use.