2018 Mini Gt — MOT failures & pass rate

Across 1,924 MOT tests analysed for the 2018 Mini Gt, the most common recorded failure areas were tyres, visibility and lighting & signalling. Its pass rate of 91.6% was above the average for cars of a similar age (89.1%). Higher-mileage examples failed more often — 11.3% in the 60-90k group versus 6.0% in the 0-30k group.

92%
Pass rate
1,924
MOT tests analysed
8.4%
Fail rate
better than
vs cars of similar age
4.9
Avg age at test (yrs)

How it compares

Fail rate vs benchmarks (lower is better) 2018 Gt 8.4% cars avg 10.9% National avg 10.9%
Fail rate for this model-year against the segment and national averages for cars of a similar age.

Top failure categories

Most common MOT failure areas — 2018 Mini Gt
# Category % of tests affected Tests
1 Tyres 4.4% 85
2 Visibility 3.7% 71
3 Lighting & signalling 2.4% 46
4 Brakes 1.4% 26
5 Emissions & environmental 0.7% 13
6 Other defects 0.4% 8
Share of tests failing on each category Tyres 4.4% Visibility 3.7% Lighting & signalling 2.4% Brakes 1.4% Emissions & environmental 0.7% Other defects 0.4%
Percentage of tests with at least one failure recorded in each category.

Most common specific failures

The exact components most often recorded as failures — more specific than the categories above.

Most frequently recorded failure items — 2018 Mini Gt
#Failure itemTimes recorded
1Wipers69
2Headlamp aim33
3Tread depth30
4Brake pads22
5Malfunction indicator lamp12
6Washers12

Top advisory categories

Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.

Most common MOT advisories — 2018 Mini Gt
# Category % of tests with advisory Tests
1 Tyres 22.4% 430
2 Brakes 7.5% 144
3 Visibility 4.8% 92
4 Other defects 4.3% 83
5 Road wheels 1.9% 37
6 Suspension 1.0% 19

Failure rate by mileage

Higher-mileage cars tend to fail more — often the most useful guide to real condition.

MOT fail rate by recorded mileage 0-30k 6.0% 30-60k 10.4% 60-90k 11.3%
MOT fail rate by recorded mileage band.
Fail rate by recorded mileage — 2018 Gt
Mileage band Tests Fail rate
0-30k 933 6.0%
30-60k 814 10.4%
60-90k 150 11.3%

Failure rate by age

MOT fail rate by vehicle age at test 3 yrs 5.9% 4 yrs 8.5% 5 yrs 9.2% 6 yrs 8.5% 7 yrs 10.0%
How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2018 Gt
Dataset year Tests Fail rate
2021 421 5.9%
2022 388 8.5%
2023 379 9.2%
2024 366 8.5%
2025 370 10.0%

What to check before buying a 2018 Gt

Before buying a 2018 Mini Gt, focus on the areas it most often fails on. Tyres accounted for 4.4% of tests for this year.

Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.

Frequently asked questions

How many 2018 Mini Gts pass their MOT?

91.6% of the 1,924 2018 Mini Gt MOT tests in this dataset passed — a 8.4% fail rate.

What is the most common MOT failure on a 2018 Mini Gt?

Tyres, recorded in 4.4% of tests, followed by visibility (3.7%).

Does the 2018 Gt get worse with mileage?

Its MOT fail rate rises from 6.0% in the 0-30k band to 11.3% in the 60-90k band.

Methodology & source. Based on 1,924 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.

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