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In-depth reviews

BMW X2 review - MPG, CO2 and running costs

The X2 offers efficient petrol and plug-in hybrid powertrains, which helps to keep running costs reasonable

Overall Auto Express Rating

3.5 out of 5

MPG, CO2 and Running Costs Rating

4.0 out of 5

Price
£40,490 to £52,970
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The combined cycle fuel economy figures recorded by the three- and 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.

If you opt for a front-wheel drive 18i petrol model, BMW claims you should see returns of between 44.1-45.6mpg if you stick with the standard six-speed manual, or 42.8-44.1mpg if you spring for the dual-clutch automatic. Upgrading to the xDrive20i (available exclusively with a seven-speed automatic gearbox) adds more power and all-wheel drive, and sees a slight fall to around 40mpg.

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The finally purely petrol-powered model is the sportier M135i which produces 302bhp from a 2.0-litre four-cylinder engine, with BMW claiming the hot version will return roughly 36mpg.

The plug-in hybrid X2 xDrive25e features a 1.5-litre three-pot petrol engine and a single electric motor fed by a 10kWh lithium-ion battery for a pure-electric driving range of 32 miles, 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 use a typical 7.4kW home wallbox. It also emits 39-41g/km CO2 figures, depending on trim, making the X2 PHEV the better choice for company car drivers who’ll face reduced Benefit-in-Kind tax.

Although they’re now removed from the X2 price list, those seeking frugality should look at used examples of the front-wheel-drive 18d diesels which had a WLTP combined economy figure of well over 50mpg. Add xDrive all-wheel drive to the 18d and the figure drops to 50.4mpg or 49.6mpg for models fitted with an automatic gearbox. A 20d version was also available, although economy drops to 48.7mpg with the more powerful 20d. 

Insurance groups

Groups for the X2 range from 22 to 40 (out of 50), depending on which trim and engine combination you go for. Unsurprisingly, the 302bhp M135i will be the most expensive version to insure in group 40, while the X2 PHEV sits in either group 30 or 31. 

You can get personalised car insurance quotes fast with our comparison tool powered by Quotezone...

Depreciation

Depending on specification, the X2 should hold on to between 45 and 50 per cent of its value after three years and 36,000 miles of ownership, with the plug-in xDrive25e in Sport trim performing the best of the bunch.

To get an accurate valuation on a specific model check out our valuation tool...

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Which Is Best

Cheapest

  • Name
    sDrive 18i SE 5dr
  • Gearbox type
    Manual
  • Price
    £29,295

Most Economical

  • Name
    sDrive 18d SE 5dr
  • Gearbox type
    Manual
  • Price
    £31,600

Fastest

  • Name
    M35i 5dr Step Auto
  • Gearbox type
    Semi-auto
  • Price
    £48,975
News reporter

As our news reporter, Ellis is responsible for covering everything new and exciting in the motoring world, from quirky quadricycles to luxury MPVs. He was previously the content editor for DrivingElectric and won the Newspress Automotive Journalist Rising Star award in 2022.

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