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Audi A3 vs Audi Tdi se: 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 Tdi se
63%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Audi A3 (78%) and Audi Tdi se (63%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Audi A3 Audi Tdi se
MOT pass rate 78% ✓ 63%
MOT failure rate 22% ✓ 37%
Faults & advisories per test 1.8 1.4 ✓
Dangerous-fault share 3% 0% ✓
Average mileage 112,882 mi 174,247 mi
Sample size (vehicles) 586,036 2

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 Tdi se

  1. Child seat fitted not allowing full inspection of adult belt
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Front position lamp(s) not working (1.1.A.3b)
  4. Both front tyres worn on inner edges.
  5. Rear registration plate delaminated but not likely to be misread (6.3.1d)
  6. Rear brake discs scored

Reliability FAQ

On MOT pass rate the Audi A3 (78%) and Audi Tdi se (63%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Audi A3 report Full Audi Tdi se 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.