Used car guide

2021 Vauxhall Insignia: 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 83% pass first time (all 2021 cars: 87%) Nothing stands out above the usual rate 163 MOTsSee the petrol guide › Diesel 84% pass first time (all 2021 cars: 87%) Stands out: brake pads 2.2×, exhaust system 36×, shock absorbers 2.2× 1,713 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 Insignia compared

YearMOT testsMost flagged
2022633Tyres 39%
20203,957Tyres 26%
201923,888Tyres 29%
201837,936Tyres 30%
201746,306Tyres 32%
201666,473Tyres 34%
201585,058Tyres 36%
201474,941Tyres 36%
201361,358Tyres 37%
201259,110Tyres 39%
201166,448Suspension 40%
201039,810Suspension 43%
200927,884Suspension 47%
2008310Suspension 41%