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Audi 4000 vs Audi A4: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Audi 4000
56%
MOT pass rate · 2 vehicles
Audi A4
76%
MOT pass rate · 568,515 vehicles
Verdict: On MOT pass rate the Audi 4000 (56%) and Audi A4 (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi 4000 Audi A4
MOT pass rate 56% 76% ✓
MOT failure rate 44% 24% ✓
Faults & advisories per test 4.3 1.9 ✓
Dangerous-fault share 3% 2% ✓
Average mileage 156,015 mi 133,841 mi
Sample size (vehicles) 2 568,515

Most common faults

Audi 4000

  1. Exhaust has a minor leak of exhaust gases (7.1.2)
  2. Nearside Front brake disc slightly pitted (3.5.1h)
  3. Offside Front brake disc slightly pitted (3.5.1h)
  4. Brake pipe corroded, covered in grease or other material (1.1.11 (c))
  5. Exhaust has a minor leak of exhaust gases (6.1.2 (a))
  6. Offside Rear Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

Audi A4

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Under-trays fitted obscuring some underside components
  6. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Audi 4000 (56%) and Audi A4 (76%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi 4000 report Full Audi A4 report Most reliable cars

Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.