Where in Britain does the Porsche Carrera fail its MOT most?
Across Britain, 17.1% of 5,274 initial MOT tests (first attempts) of the Porsche Carrera failed in 2019–2024. It fails most in Guildford (GU): 25.5% against 16.9% elsewhere (+8.6 points). It does best in Reading (RG), −7.1 points. Area rates are not age-adjusted.
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · Porsche Carrera MOT statistics · check a Porsche Carrera by registration
Porsche Carrera in every postcode area with 100+ tests
From the largest excess over the rest of Britain to the largest shortfall.
| Area | Failed here, % | Rest of Britain, % | Difference, points | 95% interval | Tests |
|---|---|---|---|---|---|
| Guildford (GU) | 25.5 | 16.9 | +8.6 | +1.4 to +15.9 | 141 (rough estimate) |
| Redhill (RH) | 22.8 | 17.0 | +5.8 | −1.5 to +13.2 | 127 (rough estimate) |
| Kingston upon Thames (KT) | 21.7 | 17.0 | +4.7 | −2.5 to +11.9 | 129 (rough estimate) |
| Gloucester (GL) | 17.6 | 17.1 | +0.5 | −7.0 to +8.0 | 102 (rough estimate) |
| Portsmouth (PO) | 15.5 | 17.2 | −1.6 | −8.7 to +5.4 | 103 (rough estimate) |
| Birmingham (B) | 14.4 | 17.2 | −2.8 | −8.9 to +3.3 | 132 (rough estimate) |
| Oxford (OX) | 14.1 | 17.2 | −3.2 | −9.4 to +3.1 | 121 (rough estimate) |
| Tonbridge (TN) | 12.8 | 17.3 | −4.4 | −9.5 to +0.6 | 179 (rough estimate) |
| Slough (SL) | 12.6 | 17.2 | −4.6 | −10.9 to +1.6 | 111 (rough estimate) |
| Reading (RG) | 10.5 | 17.6 | −7.1 | −10.6 to −3.6 | 325 (rough estimate) |
Source: DVSA MOT bulk data (OGL v3.0) · Window: 2019–2024 · n = 5,274 (initial tests) · Method: postcode area of the testing station against the same model's tests elsewhere in Britain, difference of two proportions with a 95% interval; named at 3+ points with the interval clear of zero; not age-adjusted · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV
Other pages for this model
Porsche Carrera body, chassis and structure failures · Porsche Carrera brakes failures · Porsche Carrera vehicle identification failures · Porsche Carrera lamps, reflectors and electrics failures · Porsche Carrera noise, emissions and leaks failures · Porsche Carrera seat belts and airbags failures · Porsche Carrera steering failures · Porsche Carrera suspension failures · Porsche Carrera tyres failures · Porsche Carrera visibility failures