Jeep Grand Cherokee review - MPG, CO2 and Running Costs

Things have definitely improved over the previous generation, but the Jeep Grand Cherokee is still unlikely to win any awards for helping the environment. The standard-fit diesel engine achieves average fuel economy of 28.8mpg and emits 208g/km – by comparison, a BMW X5 xDrive30d in entry xLine trim, fitted with a six-cylidner engine of near identical displacement, returns 47.1mpg and emits 159g/km.

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All other running costs, such as tyres, servicing and filters, will be expensive, too, and the bottom line is that the Grand Cherokee is not a cheap car to run. That's particularly true if you go for the Trackhawk model, which will return 16.9mpg on average and emits a huge 395g/km of CO2.

Insurance groups

The Jeep Grand Cherokee isn't any cheaper to insure than many of its rivals. The Overland and Summit models occupy groups 43 and 44, respectively, while the 6.2-litre V8 Trackhawk sits in the top bracket, at group 50.

Depreciation

The Jeep Grand Cherokee is relatively desirable on the used car market, and valuation experts CAP suggest that all the diesel models should retain between 41 and 43 per cent of their new value after three years and 36,000 miles of ownership.