2018 Audi A6 · 30,865 MOT tests
2018 Audi A6 reliability
2018 Audi A6s fail 10.3% of first MOT tests, 40% fewer MOT fails than the average car its age and mileage, ranking 8 of 20 A6 years (30,865 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Audi A6s: 20.1%)
- 10.3%
- first-time fail rate (all Audi A6s: 20.1%)
- fails than cars of the same age and mileage
- 40% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 49,648
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 30,865
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 42% fewer MOT fails than the average car its age (the 2018 car does worse)
- 2019 cars: 39% fewer MOT fails than the average car its age (the 2018 car does better)
- Strong point: windscreen, wipers and mirrors, 71% fewer fails than comparable cars.
- Plates: a 2018 car carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Common problems
What fails on a 2018 Audi A6
Fail rate by area
- Tyres5.4%
- Lights and electrics1.4%
- Brakes1.3%
- Exhaust, emissions and leaks1%
- Windscreen, wipers and mirrors1%
- Suspension0.8%
- Number plates and VIN0.4%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 1.73%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 1.27%
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 0.96%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Brake pads worn below 1.5mm 0.58%
Pads worn below 1.5mm lose stopping power and can damage discs, so replacement is needed before the car is driven.
Tyre bulge from structural failure 0.49%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Diesel engine warning light faulty 0.45%
A lit or non-working engine warning light can hide faults, so diagnosis is needed before buying.
Common advisories
Tyre worn close to legal limit (12.31%) · Brake pads wearing thin (6.51%) · Child seat limits belt inspection (2.31%) · Tyre slightly damaged or cracking (2.13%) · Brake disc pitted or scored (2.02%) · Tyre worn close to legal limit (1.78%)
Other years
Every Audi A6 year
The full picture: Audi A6 reliability. Before you pay for any Audi A6, 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 2018 Audi A6 reliable?
2018 Audi A6s fail 10.3% of first MOT tests, 40% fewer MOT fails than the average car its age and mileage, ranking 8 of 20 A6 years (30,865 DVSA tests, 2022 to 2024).
What fails on a 2018 Audi A6 MOT?
Most often tyre tread below 1.6mm (1.73% of tests), tyre cut reaching ply or cords (1.27% of tests), tyre ply or cords exposed (0.96% of tests).
How many miles should a 2018 Audi A6 have done?
At its MOT aged about 5, a typical 2018 Audi A6 shows 49,648 miles. Much higher or lower is worth asking about.
What plate is a 2018 car?
A car first registered in 2018 carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
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