Citroen C4 X

Road tax shown for new vehicles is for the first year from registration.  The road tax after the first year of registration will increase by a supplementary amount for years 2 to 6 for vehicles with a list price of more than £40,000 (except for zero emission vehicles). Full details of total road tax costs for individual vehicles can be found at the performance section below

All cars fall into one of 50 insurance groups that help insurers decide what premium you pay. The insurance group is based on various factors including car value, performance, and safety. Learn more.

Before any car goes on sale, CO2 emissions are measured using a series of tests. Emissions are listed in g/km (grams per kilometre). Cars with lower CO2 emissions benefit from lower road tax.

Mpg stands for miles per gallon, and is used to show how far your car is able to travel for every gallon (or 4.55 litres) of fuel it uses. The combined WLTP fuel economy figure provides a general overview of a car's fuel consumption over a variety of speeds and road types.