True MPG: most efficient executive and luxury cars 2019

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 executive and luxury cars we've tested...

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What Car? team
15 February 2019

BMW 3 Series front quarter driving

7. BMW 3 Series 320d

True MPG 47.2mpg

It may be only seventh on this list, but the 320d is our reigning Executive Car of the Year, because it's fantastic to drive, it's very affordable as a company car and it has the most user-friendly infotainment system around.

Read our full BMW 3 Series review or see what discounts are available


6. Mazda 6 2.2 Skyactiv-D

Mazda 6

True MPG 47.3mpg

While it's not as good an all-rounder as the very best executive saloons, the recently facelifted Mazda 6 has a strong but quiet diesel engine and comes very well equipped.

Read our full Mazda 6 review or see what discounts are available


5. Skoda Superb 1.6 TDI 120

True MPG: best executive and luxury cars 2018

True MPG 47.5mpg

If you're after something that combines limousine-like interior space with low running costs, the Skoda Superb 1.6 TDI should be at the top of your shortlist.