2020 Audi S4 · 1,895 MOT tests
2020 Audi S4 reliability
2020 Audi S4s fail 6.4% of first MOT tests, 56% fewer MOT fails than the average car its age and mileage, ranking 1 of 1 S4 years (1,895 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Audi S4s: 15.6%)
- 6.4%
- first-time fail rate (all Audi S4s: 15.6%)
- fails than cars of the same age and mileage
- 56% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 3
- 38,272
- typical miles at its MOT, aged about 3
- MOT tests, 2022 to 2024
- 1,895
- MOT tests, 2022 to 2024
Year on year
2020 against the years either side
- 2019 cars: 50% fewer MOT fails than the average car its age (the 2020 car does better)
- Strong point: lights and electrics, 67% 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 Audi S4
Fail rate by area
- Tyres2.7%
- Lights and electrics1.2%
- Brakes1%
- Exhaust, emissions and leaks0.6%
- Number plates and VIN0.5%
- Windscreen, wipers and mirrors0.2%
- Seat belts and airbags0.2%
Average for cars of the same age and mileage
Top failures
Tyre cut reaching ply or cords 0.79%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre ply or cords exposed 0.58%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre tread below 1.6mm 0.32%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Headlamp aim set too high 0.32%
Headlamps aimed too high can dazzle other drivers, and adjusting them is usually a quick job.
Diesel engine warning light faulty 0.26%
A lit or non-working engine warning light can hide faults, so diagnosis is needed before buying.
Number plate does not meet standards 0.26%
The plate does not meet legal specifications, so it must be replaced with a compliant one before the car is driven.
Common advisories
Tyre worn close to legal limit (5.7%) · Brake pads wearing thin (2.37%) · Brake disc pitted or scored (1.79%) · Spring mounting corroded, not weakened (1.48%) · Child seat limits belt inspection (1%) · Nail in tyre, monitor (1%)
Other years
Every Audi S4 year
The full picture: Audi S4 reliability. Before you pay for any Audi S4, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2020 Audi S4 reliable?
2020 Audi S4s fail 6.4% of first MOT tests, 56% fewer MOT fails than the average car its age and mileage, ranking 1 of 1 S4 years (1,895 DVSA tests, 2022 to 2024).
What fails on a 2020 Audi S4 MOT?
Most often tyre cut reaching ply or cords (0.79% of tests), tyre ply or cords exposed (0.58% of tests), tyre tread below 1.6mm (0.32% of tests).
How many miles should a 2020 Audi S4 have done?
At its MOT aged about 3, a typical 2020 Audi S4 shows 38,272 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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