Trouble with modern 4x's is computer controlled gizmoidery. All this traction control is all well and good, and yes, you can turn it all off and it will still do what you ask.... But, folk without basic knowledge will let the software drive the vehicle into places where you'd normally get out of the cab and have a look first, and think "fook that". That software is very capable of getting you a lot more bogged than you can do by yourself... A false sense of security. (a bit like ovloVs in that respect
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Last 'new' LR I had a go at was in about 2004, a new Range Rover and also the new D3.. Drove it round the then LRE site at Spinningdale (well, Skibo Castle... It was for a magazine photo shoot and publicity, my mate was doing the photography and needed, as he put it, "sandbags". I managed to keep my mug off camera though.) and was actually quite impressed. Stopped it on a helluva steep slope, and the traction control allowed it to reverse back up... Probably 1 in 6? Then did the same without traction control. No bother. I wasn't allowed to take it wading though.... There was a pool of water at the bottom of that slope, and it even held on the brake going backwards up out of that... And then I reversed down the slope... Quite happily. Very capable.
Would I have one? No ta. Need a degree in computer science to fix them!