Saving fuel doesn't have to mean no fun; here are five cars that promise over 50mpg and should also inject plenty of pizzazz. Richard Bremner sees if they can deliver. What possible connection, you're probably wondering, can there conceivably be between these five disparate machines? We have a small sporting coupe, a glamorous hot supermini, a warmed-over Golf, an executive-class saloon of the kind favoured by upmarket cab companies and an example of Britain's favourite compact premium saloon. And yes, we really are going to compare them.
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