If your car comes with a spare tire, chances are it's a space-saving "donut" and not a full-size tire. Here are the pros and ...

so you can upgrade safe in the knowledge that your car will continue to function properly. Which manufacturers offer a spare wheel as standard? Full-size spare wheels and spacesavers are becoming a ...

(There are handy calculators online for how a change in tire size affects your gear ratio if you’re serious about modifying your car’s gearing to compensate for this.) Furthermore, your car ...