Inspect for leaks around the doors and rear windows.
A turbocharged 4-cylinder making 310 hp . It offers the best fuel economy (up to 32 mpg highway) but is often criticized for a less exciting engine sound.
Check the door handle and side airbag recalls specifically for this year. Current Market Value 2015 Ford Mustang Reviews, Ratings, Prices
The enthusiast choice with 435 hp . It features a "throaty" exhaust note and hits 0-60 mph in roughly 4.9 seconds.
Early 2.3L engines may have been fitted with incorrect gaskets; check for coolant leaks or repair history.
Frequent reports of AC compressor failures and evaporator leaks.