Rolls-Royce Dawn

What fails its inspection

Great Britain's MOT record for the 2018 6.6 petrol. 8 of 118 tests failed, 7%.

Better than 86% of 2018 cars. The typical one fails 10%, across 966 models with enough tests behind them to say.

The defects inspectors cite

• A tyre seriously damaged
• A tyre cords visible or damaged
• A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber
• Number plate does not conform to the specified requirements
• Parking brake efficiency below minimum requirement

Where it stands out against its peers

• Tyres and wheels: failed more often than 98% of 2018 cars — 88% of its 8 failed tests, where an ordinary 2018 car has 45%.

Same model year only, at least 30 peer cars, zeros included. Every car has a worst part; this shows which, and how far from ordinary it is. A high share means more to check, not a verdict.

NHTSA's investigations are American; no European regulator publishes an equivalent record, so this section has nothing to draw on for a European car. There is no European equivalent of the service-bulletin register either.

Before you buy one

Built from what this car fails on, not from general knowledge of the model.

• Tyres and wheels — 88% of its failures
  • A tyre seriously damaged
  • A tyre cords visible or damaged
  • A tyre has a lump, bulge or tear caused by separation or partial failure of its structure. This includes any lifting of the tread rubber
• Brakes — 13% of its failures
  • Parking brake efficiency below minimum requirement
• Plates and identity — 13% of its failures

Specification