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Audi A3 vs Audi A5 s ln blk ed 35 tfsi mhev sa: reliability comparison

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

Audi A3
78%
MOT pass rate · 586,036 vehicles
Audi A5 s ln blk ed 35 tfsi mhev sa
89%
MOT pass rate · 1,281 vehicles
More reliable
Verdict: On MOT pass rate, the Audi A5 s ln blk ed 35 tfsi mhev sa is the more reliable of the two — 89% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Audi A3 Audi A5 s ln blk ed 35 tfsi mhev sa
MOT pass rate 78% 89% ✓
MOT failure rate 22% 11% ✓
Faults & advisories per test 1.8 0.8 ✓
Dangerous-fault share 3% ✓ 12%
Average mileage 112,882 mi 29,003 mi
Sample size (vehicles) 586,036 1,281

Most common faults

Audi A3

  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. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre worn close to the legal limit (4.1.E.1)

Audi A5 s ln blk ed 35 tfsi mhev sa

  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. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
  5. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

Reliability FAQ

On MOT pass rate, the Audi A5 s ln blk ed 35 tfsi mhev sa is the more reliable of the two — 89% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Audi A3 report Full Audi A5 s ln blk ed 35 tfsi mhev sa 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.