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Audi A3 vs Audi Q3 s line black ed 35 tdi s-a: 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 Q3 s line black ed 35 tdi s-a
94%
MOT pass rate · 1,168 vehicles
More reliable
Verdict: On MOT pass rate, the Audi Q3 s line black ed 35 tdi s-a is the more reliable of the two — 94% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Head to head

Measure Audi A3 Audi Q3 s line black ed 35 tdi s-a
MOT pass rate 78% 94% ✓
MOT failure rate 22% 6% ✓
Faults & advisories per test 1.8 0.8 ✓
Dangerous-fault share 3% ✓ 4%
Average mileage 112,882 mi 35,899 mi
Sample size (vehicles) 586,036 1,168

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 Q3 s line black ed 35 tdi s-a

  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 pad(s) wearing thin (1.1.13 (a) (ii))
  4. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  6. Nearside Front Shock absorbers has light misting of oil (5.3.2 (b))

Reliability FAQ

On MOT pass rate, the Audi Q3 s line black ed 35 tdi s-a is the more reliable of the two — 94% pass first time versus 78%. It's one signal among several; check the full breakdown below.

Full Audi A3 report Full Audi Q3 s line black ed 35 tdi 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.