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Volkswagen Polo vs Volkswagen T4 transporter tdi: reliability comparison

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

Volkswagen Polo
73%
MOT pass rate · 1,167,422 vehicles
Volkswagen T4 transporter tdi
67%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Volkswagen Polo (73%) and Volkswagen T4 transporter tdi (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Volkswagen Polo Volkswagen T4 transporter tdi
MOT pass rate 73% ✓ 67%
MOT failure rate 27% ✓ 33%
Faults & advisories per test 2.0 1.0 ✓
Dangerous-fault share 2% 0% ✓
Average mileage 88,804 mi 210,459 mi
Sample size (vehicles) 1,167,422 1

Most common faults

Volkswagen Polo

  1. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  2. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  3. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Volkswagen T4 transporter tdi

  1. Brake pedal creeps down while the pedal is held under pressure (3.3.B.1a)
  2. Coil spring not correctly located (2.4.C.2)
  3. Exhaust emits an excessive level of metered smoke for a turbo charged engine (7.4.B.3b)
  4. Nearside Front constant velocity joint gaiter split (2.5.C.1a)
  5. Registration plate lamp not working (1.1.5c)
  6. Exhaust has a minor leak of exhaust gases (7.1.2)

Reliability FAQ

On MOT pass rate the Volkswagen Polo (73%) and Volkswagen T4 transporter tdi (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Volkswagen Polo report Full Volkswagen T4 transporter tdi 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.