A:AnswerYes, but you're only going to get half the performance due to the RMS rating of the amp.
If you can, go 1200.1
Plus the amp isn't maxed out causing some distortion
A:AnswerI got it to fit into my 2005 dodge neon it wasn't easy buy I sorta squeezed it in. I'm sure it'll fit into a grand am you can always do measurements of your trunk opening also