in order of pricing -->
pioneer, alpine, kicker.
in order of quality / performance (IMO) -->
Kicker, Alpine, Pioneer
Avoid sony IMO. My 2006 heep has some sony's in it and it sounds far worst than the pioneers i had placed in my 2006.
And more importantly, MATCH the RMS wattage / ohms.
I have never noticed a difference in performance of audio equipment in variable climates.