Is the 2018 MINI GT reliable?

Excellent reliability. Very few MOT failures. 93% of MINI GTs from 2018 passed their MOT first time in 2026, based on 665 tests. That's 11 points above the national average of 82%.

How much does a 2018 MINI GT cost to run?

Estimated annual running cost is £1,587 (£132/month), including £1137 fuel, £195 road tax, £55 MOT, and £200 predicted repairs.

What is the MOT pass rate for a 2018 MINI GT?

The 2018 MINI GT has a 93% MOT pass rate based on 665 tests in 2026. This ranks 190 out of 649 cars from 2018.

Which year MINI GT is most reliable?

The 2017 MINI GT has the highest MOT pass rate at 93%. The least reliable year is 2018 at 93%.

MINI GT (2018)

Q: What is the average mileage for a 2018 MINI GT?

The average mileage for a 2018 MINI GT is 40,131 miles, which is below the expected 59,200 miles for a 8-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Running costs, reliability data, and common problems from 665 real MOT tests.

Annual Cost

£1,587

£132/month

MOT Pass Rate

93%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 12-25

1499cc Petrol

Great Choice

93% pass rate, £1587/year to run. 11 points above average.

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Petrol1499cc8 years old665 tests40k miles avg

Annual Running Costs

Fuel (Petrol, 1499cc)

~42 mpg

£1,137

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£1,587

Per month£132/mo

Per week£31/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

93% MOT pass rate(Excellent)

0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the MINI brand average of 84%.

At 8 years old, 93% of MINI GTs from 2018 passed their MOT first time in 2026. That's based on 665 tests across the UK. The average mileage at this age is 40,131 miles.

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How Does It Compare?

Rank among 2018 cars190th of 649(top 29%)

Rank among MINI models42th of 341(top 12%)

vs national average+11%(82% avg)

vs 2018 cars average+4%(89% avg)

vs MINI average+9%(84% avg)

Mileage Analysis

40,131

Average miles

59,200

Expected for age

The average 2018 MINI GT has 40,131 miles on the clock, which is below the expected 59,200 miles for a 8-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 2017 model with a 93% MOT pass rate, while the 2018 model has the lowest at 93%. Consider a different year if reliability is a priority.

MINI GT by Year

Year	Pass Rate	Tests	Avg Mileage
2018	93%	665	40,131 mi
2017	93%	765	45,905 mi

Similar Cars to Consider

VAUXHALL CORSA

2016 · 1398cc Petrol

£1,572/year

81%

-12%

FORD FOCUS

2016 · 1596cc Petrol

£1,677/year

87%

-6%

NISSAN QASHQAI

2017 · 1200cc Petrol

£1,550/year

86%

-7%

VAUXHALL ASTRA

2016 · 999cc Petrol

£1,390/year

85%

-8%

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About the 2018 MINI GT

The 2018 MINI GT is a small family car with a 1499cc petrol engine. 665 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.

With an average of 40,131 miles at 8 years old, MINI GT owners tend to use this car less than the typical driver.

2018 MINI GT 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 GT?

Total estimated annual running cost is £1,587 (£132/month), broken down as £1137 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Buying a Used 2018 MINI GT

At 8 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage.

Common Issues to Watch For

Based on the 2018 MINI GT's fuel type, age, and engine size, these are the most likely problem areas to check.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

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 2018 MINI GT stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
MINI GT(2018)	93%	£1137	£195	Grp 12-25	£1587
VAUXHALL CORSA(2016)	81%	£1137	£30	Grp 8-20	£1572-£15
FORD FOCUS(2016)	87%	£1137	£135	Grp 12-25	£1677+£90
NISSAN QASHQAI(2017)	86%	£955	£190	Grp 5-15	£1550-£37
VAUXHALL ASTRA(2016)	85%	£955	£30	Grp 1-8	£1390-£197

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.