Most Economical Cars

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Most economical executive cars

BMW 520d Price Depreciation Fuel Costs Insurance Maintenance Economy Rating 53% Availability: UK, AU, IN Engine: 2.0L 4C Diesel

Mercedes E220 CDI Price Depreciation Fuel Costs Insurance Maintenance Economy Rating 50% Availability: UK, AU, IN Engine: 2.2L 4C Diesel

Audi A6 3.0 Price Depreciation Fuel Costs Insurance Maintenance Economy Rating 40.5% Availability: US, UK, AU, IN Engine: 3.0L 6C

Lexus GS450h Price Depreciation Fuel Costs Insurance Maintenance Economy Rating 37% Availability: US, UK, AU Engine: 3.5L 6C & electric

Mercedes-Benz S400 Hybrid 3.5l Price Depreciation Fuel Costs Insurance Maintenance Economy Rating 29% Availability: US Engine: 3.5L & electric

most popular

Fuel Efficiency Tests
How fuel efficiency is calculated and why your fuel economy will be different.


Manual, automatic and CVT fuel efficiency
We examine the different transmission types.

must read advice

Most Economical Speed
Which speed will give you the best fuel mileage?


Improve Fuel Economy
Top tips to make your car more efficient.