2019 Porsche 911 Carrera — MOT failures & pass rate
The 2019 Porsche 911 Carrera passed 94.8% of its 699 recorded MOT tests. Against all cars of a similar age (10.2% fail rate), the 2019 911 Carrera comes out 5.1pp better. Failures cluster in tyres, lighting & signalling and other defects.
What the MOT record shows
No single area dominates — tyres (3.6%) and lighting & signalling (0.9%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are headlamp aim, tread depth and registration plates — headlamp aim alone was recorded 8 times.
Tyres is the most common advisory, noted on 12.7% of tests — work that passed today but is likely due soon.
The trend is worsening — 3.9% of tests failed in 2022 against 6.7% in 2025, the usual pattern as a fleet ages.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Tyres | 3.6% | 25 |
| 2 | Lighting & signalling | 0.9% | 6 |
| 3 | Other defects | 0.4% | 3 |
| 4 | Brakes | 0.4% | 3 |
| 5 | Emissions & environmental | 0.4% | 3 |
| 6 | Seat belts & restraints | 0.4% | 3 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Headlamp aim | 8 |
| 2 | Tread depth | 8 |
| 3 | Registration plates | 5 |
| 4 | Catalyst emissions | 3 |
| 5 | Tyre pressure monitoring system | 3 |
| 6 | Electronic parking brake | 2 |
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 | 12.7% | 89 |
| 2 | Other defects | 3.9% | 27 |
| 3 | Emissions & environmental | 1.4% | 10 |
| 4 | Visibility | 1.1% | 8 |
| 5 | Brakes | 1.1% | 8 |
| 6 | Suspension | 0.6% | 4 |
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 | 610 | 4.6% |
| 30-60k | 83 | 9.6% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2022 | 155 | 3.9% |
| 2023 | 187 | 3.7% |
| 2024 | 177 | 6.2% |
| 2025 | 179 | 6.7% |
What to check before buying a 2019 911 Carrera
The failure pattern for this year is specific enough to inspect against: tyres accounted for 3.6% of tests. Start there.
- Tyres (3.6% 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.
- Lighting & signalling (0.9% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Other defects (0.4% of tests): Miscellaneous items not in the main categories. Typical repair: varies.
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 2019 Porsche 911 Carreras pass their MOT?
94.8% of the 699 2019 Porsche 911 Carrera MOT tests in this dataset passed — a 5.1% fail rate.
What is the most common MOT failure on a 2019 Porsche 911 Carrera?
Tyres, recorded in 3.6% of tests, followed by lighting & signalling (0.9%).
Does the 2019 911 Carrera get worse with mileage?
Its MOT fail rate rises from 4.6% in the 0-30k band to 9.6% in the 30-60k band.
Methodology & source. Based on 699 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.