Volkswagen Polo vs Volkswagen T4 autosleeper topaz: 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 autosleeper topaz
67%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Volkswagen Polo (73%) and Volkswagen T4 autosleeper topaz (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 autosleeper topaz |
|---|---|---|
| MOT pass rate | 73% ✓ | 67% |
| MOT failure rate | 27% ✓ | 33% |
| Faults & advisories per test | 2.0 | 0.7 ✓ |
| Dangerous-fault share | 2% | 0% ✓ |
| Average mileage | 88,804 mi | 57,129 mi |
| Sample size (vehicles) | 1,167,422 | 1 |
Most common faults
Volkswagen Polo
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
Volkswagen T4 autosleeper topaz
- Exhaust emissions Lambda reading after 2nd fast idle outside specified limits (7.3.D.3)
- Exhaust emissions carbon monoxide content after 2nd fast idle excessive (7.3.D.3)
Reliability FAQ
On MOT pass rate the Volkswagen Polo (73%) and Volkswagen T4 autosleeper topaz (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 autosleeper topaz 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.