RE: How many quarts ?
It depends on the skil of the painter ~ ask him . if _you're_ going to paint it , I'd buy two quarts and mix them as I'm a terrible painter and would expect to have to go back and re-do part of the job
Mixing the two ensures ALL of the paint will match , helpfull for touch - ups when you scratch the heck out of the passenger door whilst installing the seat...
-Nate