A good friend of mine and long term VW/Audi fan has his 4.2 Audi A6 Allroad up for sale. Please see the following pistonheads advert if you're interested.

http://www.pistonheads.com/classifie...o-2004/1056606

Description from ad:
Also runs on LPG @ 70 pence per litre!
82000 miles (been in the family for 5 years)
Petrol/LPG (Dual fuel means lower road tax)
Automatic gearbox with steering wheel paddle shifters
Full Service History (including LPG conversion history)
4.2L V8 4-wheel drive
300bhp, 380Nm (280ft-lb) LPG does not affect performance or economy
Adjustable ride height for rough terrain. – Great for towing
Half-leather seats
Fully loaded spec (Front & rear parking sensors, electric/heated seats & mirrors, cruise control, dual zone climate control, trip computer, front & rear armrests, comfortably seats 5 adults, split/fold rear seats, ski hatch, huge boot, cargo net, towbar)
MoT until Oct 2013

Thanks