Do you know if Ford and Pontiac wheels are interchangeable?

I am selling my 03 cobra 17x9 wheels, will they work on a Pontiac Grand Prix. Is the lug pattern the same?
thanks
Scott

I recall the Mustang wheel bolt pattern is 5 X 114.3. The GP is 5 X 115. There are GP owners running Mustang wheels.

The only concern I would have is the rim width and the wheel offset. Don't want to be banging against the brake caliper or rubbing on the inner fender once the tires are fitted. Best thing to do is try 'em on.