Xander goes on a road trip
You've heard this tale before
But now listen to the twist
He gets *your* car; no more.
Go out to your garage, driveway, street, front yard on blocks; wherever you keep your automobile. Take an inventory. Include everything, seats, seat belts, maps in the glove compartment, gallons of gas (or litres of petrol).
Next, Xander goes on his road trip and gets sucked through a portal. He has the clothes on his back, his wallet, one stake, and your car (e.i. not his uncle Rory's car).
Where he ends up is up to you, just so long as ...