CarCostCheck

MINI MINI (2018)

Running costs, common problems, and reliability data based on 33 real MOT tests in 2024.

MOT Pass Rate

97%

Total Tests (2024)

33

Avg Mileage

48,132 mi

Est. Annual Cost

£1,582

Is the 2018 MINI MINI reliable?

Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the MINI brand average of 84%.

At 6 years old, 97% of MINI MINIs from 2018 passed their MOT first time in 2024. That's based on 33 tests across the UK. The average mileage at this age is 48,132 miles.

How does the 2018 MINI MINI compare?

Rank among all 2018 cars77th out of 649(top 12%)
Rank among all MINI models8th out of 341(top 2%)
vs national average+15% (82% avg)
vs 2018 cars average+8% (89% avg)
vs MINI average+13% (84% avg)

Mileage Analysis

The average 2018 MINI MINI has 48,132 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 MINI?

The most reliable year is the 2014 model with a 88% MOT pass rate, while the 2001 model has the lowest at 69%. The 2018 sits between the two at 97%.

How much does a 2018 MINI MINI cost to run?

Fuel (Petrol, 1499cc)
£1,137
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£1,582
Per month£132/mo

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

MINI MINI by Year

YearPass RateTestsAvg Mileage
201897%3348,132 mi
201793%4248,635 mi
201693%4059,235 mi
201594%3370,246 mi
201488%1,06767,660 mi
201386%38,36676,296 mi
201285%42,73678,383 mi
201182%49,88183,358 mi
201080%59,21885,987 mi
200975%57,82589,580 mi
200874%54,73095,610 mi
200773%53,76393,859 mi
200672%43,11796,085 mi
200571%45,707100,056 mi
200471%36,444103,379 mi
200372%25,713107,167 mi
200278%22,736107,149 mi
200169%3,789108,838 mi

Checking a specific MINI MINI?

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About the 2018 MINI MINI

The 2018 MINI MINI is a small family car with a 1499cc petrol engine. 33 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 12% of all 2018 cars for reliability.

With an average of 48,132 miles at 6 years old, MINI MINI owners drive about as much as the UK average.

2018 MINI MINI Fuel Costs

The 1499cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2018 MINI MINI?

Total estimated annual running cost is £1,582 132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

MINI MINI Reliability Trend

Newer MINI MINIs show better MOT pass rates than older ones, with an average improvement of 9 percentage points.

Buying a Used 2018 MINI MINI

At 6 years old, the MINI MINI 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 2014 model has the highest pass rate at 88%. Note: with only 33 tests in our data, these figures should be treated as indicative rather than definitive.

Alternatives to the 2018 MINI MINI

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