A:AnswerThe double din radios fit every car only issise I had was I had to buy a separate dash piece so it looked better! Should be golden! Btw the radio itself is on awesome! I love it!
A:AnswerYes you can hook an amp up as it has. Front rear and sub outs on the back. You have to purchase an additional adapter for navigation to my knowledge but if you use an iPhone maps will work thru the head unit as display such. Not sure about android but
A:AnswerIt does have the ability to work with the steering wheel controls however I am not sure if the stock back up camera will be compatible it will depend on how it connects
A:AnswerAs far as I know you will not loose anything you need to make sure that you get all the necessary adapters. It may be worth it too have them install it very nice radio you should like it.