True MPG: most and least efficient family cars
What Car?'s True MPG tests show what fuel economy you can really expect from a car. Here, we reveal the best and worst performing family hatchbacks...
The mpg figures published in sales brochures can tempt you into buying a particular car, but those results are often misleading. Fortunately, What Car?'s True MPG tests reveal what sort of fuel economy you can expect in the real world.
To ensure accuracy and repeatability, we use strictly controlled laboratory conditions, but the tests are based on a real-world route that takes in town, rural and motorway driving.
The results reflect what's achievable if you’re driving gently and sticking to speed limits, but aren’t resorting to any unrealistically slow acceleration or special 'hypermiling' techniques.
Here we reveal the 10 most efficient family cars we've tested so far – plus the one that used the most fuel.
The 10 most fuel efficient family cars
10. Renault Megane 1.5 dCi 110
True MPG 47.2mpg
In addition to its impressive True MPG, the Megane comes with lots of luxury and safety equipment. However, it's not as practical or enjoyable to drive as the best rivals.
True MPG 47.3mpg
The A3 is a former What Car? Car of the Year and, in five-door Sportback form, it's still one of our favourite family cars. This 2.0-litre diesel engine is worth the price premium over the rather grumbly 1.6 and should definitely be on your shopping list if you'll be covering a lot of miles.
8. Fiat Tipo 1.6 Multijet 120
True MPG 49.1 %
Fiat's Ford Focus rival undercuts most family hatchbacks by thousands, plus it delivers gutsy performance if you go for this high-powered diesel model. Just bear in mind that the low price is reflected in the quality of the interior and disappointing refinement.
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