2021 Vauxhall Astra · 2,072 MOT tests
2021 Vauxhall Astra reliability
2021 Vauxhall Astras fail 11.4% of first MOT tests, 6% fewer MOT fails than the average car its age and mileage, ranking 1 of 25 Astra years (2,072 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Vauxhall Astras: 34.5%)
- 11.4%
- first-time fail rate (all Vauxhall Astras: 34.5%)
- fails than cars of the same age and mileage
- 6% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 3
- 27,474
- typical miles at its MOT, aged about 3
- MOT tests, 2022 to 2024
- 2,072
- MOT tests, 2022 to 2024
Year on year
2021 against the years either side
- 2020 cars: 6% more MOT fails than the average car its age (the 2021 car does better)
- Weak spot: exhaust, emissions and leaks, 1.8% of tests fail here (212% above cars of the same age and mileage).
- Strong point: windscreen, wipers and mirrors, 58% fewer fails than comparable cars.
- Plates: a 2021 car carries a 70 plate (January–February 2021), or a 21 plate (March–August 2021), or a 71 plate (September–December 2021).
Common problems
What fails on a 2021 Vauxhall Astra
Fail rate by area
- Tyres4.9%
- Brakes3%
- Exhaust, emissions and leaks1.8%
- Lights and electrics1.8%
- Windscreen, wipers and mirrors1.4%
- Wheels0.4%
- Body, chassis and structure0.4%
Average for cars of the same age and mileage
Top failures
Engine warning light inoperative or lit 1.11%
An engine warning light that is lit or not working can hide faults, so diagnosis is needed before buying.
Brake pads worn below 1.5mm 1.11%
Pads worn below 1.5mm lose stopping power and can damage discs, so replacement is needed before the car is driven.
Tyre pressure monitoring system faulty 0.97%
A faulty tyre pressure monitor cannot warn about low tyre pressure, so check tyres manually and have the fault diagnosed.
Tyre cut reaching ply or cords 0.97%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre tread below 1.6mm 0.68%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Windscreen washers not working 0.53%
Without working washers the windscreen cannot be cleaned while driving, which is a safety risk in dirty weather.
Common advisories
Brake pads wearing thin (5.98%) · Tyre worn close to legal limit (5.16%) · Tyre has a shallow cut (1.74%) · Brake discs showing some wear (1.69%) · Tyre slightly damaged or cracking (1.69%) · Brake disc pitted or scored (1.59%)
Other years
Every Vauxhall Astra year
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Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2021 Vauxhall Astra reliable?
2021 Vauxhall Astras fail 11.4% of first MOT tests, 6% fewer MOT fails than the average car its age and mileage, ranking 1 of 25 Astra years (2,072 DVSA tests, 2022 to 2024).
What fails on a 2021 Vauxhall Astra MOT?
Most often engine warning light inoperative or lit (1.11% of tests), brake pads worn below 1.5mm (1.11% of tests), tyre pressure monitoring system faulty (0.97% of tests).
How many miles should a 2021 Vauxhall Astra have done?
At its MOT aged about 3, a typical 2021 Vauxhall Astra shows 27,474 miles. Much higher or lower is worth asking about.
What plate is a 2021 car?
A car first registered in 2021 carries a 70 plate (January–February 2021), or a 21 plate (March–August 2021), or a 71 plate (September–December 2021).
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