You might want to look into some detailers in your area. Or if you're a DIYer, do some searches here.
A new car prep would be great for you, as a lot of the cars that dealers keep are in pretty rough condition and need a good claying and polishing. Chances are a wash and a wax won't quite cut it for even a brand new car.
'11 BMW E92 ///M3 - ZCP and DCT
'15 Ford F-250 - Lariat, 6.7 Powerstroke Turbo-diesel