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MOT reliability

Audi S4 tdi quattro auto

361 vehicles · 1,360 completed MOT tests analysed
91%
MOT pass rate

Based on 361 Audi S4 tdi quattro auto vehicles and 1,360 completed MOT tests, the Audi S4 tdi quattro auto has an overall 91% pass rate, with an average recorded mileage of 54,599 miles.

361
Vehicles
1,360
MOT tests
9,577
Avg miles / year
0.9
Faults per test
5%
Dangerous-fault share

Audi S4 tdi quattro auto problem areas

Where faults occur most across all Audi S4 tdi quattro auto MOT tests:

  • Tyres, wheels & suspension56%
  • Brakes23%
  • Other13%
  • Visibility5%
  • Lamps & electrical2%
  • Identification & plates2%
  • Emissions & nuisance1%
  • Body & structure0%

Audi S4 tdi quattro auto pass rate by age

How the Audi S4 tdi quattro auto's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
21283%
335990%
434891%
534293%
623690%
73288%

Fuel types: Diesel (360), Gas Bi-Fuel (1)

Most common Audi S4 tdi quattro auto MOT faults

These are the faults and advisories recorded most often across Audi S4 tdi quattro auto MOT tests:

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (55 times)
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (49 times)
  3. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (43 times)
  4. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (42 times)
  5. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii)) (37 times)
  6. Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (37 times)
  7. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (24 times)
  8. Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (24 times)
  9. Nearside Rear Child Seat fitted not allowing full inspection of adult belt (23 times)
  10. Nearside Rear Nail in tyre (15 times)
  11. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (15 times)
  12. Offside Rear Lower Coil spring mounting corroded but not seriously weakened (5.3.1 (b) (i)) (15 times)
  13. Offside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (12 times)
  14. Offside Rear Child Seat fitted not allowing full inspection of adult belt (12 times)
  15. Nearside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (12 times)

Audi S4 tdi quattro auto pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2021 11 33 91% 49,323
2020 210 809 91% 54,603
2019 108 487 91% 55,248

Audi S4 tdi quattro auto reliability FAQ

Across 361 Audi S4 tdi quattro auto vehicles in our MOT data, 91% pass the MOT (a 9% failure rate), with about 0.9 faults or advisories recorded per test.

The most frequently recorded Audi S4 tdi quattro auto MOT issues are: Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)).

The typical Audi S4 tdi quattro auto in our data has covered around 54,599 miles.

Compare the Audi S4 tdi quattro auto

See how the Audi S4 tdi quattro auto stacks up against other Audi models on MOT reliability:

S4 tdi quattro auto vs A3 S4 tdi quattro auto vs A4 S4 tdi quattro auto vs A6 S4 tdi quattro auto vs A1

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