2. best buy.
3. car audio.
5. car fit guide.
6. enter year, make, model.
7. see all of the speakers types, sizes and brands that will fit your car.
8. next step, decide whats best for your budget and enjoyment level.
p.s. since i don't know exactly what audio system was installed in your car, you will need to remove the door panels, trim etc and measure your speakers to get the exact fit.