Porsche: MOT pass rate and reliability
Porsche vehicles pass the MOT first time 88.7% of the time, measured across 177,539 DVSA tests. That is 11.7 points better than the 77% national average, ranking Porsche 5 of 51 major brands sold in the UK.
Every brand ranked
- Ferrari - 95.9%
- LEVC - 95.4%
- Aston Martin - 93.2%
- Bentley - 92.5%
- Porsche - 88.7%
- Lexus - 87.7%
- Tesla - 84.8%
- Maserati - 84.3%
- MG - 83.9%
- BMW - 82.5%
- Jaguar - 81.9%
- Abarth - 81.8%
- Audi - 81.6%
- MINI - 81.6%
- Toyota - 81.3%
- Land Rover - 80.6%
- Skoda - 80.6%
- Mercedes-Benz - 79.9%
- Suzuki - 79.5%
- Kia - 78.9%
- Hyundai - 78.8%
- SEAT - 78.7%
- Subaru - 78.6%
- Honda - 78.3%
- Dacia - 78.3%
- Volvo - 78.2%
- Jeep - 78%
- Smart (Mcc) - 77.7%
- Smart - 77.2%
- Volkswagen - 77.1%
- Mazda - 77%
- Mitsubishi - 76.9%
- DS - 76.2%
- London Taxis International - 75.5%
- Ford - 74.8%
- Isuzu - 73.7%
- Nissan - 73.4%
- Peugeot - 73.2%
- Fiat - 73%
- Ssangyong - 73%
- Vauxhall - 72.4%
- Alfa Romeo - 72.4%
- Citroen - 70.8%
- Iveco - 70.2%
- Rover - 70.2%
- Saab - 69.1%
- Renault - 68.1%
- Chrysler - 67.2%
- Daihatsu - 67.1%
- Chrysler-Jeep - 67%
- Chevrolet - 62.8%
Porsche models
- Porsche 911 - 89%, 46,890 tests
- Porsche Boxster - 84.2%, 32,366 tests
- Porsche Macan - 92.1%, 30,214 tests
- Porsche Cayenne - 86.4%, 29,305 tests
- Porsche Cayman - 89.9%, 14,032 tests
- Porsche Panamera - 87.8%, 6,608 tests
- Porsche Taycan 4s 93kwh - 90.8%, 2,316 tests
- Porsche 944 - 77.4%, 2,281 tests
- Porsche Taycan Turbo - 89.8%, 993 tests
- Porsche Taycan 4x2 - 89.5%, 953 tests
- Porsche Taycan 4s 79kwh - 88.6%, 660 tests
- Porsche Taycan Turbo S - 89.7%, 648 tests
- Porsche 911 Turbo S S-A - 94%, 554 tests
- Porsche 924 - 74.7%, 553 tests
- Porsche 968 - 84.9%, 517 tests
- Porsche 928 S - 81.5%, 513 tests
Most common MOT failures across every Porsche
Pooled across all Porsche models, not just one: what actually fails on a Porsche more than the UK average.
- Number plate does not conform to the specified requirements, 0.3% of tests (2.01x the national rate for this defect)
- Lambda coefficient outside the default limits or the range specified by the manufacturer, 0.6% of tests (1.41x the national rate for this defect)
- A tyre seriously damaged, 1.1% of tests
- Tyre tread depth not in accordance with the requirements, 0.9% of tests
- The aim of a headlamp is not within limits laid down in the requirements, 0.9% of tests
- A tyre cords visible or damaged, 0.6% of tests
- A spring or spring component fractured or seriously weakened, 0.6% of tests
- Brake pipe damaged or excessively corroded, 0.6% of tests
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.5% of tests
- A transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, 0.4% of tests
From 438,498 DVSA-tracked Porsche tests, 2024. DVSA testers marked 3.95% of these flagged defects as "dangerous", against 4.97% nationally.
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