2014 MINI John Cooper Works — MOT failures & pass rate
The 2014 MINI John Cooper Works passed 87.0% of its 1,997 recorded MOT tests. Superminis of a similar age fail 19.4% of the time, so this is 6.5pp better than the group it competes with. Failures cluster in lighting & signalling, tyres and suspension.
What the MOT record shows
No single area dominates — lighting & signalling (5.8%) and tyres (4.9%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are wipers, shock absorbers and tread depth — wipers alone was recorded 49 times.
Condition tracks the odometer closely. Failures run at 9.4% in the 0-30k band and 22.0% in the 90-120k band, a 12.6-point spread — more than double.
Advisories point at the next bill rather than this one: tyres was flagged on 18.5% of tests without failing them.
The trend is worsening — 10.4% of tests failed in 2021 against 15.4% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 5.8% | 116 |
| 2 | Tyres | 4.9% | 97 |
| 3 | Suspension | 3.7% | 74 |
| 4 | Visibility | 3.2% | 64 |
| 5 | Brakes | 2.3% | 46 |
| 6 | Emissions & environmental | 1.5% | 30 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 49 |
| 2 | Shock absorbers | 48 |
| 3 | Tread depth | 46 |
| 4 | Headlamp aim | 44 |
| 5 | Position lamp | 43 |
| 6 | Stop lamp | 32 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 18.5% | 370 |
| 2 | Brakes | 17.3% | 346 |
| 3 | Suspension | 10.9% | 217 |
| 4 | Lighting & signalling | 7.1% | 142 |
| 5 | Visibility | 5.8% | 115 |
| 6 | Other defects | 4.8% | 96 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 373 | 9.4% |
| 30-60k | 1,016 | 12.5% |
| 60-90k | 485 | 14.6% |
| 90-120k | 109 | 22.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 393 | 10.4% |
| 2022 | 406 | 12.6% |
| 2023 | 395 | 11.9% |
| 2024 | 401 | 14.5% |
| 2025 | 402 | 15.4% |
What to check before buying a 2014 John Cooper Works
On a 2014 John Cooper Works, lighting & signalling is what the MOT record says goes wrong most — it appeared in 5.8% of tests. Check these areas before you commit.
- Lighting & signalling (5.8% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Tyres (4.9% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
- Suspension (3.7% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
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 2014 MINI John Cooper Workss pass their MOT?
87.0% of the 1,997 2014 MINI John Cooper Works MOT tests in this dataset passed — a 13.0% fail rate.
What is the most common MOT failure on a 2014 MINI John Cooper Works?
Lighting & signalling, recorded in 5.8% of tests, followed by tyres (4.9%).
Does the 2014 John Cooper Works get worse with mileage?
Its MOT fail rate rises from 9.4% in the 0-30k band to 22.0% in the 90-120k band.
Methodology & source. Based on 1,997 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.