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Audi A3 vs Audi Q5 sline sp ed tdiquat170: 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 Q5 sline sp ed tdiquat170
82%
MOT pass rate · 43 vehicles
More reliable
Verdict: On MOT pass rate, the Audi Q5 sline sp ed tdiquat170 is the more reliable of the two — 82% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Audi A3 Audi Q5 sline sp ed tdiquat170
MOT pass rate 78% 82%
MOT failure rate 22% 18%
Faults & advisories per test 1.8 0.0
Dangerous-fault share 3%
Average mileage 112,882 mi 150,414 mi
Sample size (vehicles) 586,036 43

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 Q5 sline sp ed tdiquat170

No fault breakdown available.

Reliability FAQ

On MOT pass rate, the Audi Q5 sline sp ed tdiquat170 is the more reliable of the two — 82% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Audi A3 report Full Audi Q5 sline sp ed tdiquat170 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.