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Which Is The Most Efficient & Best Family Car in the UK?

The Green Car Guide to the most efficient and lowest emission family car on sale in the UK today. We list, road test and compare the best eco-friendly family cars in electric and plug-in hybrid categories, with economy and emissions data.

The list is updated on a monthly basis as new models are released and following our regular road tests where we give the vehicles a full work out under realistic driving conditions.

Electric Family Cars

1st

BMW i4
BMW i4 eDrive40 SportThe i4 is so easy to recommend because it does so many things so well. It isn’t cheap but it fully justifies the price thanks to an excellent interior, impressive refinement, excellent range, 205 kW peak charge capability and one of the best driving experiences of any EV.Read more

2nd

Kia EV6
KIA EV6 Air 77.4 kWhThe EV6 is KIA's take on the IONIQ 5. It shares the state of the art 800V architecture and wraps it in an equally impressive crossover/GT body shell. The EV6 gets our nod thanks to being a bit sharper to drive, but both are hugely impressive.Read more

2nd

IONIQ 5
Hyundai IONIQ 5 Premium 58 kWhThe IONIQ 5 introduces the 800V architecture to the mainstream. It delivers on range, Ultra Rapid charge capability, practicality, and looks. It is also very competitively priced, and very efficient in the real world. As a result it goes straight to the top of the class.Read more

2nd

Polestar 2
Polestar 2 Standard Range 69 kWhPolestar 2 was the first family EV to deliver the premium offering that European markets are used to. It is a great package mixing the best elements of Scandinavian design, Volvo safety and quality, and Chinese EV expertise. The decision to move to rear wheel drive for the single motor variant delivers added performance and range, with the longest range option now topping 400 miles.Read more

2nd

Tesla Model 3 2024
Tesla Model 3 Rear-Wheel driveThe Model 3 isn't perfect but it is good enough to make the German's sweat and that is a major achievement.Read more

Plug-in Hybrid

1st

Mercedes-Benz C-Class C 300 e AMG Line565 mpg (WLTP)The C 300 e is a technical tour de force, with an excellent electric range for a plugin hybrid and Rapid charge capability.Read more

2nd

BMW 330e
BMW 330e Saloon 201.8 mpg (WLTP)We like the 330e. A lot. To find out why we think it is the best car in the class, read on.Read more
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