I have both vehicles and I've had no isssues with my 04' RR (purchased new 6/04). The engine, NAV, rear hatch are all the same design as an X5. It's just a different vehicle than the X, but a great ride.

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03' X5 4.4i Black Sapphire/Black
04' Land Rover Range Rover HSE
95' Jeep GC Ltd