CarCostCheck

MINI COUNTRYMAN (2018)

Running costs, common problems, and reliability data based on 24,915 real MOT tests in 2024.

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MOT Pass Rate

92%

Total Tests (2024)

24,915

Avg Mileage

43,233 mi

Est. Annual Cost

£1,482

Is the 2018 MINI COUNTRYMAN reliable?

Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the MINI brand average of 84%.

At 6 years old, 92% of MINI COUNTRYMANs from 2018 passed their MOT first time in 2024. That's based on 24,915 tests across the UK. The average mileage at this age is 43,233 miles.

How does the 2018 MINI COUNTRYMAN compare?

Rank among all 2018 cars215th out of 649(top 33%)
Rank among all MINI models52th out of 341(top 15%)
vs national average+10% (82% avg)
vs 2018 cars average+3% (89% avg)
vs MINI average+8% (84% avg)

Mileage Analysis

The average 2018 MINI COUNTRYMAN has 43,233 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.

Best year to buy a MINI COUNTRYMAN?

The most reliable year is the 2022 model with a 96% MOT pass rate, while the 2011 model has the lowest at 80%. The 2018 sits between the two at 92%.

How much does a 2018 MINI COUNTRYMAN cost to run?

⛽Fuel (Diesel, 1995cc)
£1,037
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,482
Per month£124/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

MINI COUNTRYMAN by Year

YearPass RateTestsAvg Mileage
202296%88918,725 mi
202193%13,91822,319 mi
202093%15,28827,202 mi
201993%25,25433,911 mi
201892%24,91543,233 mi
201792%20,25649,575 mi
201691%16,69353,907 mi
201589%16,89261,874 mi
201489%24,20969,214 mi
201387%5,17574,494 mi
201286%1,34081,209 mi
201180%1,17491,168 mi
201089%17786,933 mi
200894%34100,473 mi

Checking a specific MINI COUNTRYMAN?

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About the 2018 MINI COUNTRYMAN

The 2018 MINI COUNTRYMAN is a family car with a 1995cc diesel engine. 24,915 of these vehicles were MOT tested in 2024, making it one of the most commonly tested cars on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.

With an average of 43,233 miles at 6 years old, MINI COUNTRYMAN owners drive about as much as the UK average.

2018 MINI COUNTRYMAN 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 £1,037 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 2018 MINI COUNTRYMAN?

Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

MINI COUNTRYMAN Reliability Trend

Newer MINI COUNTRYMANs show better MOT pass rates than older ones, with an average improvement of 6 percentage points.

Buying a Used 2018 MINI COUNTRYMAN

At 6 years old, the MINI COUNTRYMAN offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2022 model has the highest pass rate at 96%. With 24,915 MOT tests in our data, there's strong statistical confidence in these figures.

Alternatives to the 2018 MINI COUNTRYMAN

The MINI COUNTRYMAN is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines: