FYI if you have a GM Card earnings, you get up to 1k off the Price.

[skeeter]

Yes it can be combined. Your GM card earnings, can be taken off your best deal you can make with the dealership. Make your deal first, then Present your GM card for your additional discount. Ofcourse you have to have the dollers earned. You earn 5% for each doller charged on you GM card, towards the purchase of a new GM car, or truck.