Saving fuel is now a national pass-time thanks to the high cost of oil. Motorists can
minimise consumption by driving like a terrified pensioner, but there is a better way. The
BMW 320d EfficientDynamics, for example, averages a staggering 68.9mpg. This rises
to 78.5mpg on the extra-urban cycle and its emissions are only 109g/km. Never fear
though, despite its cost cutting tendencies this executive saloon hits 62mph in a speedy 8
seconds. The downside is that this 2.0-litre 163bhp environmental wizard costs £27,900.
The BMW 120d Urban Auto 5dr is keen to wave the environmental flag too. This 2.0-
litre 184bhp rocket reaches 62mph in an entertaining 7.3 seconds – and still manages
to average 64.2mpg. This increases to 72.4mpg on the extra-urban cycle. Sounds good
to me. Carbon emissions are 116g/km, so motorists can cruise with a clear conscience
and only stop for fuel occasionally. The price for this convenience is a noticeably hefty
There are various other high achievers within the range. The BMW 520d SE, for example,
averages 57.6mpg - and has enough poke to hit 62mph in 8.1 seconds. Expect to pay
£29,430. Even the 7 Series can be comparatively efficient, so the 730d SE manages a
purse-pleasing 41.5mpg. Far less than some, but it is a vast saloon that hits 62mph in only
7.2 seconds. Just as well for £57,420. Who says efficient cars have to be small and slow?