Need name of movie!

II think it was a horror, a group of teenagers go on a car journey and on the way theres lots of disasters, crashing, having to speed over a gap in the road (vague memory) and end up at a big old house with lots of zombies/skeletons not sure… the key bit i remember is it starts with the teenagers in a shop and a girl steals some stuff and they have to drive off quickly. Anyone?