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Volkswagen Passat vs Volkswagen T30tdi: reliability comparison

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

Volkswagen Passat
74%
MOT pass rate · 601,376 vehicles
Volkswagen T30tdi
71%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Volkswagen Passat (74%) and Volkswagen T30tdi (71%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Volkswagen Passat Volkswagen T30tdi
MOT pass rate 74% ✓ 71%
MOT failure rate 26% ✓ 29%
Faults & advisories per test 2.0 1.8 ✓
Dangerous-fault share 2% 0% ✓
Average mileage 147,486 mi 199,672 mi
Sample size (vehicles) 601,376 2

Most common faults

Volkswagen Passat

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  5. Under-trays fitted obscuring some underside components
  6. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Volkswagen T30tdi

  1. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  3. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  4. centre rear seat belt not checked child seat fitted
  5. n/s & centre seat BELTS NOT CHECKED CHILD SEAT FITTED
  6. Nearside Front Brake hose slightly deteriorated (3.6.B.4d)

Reliability FAQ

On MOT pass rate the Volkswagen Passat (74%) and Volkswagen T30tdi (71%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Volkswagen Passat report Full Volkswagen T30tdi 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.