So which one of our top 10 superminis could tempt you to downsize?
Take a look at our 'at a glance' collection of ratings to help get a clearer picture of where each of our contenders excel - or fall by the wayside.
We've included all the following information:
• Official average economy
• CO2 emissions
Superminis at a glance
Just click below for a larger version of our supermini information sheet.