Greenest Executive Models – Diesel or Petrol & Best Hybrid Cars UK

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


The Best Hybrid Cars & Diesel Executives in the UK

First place

 BMW 5 Series 520d ED 72.4 mpg (WLTP 65.7 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 E200d/220d  72.4 mpg (WLTP 61.4 mpg)

The Mercedes-Benz E200d/220d both deliver excellent official fuel economy, which is highly impressive for such a large and refined executive car.

Second place

Jaguar XF

Jaguar XF 2.0 Prestige 70.6 mpg (WLTP 57.6 mpg)

Jaguar has finally got a world class diesel engine and it has found the perfect home in the excellent XF.

Petrol and Best Hybrid Executive Cars

First place

Lexus GS hybrid petrol electric Lexus GS 300h Executive Edition  64.2 mpg

The Lexus GS 300h uses its petrol-electric hybrid system to deliver an impressive 64.2 mpg, as well as offering a very refined driving experience.

Second place

 BMW 5 Series 520i SE 52.3 mpg

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

Third 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.

Plug-in Hybrid Executive Cars

First place

BMW 530e BMW 5 Series 530e SE 141.2 mpg

Our favourite Exec has got a new party trick, thanks to a plug-in hybrid drivetrain you can now travel up to 28 miles in pure electric mode.

Volvo S90 T8 Twin Engine Volvo S90 T8 Twin Engine R-Design Pro 141.2 mpg (WLTP 128.4 mpg)

It isn’t the most engaging car in the class, but the S90 combines a useable electric range with very good real world petrol mpg, outstanding refinement and comfort. It delivers a uniquely Swedish interpretation of executive motoring with an environmental concussion, and we really rather like it!

Second place

 Mercedes-Benz E-Class E350e 134.5 mpg

The E-Class is a technical marvel, and with the addition of a plug-in hybrid drivetrain it could also save you a packet in fuel costs. Just make sure you can live with the short electric only range.

Third place

Porsche Panamera S E-Hybrid Porsche Panamera 4 E-Hybrid 113 mpg

The Porsche Panamera 4 E-Hybrid has an official fuel economy figure of 113 mpg and emissions of 59 g/km CO2 – this means that this Porsche is exempt from the London Congestion Charge.

Electric Executive Cars

First place

Jaguar I-PACE Jaguar I-PACE S EV400

Jaguar 1 – Tesla 0

Second place

tesla model s Tesla Model S

The Tesla Model S is all-electric and has an official driving range of between 304 and 393 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.