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Audi A 3 vs Audi A1: reliability comparison

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

Audi A 3
82%
MOT pass rate · 6 vehicles
Audi A1
84%
MOT pass rate · 235,482 vehicles
Verdict: On MOT pass rate the Audi A 3 (82%) and Audi A1 (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A 3 Audi A1
MOT pass rate 82% 84% ✓
MOT failure rate 18% 16% ✓
Faults & advisories per test 1.1 ✓ 1.5
Dangerous-fault share 4% ✓ 5%
Average mileage 92,925 mi 67,791 mi
Sample size (vehicles) 6 235,482

Most common faults

Audi A 3

  1. Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Brake pad(s) wearing thin (3.5.1g)
  4. Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
  5. Central Rear Stop lamp(s) with a multiple light source up to 1/2 not functioning (4.3.1 (a) (i))
  6. Drive belt worn, but not excessively (6.1.7 (c) (i))

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))

Reliability FAQ

On MOT pass rate the Audi A 3 (82%) and Audi A1 (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A 3 report Full Audi A1 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.