MINI Roadster (2015)

Estimated running costs and MOT pass rates from 2,107 MOT tests in 2024.

Annual Cost

£2,077

£173/month

MOT Pass Rate

88%

Good

Road Tax

£275

Estimated/year

Est. Insurance

Grp 18-32

1995cc Diesel

Solid Option

88% pass rate, £2,077/year to run. 6 points above average.

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Diesel1995cc11 years old2,107 tests51k miles avg

Annual Running Costs

Fuel (Diesel, 1995cc)

~48 mpg

£1,397

Road Tax

Estimated CO2 band

£275

MOT Test

£55

Predicted Repairs

£350

Total per year£2,077

Per month£173/mo

Per week£40/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

88% MOT pass rate(Good)

0%All-model avg: 82%100%

Good reliability. Occasional issues but generally solid. That's 6 points above the average of 82% across all models in our data. It also outperforms the MINI brand average of 84%.

88% of MOT tests on MINI Roadsters from 2015 ended in a pass in 2024, when they were about 9 years old. That's based on 2,107 tests across the UK, retests included. The average mileage recorded at those tests was 50,877 miles.

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How Does It Compare?

Rank among 2015 models195th of 515(top half)

Rank among MINI models121st of 335(top half)

vs average of all models+6%(82% avg)

vs 2015 models average+5%(83% avg)

vs MINI average+4%(84% avg)

Mileage Analysis

50,877

Average miles

66,600

Expected for age

The average 2015 MINI Roadster had 50,877 miles on the clock at its 2024 MOT, which is below the expected 66,600 miles for a 9-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?

Of the years with at least 100 tests, the 2014 model has the highest MOT pass rate at 89%, while the 2015 model has the lowest at 88%. 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 Roadster by Year

Year	Pass Rate	Tests	Avg Mileage
2016	93%	43	55,326 mi
2015	88%	2,107	50,877 mi
2014	89%	2,497	55,627 mi
2013	89%	704	59,597 mi
2012	89%	97	62,771 mi

Similar Cars to Consider

Volkswagen Golf

2017 · 1598cc Diesel

£1,674/year

91%

+3%

Vauxhall Astra

2013 · 1700cc Diesel

£2,227/year

79%

-9%

Audi A3

2015 · 1598cc Diesel

£1,794/year

88%

same

BMW 3 Series

2013 · 1995cc Diesel

£2,077/year

85%

-3%

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About the 2015 MINI Roadster

The 2015 MINI Roadster is a family car. Our records list a 1995cc diesel engine, though engines vary between versions. 2,107 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. Among all models from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.

With an average of 50,877 miles recorded at its 2024 MOT tests, MINI Roadster owners tend to use this car less than the typical driver.

2015 MINI Roadster Fuel Costs

The 1995cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,397 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 2015 MINI Roadster?

Total estimated annual running cost is £2,077 (£173/month), broken down as £1,397 fuel, £275 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.

MINI Roadster Reliability Trend

The MINI Roadster has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.

Buying a Used 2015 MINI Roadster

At 11 years old, the MINI Roadster 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.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

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 2015 MINI Roadster 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 Roadster(2015)	88%	£1,397	£275	Grp 18-32	£2,077
Volkswagen Golf(2017)	91%	£1,219	£200	Grp 12-25	£1,674-£403
Vauxhall Astra(2013)	79%	£1,397	£275	Grp 18-32	£2,227+£150
Audi A3(2015)	88%	£1,219	£170	Grp 12-25	£1,794-£283
BMW 3 Series(2013)	85%	£1,397	£275	Grp 18-32	£2,077same

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 2015 MINI Roadster

Is the 2015 MINI Roadster reliable?

Good reliability. Occasional issues but generally solid. 88% of MOT tests on 2015 MINI Roadsters ended in a pass, from 2,107 tests (DVSA MOT data for tests in 2024, retests included). That's 6 points above the average of 82% across all models in the same data.

How much does a 2015 MINI Roadster cost to run?

Our estimate is £2,077 a year (£173 a month): £1,397 fuel, £275 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 2015 MINI Roadster?

88% of 2,107 MOT tests on the 2015 MINI Roadster ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 195th of 515 models first registered in 2015 (top half).

Which year MINI Roadster has the best MOT pass rate?

Of the years with at least 100 tests, the 2014 MINI Roadster has the highest MOT pass rate at 89% and the 2015 the lowest at 88%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2015 MINI Roadster?

The average mileage recorded at MOT tests on the 2015 MINI Roadster is 50,877 miles, which is below the expected 66,600 miles for a 9-year-old car. This suggests lighter use than average, which generally means less wear on major components.