Service savings on your doorstep - Introduction

Motorists spend billions of pounds every year getting their cars serviced, but there's an easy way to slash that. You could save £100 or more, or even cut your bill in half, just by getting on the phone for 20 minutes.

There are tens of thousands of garages clamouring for business. Accept the first quote you get and you'll probably spend far more than you need to.

We decided to find out just how much you could save. So, we called 36 garages - 12 franchised and 24 independents from the Bosch and Unipart chains.

Read on to see how we fared.