The 2005 Toyota Celica is a 3-door, 4-seat Hatchback, available in 4 trims, ranging from the GT (M5) to the GTS (A4). Upon introduction, the $17,670 GT (M5) is equipped with a standard 1.8L, 4-cylinder, engine that achieves 27-mpg in the city and 33-mpg on the highway. a Manual transmission is standard. The $23,035 GTS (A4) is equipped with a standard 1.8L, 4-cylinder, engine that achieves 25-mpg in the city and 31-mpg on the highway. an Automatic transmission is standard.