2018 Toyota Gt86 — MOT failures & pass rate
2,420 MOT tests on the 2018 Toyota Gt86 are in this dataset, and 93.6% of them passed. Coupes & convertibles of a similar age fail 9.0% of the time, so this is 2.6pp better than the group it competes with. Failures cluster in tyres, visibility and lighting & signalling.
What the MOT record shows
No single area dominates — tyres (3.4%) and visibility (2.7%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are wipers, tread depth and catalyst emissions — wipers alone was recorded 70 times.
Mileage is the strongest signal on the record: 4.1% of 0-30k cars fail, rising to 9.5% once past 60-90k — 2.3× the risk.
Tyres is the most common advisory, noted on 15.8% of tests — work that passed today but is likely due soon.
The trend is worsening — 4.9% of tests failed in 2021 against 8.3% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 3.4% | 83 |
| 2 | Visibility | 2.7% | 66 |
| 3 | Lighting & signalling | 1.6% | 39 |
| 4 | Brakes | 1.3% | 31 |
| 5 | Emissions & environmental | 1.2% | 29 |
| 6 | Body, structure & corrosion | 0.4% | 9 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 70 |
| 2 | Tread depth | 54 |
| 3 | Catalyst emissions | 34 |
| 4 | Headlamp aim | 26 |
| 5 | Service brake performance | 23 |
| 6 | Tyre pressure monitoring system | 23 |
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 | 15.8% | 382 |
| 2 | Brakes | 9.3% | 225 |
| 3 | Visibility | 4.2% | 101 |
| 4 | Other defects | 2.5% | 60 |
| 5 | Lighting & signalling | 1.5% | 36 |
| 6 | Suspension | 1.0% | 25 |
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 | 1,406 | 4.1% |
| 30-60k | 890 | 9.6% |
| 60-90k | 116 | 9.5% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 494 | 4.9% |
| 2022 | 492 | 4.9% |
| 2023 | 497 | 7.4% |
| 2024 | 466 | 6.7% |
| 2025 | 471 | 8.3% |
What to check before buying a 2018 Gt86
The failure pattern for this year is specific enough to inspect against: tyres accounted for 3.4% of tests. Start there.
- Tyres (3.4% 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.
- Visibility (2.7% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
- Lighting & signalling (1.6% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
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 Toyota Gt86s pass their MOT?
93.6% of the 2,420 2018 Toyota Gt86 MOT tests in this dataset passed — a 6.4% fail rate.
What is the most common MOT failure on a 2018 Toyota Gt86?
Tyres, recorded in 3.4% of tests, followed by visibility (2.7%).
Does the 2018 Gt86 get worse with mileage?
Its MOT fail rate rises from 4.1% in the 0-30k band to 9.5% in the 60-90k band.
Methodology & source. Based on 2,420 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.