Used car guide
2005 Vauxhall Signum: petrol or diesel?
Petrol, diesel and hybrid versions go wrong in different ways, so each has its own figures from the MOTs these cars had during 2023–2025. Pick the one you’re looking at: the fuel is on the logbook and in the car’s MOT history.
Petrol
59% pass first time (all 2005 cars: 57%)
Stands out: exhaust system 2.5×, steering rack inner joints 3.8×
399 MOTsSee the petrol guide ›
Diesel
56% pass first time (all 2005 cars: 57%)
Stands out: coil springs 2×, steering rack inner joints 2.9×, shock absorbers 2×
301 MOTsSee the diesel guide ›
Hybrid versions had too few MOTs for figures of their own, or weren’t sold.
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Other years
Every year of the Vauxhall Signum compared
| Year | MOT tests | Most flagged |
|---|---|---|
| 2008 | – | Too few tests |
| 2007 | 880 | Brakes 46% |
| 2006 | 1,364 | Suspension 48% |
| 2004 | 489 | Suspension 53% |
| 2003 | 143 | Brakes 57% |