True MPG: best executive and luxury cars 2018

What Car?'s True MPG tests show what you can really expect from a car. Here we reveal the most efficient executive and luxury cars we've tested so far

Words By Claire Evans

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2. Alfa Romeo Giulia 2.2D 180

Official fuel economy: 67.3mpg; True MPG: 45.7mpg; Shortfall: 32.1%

The Alfa Giulia is a handsome looking alternative to BMW’s 3 Series and Audi’s A4. Its 2.2-litre diesel engines are strong performers, particularly the punchier 178bhp version tested here. The icing on the cake is real-world fuel economy of more than 45mpg.

Read our full Alfa Romeo Giulia review

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1. Skoda Superb 2.0 TDI 150

Official fuel economy: 68.9mpg; True MPG: 48.2mpg; Shortfall: 30.0%

Not only is the Skoda Superb the most fuel-efficient executive choice, it’s also one of the roomiest and best equipped. Don’t discount its interior quality either, it may not be as plush as an Audi A4, but it seriously outclasses the Ford Mondeo and Vauxhall Insignia.

Watch our video review of the Skoda Superb

Read our full Skoda Superb review

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