Oh thats a hood car where im from thats pretty tight, in los angeles especially in the hood i see that all day, a lot of people got beat on them too and they smash.
Why not 2 15 subs they have more cone area than 4 10 and with the same amp, technically should be louder than 4 10.
You need to find out if you can fit atleast 7-8 cubes total in your trunk, heck even 3 twelves will be louder than 4 10 but space has to be right.