Land Rover Defender Special Vehicle X – or SVX – made its debut at the 1999 Frankfurt Show. This dramatic concept showed what an extreme off-roader might look like.

Based on a 90 chassis and built in-house by LR, SVX has an uprated Td5 engine, five speed gearbox with transfer box and lockable differential. Traction control and hill descent control are both fitted.

To cope with the most extreme terrain, SVX has a pneumatically operated lockable differential, the system also being able to inflate and deflate tyres on the move. Uprated race system springs with gas discharge shock absorbers all help to give SVX the longest wheel articulation of any Land Rover product.