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Executive Cars
Diesel
1. BMW 5 Series 520d ED 62.8 mpg
2. Audi A6 2.0 TDI SE 57.7 mpg
3. Mercedes-Benz E-Class E220/E250 CDI 57.6 mpg
Petrol
1=. BMW ActiveHybrid5 44.1 mpg
1=. BMW 5 Series 520i SE 44.1 mpg
2. Mercedes-Benz E250 42.8 mpg
3. Infiniti M35h 40.4 mpg
