- We delve into our Focus' fuel economy
- Ford says 74.3mpg should be possible
- Find out whether it's living up to its claims
Our Ford Focus is fantastic on fuel The 1.5-litre diesel engine in our Focus is great to drive, but not as efficient as Ford claims Ford Focus trip computer isn't far off my calculated economy figure Fuel isn't cheap these days, so every little helps! Ford's Easy Fuel system makes it impossible to put petrol in your diesel car - or vice versa.