Your car has a recommended tire pressure that will give the best gas mileage, handling and tire life for that car — and it’s written right on the vehicle’s door.

These are the best portable air compressors and tire inflators for your car and its tires, including picks from brands such ...

From which tyres fit your car to understanding tyre sizes and how long tyres should last. We explain all in our complete guide to choosing car tyres.

If the tyre were at 100 psi, then the computer would consistently show a ride distance of 5.36 miles. If the computer showed a ride distance of 5.39 miles, then I would know that my tyres needed ...