Greenest City car models 2020 - Best City car models

The list below shows similar models to the UNITI One in the city car class. Ordered by the NGC Rating, these cars are the greenest models available to buy as new in the UK in 2020.

Petrol, diesel, electric and PHEV city car are included in the selection and data shown includes NGC Rating, official MPG and CO2 emissions. Choose a model to see full information including links to cost and tax calculators.

If you have a regular daily mileage and somewhere to install a home charging unit, an electric city car is the best and most environmentally friendly option. Failing that a plug-in hybrid or low emission petrol diesel car would be a good choice.

The Next Green Car Rating, looks at a total emissions over the lifecycle of a vehicle and expresses the vehicle’s impact as a score ranging from 0 for the greenest cars to 100 for the most polluting. This can be used to help you compare city car models across technologies and help you narrow down the options.

To compare three models side by side, use the blue compare button to add to the car comparison tool.