In-depth reviews

BMW X2 review - MPG, CO2 and running costs

The X2’s small selection of diesel and petrol powertrains is competitive on running costs

The combined cycle fuel economy figures recorded by the four-cylinder units under the X2’s bonnet are fairly impressive. As ever, you’d struggle to match them in real world conditions, but they are competitive with rivals in the class.

Unsurprisingly, front-wheel-drive 18d diesels are the most economical on paper – apart from the PHEV - and BMW’s lowest claimed combined figure is 54.3mpg (WLTP). That's not bad for a car of this type, and naturally, larger, heavier and taller riding rivals like Jaguar’s E-Pace lag a little behind the BMW’s numbers.

Add xDrive all-wheel-drive on the 18d and the figure drops to 50.4mpg or 49.6mpg for cars with an automatic gearbox. CO2 climbs if you add bigger wheels, so be aware when ordering.

Elsewhere in the range, xDrive20d SE cars return very similar numbers despite the higher state of tune, while again higher spec cars with bigger wheels return poorer figures. The sDrive20i petrols are the least economical (around 37mpg) of the standard models, while the M35i is less frugal still. Again, adding bigger wheels to any of these models will have a negative impact on these figures.

The X2 PHEV has a 10kWh Lithium-ion battery that offers a little over 30 miles on electric power only, as long as you keep it charged. That takes around five hours from a standard domestic socket, or three-and-a-bit hours if you have a BMW 7.4kWh i Wallbox fitted. 38-41g/km C02 figures, depending on trim, make the X2 potentially advantageous for company car drivers who’ll face reduced Benefit-in-Kind tax.

Insurance groups

Groups for the X2 range from 19 to 40, depending on which trim and engine combination you go for. Go for Sport spec over SE and you'll see a rise of three groups, while M Sport is another group above that. However, M Sport X is the same insurance group. 


Depending on specification, the X2 should hold on to around 49% of its value after three years and 36,000 miles of ownership.

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