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Audi A1 vs Audi T t: reliability comparison

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

Audi A1
84%
MOT pass rate · 235,482 vehicles
Audi T t
65%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Audi A1 (84%) and Audi T t (65%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A1 Audi T t
MOT pass rate 84% ✓ 65%
MOT failure rate 16% ✓ 35%
Faults & advisories per test 1.5 ✓ 2.4
Dangerous-fault share 5% 3% ✓
Average mileage 67,791 mi 110,527 mi
Sample size (vehicles) 235,482 4

Most common faults

Audi A1

  1. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
  4. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Audi T t

  1. Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
  2. Windscreen has damage to an area less than a 10mm circle within zone 'A' (8.3.1a)
  3. Nearside Front 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. Front Suspension arm pin or bush worn but not resulting in excessive movement both (5.3.4 (a) (i))
  6. Suspension component corroded but not seriously weakened (5.3.3 (b) (i))

Reliability FAQ

On MOT pass rate the Audi A1 (84%) and Audi T t (65%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A1 report Full Audi T t 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.