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MOT reliability

Audi S4 avant

538 vehicles · 8,042 completed MOT tests analysed
82%
MOT pass rate

Based on 538 Audi S4 avant vehicles and 8,042 completed MOT tests, the Audi S4 avant has an overall 82% pass rate, with an average recorded mileage of 115,962 miles.

538
Vehicles
8,042
MOT tests
7,032
Avg miles / year
1.5
Faults per test
2%
Dangerous-fault share

Audi S4 avant problem areas

Where faults occur most across all Audi S4 avant MOT tests:

  • Other63%
  • Tyres, wheels & suspension27%
  • Brakes11%
  • Emissions & nuisance5%
  • Lamps & electrical4%
  • Body & structure3%
  • Steering2%
  • Visibility1%

Audi S4 avant pass rate by age

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

Age (years)TestsPass rate
11100%
22789%
355188%
454887%
554589%
655985%
757083%
856881%
955880%
1052979%
1153478%
1251380%
1349979%
1448277%
1537281%
1631277%
1721381%
1818581%
1914776%
2013676%

Fuel types: Petrol (527), Diesel (9), Gas Bi-Fuel (1), LPG (1)

Most common Audi S4 avant MOT faults

These are the faults and advisories recorded most often across Audi S4 avant MOT tests:

  1. Oil leak, but not excessive (8.4.1 (a) (i)) (270 times)
  2. Under-trays fitted obscuring some underside components (260 times)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (256 times)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (227 times)
  5. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (193 times)
  6. Offside Front Tyre worn close to the legal limit (4.1.E.1) (193 times)
  7. Engine covers fitted obscuring some components in the engine bay (173 times)
  8. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (145 times)
  9. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (128 times)
  10. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (115 times)
  11. Child seat fitted not allowing full inspection of adult belt (113 times)
  12. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (111 times)
  13. Windscreen has damage to an area less than a 40mm circle outside zone 'A' (8.3.1d) (107 times)
  14. Nearside Front Upper Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2) (99 times)
  15. Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i)) (98 times)

Audi S4 avant pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2020 1 3 100% 98,562
2018 1 10 60% 94,865
2017 4 27 74% 59,354
2016 1 9 89% 156,546
2015 1 2 100% 95,878
2013 6 24 92% 61,136
2012 35 409 88% 98,887
2011 43 525 89% 98,063
2010 74 972 85% 108,790
2009 48 648 86% 111,011
2008 11 187 80% 94,914
2007 24 387 82% 115,931
2006 46 814 83% 116,983
2005 65 1,039 83% 126,694
2004 86 1,468 78% 123,708
2003 72 1,238 76% 126,901
2002 1 2 100% 38,833
2001 2 28 71% 148,733
2000 7 114 78% 130,454
1999 5 65 71% 163,365
1998 2 34 71% 155,585
1995 1 13 54% 238,940
1993 1 1 100% 216,339
1992 1 23 87% —

Audi S4 avant reliability FAQ

Across 538 Audi S4 avant vehicles in our MOT data, 82% pass the MOT (a 18% failure rate), with about 1.5 faults or advisories recorded per test.

The most frequently recorded Audi S4 avant MOT issues are: Oil leak, but not excessive (8.4.1 (a) (i)); Under-trays fitted obscuring some underside components; Nearside Rear Tyre worn close to the legal limit (4.1.E.1).

The typical Audi S4 avant in our data has covered around 115,962 miles.

Compare the Audi S4 avant

See how the Audi S4 avant stacks up against other Audi models on MOT reliability:

S4 avant vs A3 S4 avant vs A4 S4 avant vs A6 S4 avant vs A1

Check a specific Audi S4 avant

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Audi models · Learn about common MOT failures · what an MOT checks