Aston Martin is a British car manufacturer famous for its luxury sports cars. If taking all media into account Lara owns several of their cars.
Aston Martin Volante
The first time we see Lara owning an Aston Martin is in 1998 in the Top Cow Comic Witchblade Tomb Raider Special Vol.1, Issue 1. It is a red convertible, possibly an Aston Martin Volante.
Aston Martin Vanquish
In the first movie Lara Croft: Tomb Raider Lara is driving a silver Aston Martin Vanquish.