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Audi A1 vs Audi A5 sport 40 tfsi mhev s-a: 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 A5 sport 40 tfsi mhev s-a
89%
MOT pass rate · 208 vehicles
More reliable
Verdict: On MOT pass rate, the Audi A5 sport 40 tfsi mhev s-a is the more reliable of the two — 89% pass first time versus 84%. It's one signal among several; check the full breakdown below.

Head to head

Measure Audi A1 Audi A5 sport 40 tfsi mhev s-a
MOT pass rate 84% 89% ✓
MOT failure rate 16% 11% ✓
Faults & advisories per test 1.5 1.0 ✓
Dangerous-fault share 5% 4% ✓
Average mileage 67,791 mi 39,670 mi
Sample size (vehicles) 235,482 208

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 A5 sport 40 tfsi mhev s-a

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Nearside Rear Shock absorbers has light misting of oil (5.3.2 (b))
  4. Offside Rear Shock absorbers has light misting of oil (5.3.2 (b))
  5. Nearside Rear Shock absorbers has a serious fluid leak (5.3.2 (b))
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate, the Audi A5 sport 40 tfsi mhev s-a is the more reliable of the two — 89% pass first time versus 84%. It's one signal among several; check the full breakdown below.

Full Audi A1 report Full Audi A5 sport 40 tfsi mhev s-a 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.