The mpg figures published in sales brochures can be one of the main reasons for choosing 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, our tests are conducted under strictly controlled laboratory conditions but based on a real route that takes in urban, A-road and motorway driving.
Below we look at the most (and least) efficient SUVs we've tested so far.
Best real MPG SUVs
10. Ssangyong Tivoli XLV 1.6D
Official fuel economy: 47.9mpg; True MPG: 45.1mpg; Shortfall: 5.8%
If you just looked at official mpg figures, the Tivoli XLV wouldn't be anywhere near the top 10. However, in our True MPG test, it fell just 5.8% short of its official average which is why it features here. The XLV also offers good space and practicality for a relatively low price, but the engine is noisy and the steering vague.
9. Audi Q2 1.4 TFSI 150
Official fuel economy: 51.4mpg; True MPG: 45.3mpg; Shortfall: 11.8%
The Q2 is Audi's smallest and cheapest SUV yet, but it still has the sort of classy interior you expect from the brand. It's great to drive, too, with composed handling and impressive refinement. And while it's safe to assume that one of the diesel versions will more efficient than the 1.4-litre petrol we've tested, this still managed more than 45mpg.
8. Vauxhall Mokka X 1.6 CDTi 136
Official fuel economy: 65.7mpg; True MPG: 47.0mpg; Shortfall: 28.4%
Vauxhall's Mokka X is a popular choice in the UK, thanks to its chunky looks and long list of standard equipment. If you go for the 1.6-litre diesel model you can add good fuel economy to its list of attributes. Unfortunately, the Mokka X is noisy and uncomfortable, with numb steering.
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