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Greenest Executive Cars – Diesel or Petrol and Hybrid models

Green Car Guide to the most economical and lowest emission executive cars on sale in the UK today. We list our top greenest cars in the executive sector for diesel, petrol and hybrid models with reviews of the vehicles with the highest fuel economy but also with a blend of quality, style, performance and driving entertainment.

 

Diesel and Hybrid Executive Cars

First place

mazda6 001 80x53 Mazda6 2.2 150 SE  72.4 mpg

The Mazda6 may not be the first thought for an executive car, but it looks great, drives well, and has an excellent official combined economy figure of 72.4mpg.

Second place

BMW 5 Series 520d ED BMW 5 Series 520d ED 68.9 mpg

The 520d ED achieves excellent fuel economy that shames many city cars. With a brilliant blend of quality, style, performance and driving entertainment, it remains our favourite.

Mercedes Benz E300 Hybrid Mercedes-Benz E300 Hybrid  68.9 mpg

The Mercedes-Benz E300 Hybrid has an official combined economy figure of 65.7mpg, which is highly impressive for such a large and refined executive car.

Third place

Audi A6 2.0 TDI SE Fuel Economy Audi A6 SE 2.0 TDI ultra 64.2 mpg

The most efficient Audi A6 now gains the title ‘ultra’, and this model has an official combined economy figure of 64.2mpg.

Petrol and Hybrid Executive Cars

First place

Lexus GS hybrid petrol electric Lexus GS 300h  60.1 mpg

The Lexus GS 300h uses its petrol-electric hybrid system to deliver an impressive 60.1mpg, as well as offering a very refined driving experience.

Second place

eMercedes-Benz E250 Mercedes-Benz E200/E250 SE 7G-Tronic Plus  47.9 mpg

At the heart of the E200 is a 1.8-litre, four-cylinder petrol engine which combines variable intake and exhaust camshafts, direct injection and turbocharging to great effect. The result is more than 100 bhp / litre and 228 lb.ft of torque over an exceptionally wide band from 2,000 to 4,300 rpm.

Third place

BMW 5 Series 520i SE  BMW 5 Series 520i SE  47.1 mpg

The 5 Series has always been the most engaging executive saloon to drive and the latest version maintains top spot. The 520i automatic blends good performance with strong fuel economy and poise making it the ideal choice for enthusiastic drivers.

Fourth place

Lexus GS hybrid petrol electric Lexus GS 450h  46.3 mpg

The Lexus GS 450h uses its petrol-electric hybrid system to combine performance and low emissions.

 

Also consider

First place

 

Mercedes-Benz S-Class

Mercedes-Benz S-Class 300 BlueTec Hybrid L AMG Line 61.4 mpg

The Mercedes-Benz S-Class 300 Hybrid has an official combined economy figure of 61.4mpg – impressive for one of the world’s leading petrol-powered luxury cars.

Second place

l-executive-cars-petrol-audi-a8-80x53.jpg Audi A8 Hybrid 2.0 TFSI Tiptronic  44.8 mpg

The Audi A8 Hybrid sits in the next segment up from these cars in the Executive Class, and so it’s more expensive than the other contenders above, however it’s equally efficient, which is an impressive achievement.

Plug-in Hybrid Executive Cars

First place

Porsche Panamera S E-Hybrid Porsche Panamera S E-Hybrid 91.1 mpg

The Porsche Panamera S E-Hybrid has an official fuel economy figure of 91.1mpg and emissions of 71g/km CO2 – this means that this Porsche is exempt from the London Congestion Charge.

 

Electric Executive Cars

First place

tesla model s Tesla Model S

The Tesla Model S is all-electric and has a driving range of between 240 and 300 miles depending on the model. It also has a 0-62mph acceleration time that competes with supercars yet it’s even available with 7 seats.