If you go off-road in a van, you'll probably be wanting to get back on it at some point. This function used to be the arena of specialist 4x4 LCVs, however Citroen offers a cheaper, lighter alternative to all-wheel-drive on its Berlingo van.
It's called the XTR+ and comes with a limited slip-differential that transfers up to 75% of power between the front wheels for extra traction. You also get beefed up suspension, higher ride height and more suitable tyres. If you don't believe me here's the ruddy video road test...