What are they like inside?
With their high roofs and lofty driving positions, all three SUVs have room to spare up front – even very tall drivers will have no issues with head or leg room.
The BMW X6 stands out as the most cramped in the back, though, because its sloping roofline eats into headroom. That said, the Porsche Cayenne’s rear passenger space is the narrowest and it has the most pronounced transmission tunnel, so it’s the least comfortable for a central rear seat passenger.
The Range Rover Sport is the only car available with the option of seven seats (for £1500), although the extra two suitable only for small children.
Look at the official boot capacities and you'll think the Range Rover has by far the biggest boot, but that's only because Land Rover measures to the roofline, whereas BMW and porsche measure to the parcel shelf. In reality, all three load bays are similarly spacious, so families will easily fit a couple of large pushchairs, and golfers a set of clubs without having to remove their driver.
Unfortuately, the X6 can be tricky to load in the first place because its boot has the narrowest aperture, plus its boot lip is farthest from the ground, which makes loading heavy items too much of an effort.
All three cars have rear seat backs that split 40/20/40 and can be folded to extend the size of the load bay. However, while the backrests in the X6 and Cayenne leave only a slight step in the floor when down, there’s a more pronounced difference in floor levels to negotiate in the Range Rover.
All three of these SUVs offer good forward visibility, but the X6 has the worst over-the-shoulder view, because of its chunky rear pillars.
As you’d expect, electric adjustment for the driver’s seat is standard on every car, albeit with the Range Rover’s 16-way adjustment helping you fine-tune your position best. Steering wheel adjustment is good across the board, too, although the Range Rover is the only car that allows you to do this electrically.
Perceived quality is best in the Cayenne, thanks to its classy interior and beautifully made switches. The Range Rover isn’t far behind, but the plastic surfaces in the X6 feel a fair bit less premium.
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