A Volvo XC90 that has just done 300K miles. Had it from new in 2004 and paid about £38k for it. It's probably worth about 38p now, or £90 with a full tank.
If you're interested here's my story on the Volvo Forum:
https://www.volvoforums.org.uk/showthread.php?t=297383
As it says, it has to be...