The number of intake and exhaust valves in each engine cylinder. More valves per cylinder means better engine breathing and better performance but it also adds to cost.

The mechanism by which the car's steering operates, such as manual, power-assisted, or electric. It affecting driving ease.

The maximum number of people that can legally and comfortably sit in a car.

The total number of doors in the car, including the boot if it's considered a door. It affects access and convenience.

The diameter of the car's alloy wheels. Alloy wheels are lighter and better looking than standard wheels, not including tyres.

The dimensions of the car's tyres indicating their width, height, and diameter. Important for grip and performance.

Tells you the kind of tyres fitted to the car, such as all-season, summer, or winter. It affects grip and performance in different conditions.