We know by now to treat the 204mpg real-world economy claim made for the Grandland X Hybrid4 with plenty of circumspection, because how much fossil fuel these PHEV options use depends much more on how they’re used, how far they’re driven and how often they’re charged from the mains than how they are configured.

This is a car that could certainly better day-to-day 100mpg for someone with a short commute and the ability to charge both at home and at the office. The car has a 35-mile WLTP-claimed zero-emissions range, which in our test experience turned out to be more like 25 miles in mixed real-world use. On a longer run, after the drive battery is depleted, it will cover motorway distance returning only about 35mpg, though, which is less economical than some of its rivals.

There’s definitely a ‘basic hygiene’ long-distance fuel economy return for a plug-in hybrid like this, applicable after the battery’s flat, and I wonder if 35mpg may be below it.

Our test car’s £46,650 list price does make it look expensive, but it’s critical to note that, as a fleet car, to fleet operators and company car drivers and at a more modest trim level, the Grandland X Hybrid4 is actually pretty decent value. In Business Edition trim and over a typical fleet ownership period, its total ‘whole life’ cost to both fleet operator and driver would be £2000 less than the equivalent BMW X1 PHEV, nearly £6000 less than the equivalent Volvo XC40 Recharge and £9000 less than for an Outlander PHEV.

What Car? New car buyer marketplace - Vauxhall Grandland X

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