2020 Porsche Boxster · 1,368 MOT tests
2020 Porsche Boxster reliability
2020 Porsche Boxsters fail 3.7% of first MOT tests, 62% fewer MOT fails than the average car its age and mileage, ranking 10 of 23 Boxster years (1,368 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Porsche Boxsters: 16.4%)
- 3.7%
- first-time fail rate (all Porsche Boxsters: 16.4%)
- fails than cars of the same age and mileage
- 62% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 3
- 15,367
- typical miles at its MOT, aged about 3
- MOT tests, 2022 to 2024
- 1,368
- MOT tests, 2022 to 2024
Year on year
2020 against the years either side
- 2019 cars: 61% fewer MOT fails than the average car its age (the 2020 car does better)
- 2021 cars: 66% fewer MOT fails than the average car its age (the 2020 car does worse)
- Strong point: tyres, 48% fewer fails than comparable cars.
- Plates: a 2020 car carries a 69 plate (January–February 2020), or a 20 plate (March–August 2020), or a 70 plate (September–December 2020).
Common problems
What fails on a 2020 Porsche Boxster
Fail rate by area
- Tyres1.7%
- Lights and electrics0.7%
- Windscreen, wipers and mirrors0.4%
- Number plates and VIN0.4%
- Exhaust, emissions and leaks0.3%
- Brakes0.2%
- Seat belts and airbags0.1%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 0.66%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre bulge from structural failure 0.37%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Tyre lump from structural separation 0.22%
A tyre lump means its structure has partly failed and it could burst, so replace it immediately.
Tyre cut reaching ply or cords 0.15%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Windscreen washers not working 0.15%
Without working washers the windscreen cannot be cleaned while driving, which is a safety risk in dirty weather.
Headlamp aim set too low 0.15%
Headlamps aimed too low light the road poorly and reduce the driver's view ahead, especially at night.
Common advisories
Tyre worn close to legal limit (3%) · Tyre slightly damaged or cracking (2.05%) · Nail in tyre, monitor (1.1%) · Tyre has a shallow cut (0.37%) · Brake pads wearing thin (0.37%) · Tyre worn close to legal limit (0.29%)
Other years
Every Porsche Boxster year
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Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2020 Porsche Boxster reliable?
2020 Porsche Boxsters fail 3.7% of first MOT tests, 62% fewer MOT fails than the average car its age and mileage, ranking 10 of 23 Boxster years (1,368 DVSA tests, 2022 to 2024).
What fails on a 2020 Porsche Boxster MOT?
Most often tyre tread below 1.6mm (0.66% of tests), tyre bulge from structural failure (0.37% of tests), tyre lump from structural separation (0.22% of tests).
How many miles should a 2020 Porsche Boxster have done?
At its MOT aged about 3, a typical 2020 Porsche Boxster shows 15,367 miles. Much higher or lower is worth asking about.
What plate is a 2020 car?
A car first registered in 2020 carries a 69 plate (January–February 2020), or a 20 plate (March–August 2020), or a 70 plate (September–December 2020).
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