Vauxhall Adam slam vs Vauxhall Vectra: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Vauxhall Adam slam
87%
MOT pass rate · 168 vehicles
More reliable
Vauxhall Vectra
67%
MOT pass rate · 740,983 vehicles
Verdict: On MOT pass rate, the Vauxhall Adam slam is the more reliable of the two — 87% pass first time versus 67%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Vauxhall Adam slam | Vauxhall Vectra |
|---|---|---|
| MOT pass rate | 87% ✓ | 67% |
| MOT failure rate | 13% ✓ | 33% |
| Faults & advisories per test | 0.0 ✓ | 2.3 |
| Dangerous-fault share | — ✓ | 1% |
| Average mileage | 65,016 mi | 126,456 mi |
| Sample size (vehicles) | 168 | 740,983 |
Most common faults
Vauxhall Adam slam
No fault breakdown available.
Vauxhall Vectra
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Oil leak
- Offside Rear Brake pipe slightly corroded (3.6.B.2c)
Reliability FAQ
On MOT pass rate, the Vauxhall Adam slam is the more reliable of the two — 87% pass first time versus 67%. It's one signal among several; check the full breakdown below.
Full Vauxhall Adam slam report Full Vauxhall Vectra 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.