The 2006 Subaru Baja is a 4-door, 4-seat Regular Side, available in 5 trims, ranging from the Sport (M5) to the Turbo w/Leather (A4). Upon introduction, the $22,495 Sport (M5) is equipped with a standard 2.5L, 4-cylinder, engine that achieves 21-mpg in the city and 27-mpg on the highway. a Manual transmission is standard. The $27,495 Turbo w/Leather (A4) is equipped with a standard 2.5L, 4-cylinder, engine that achieves 18-mpg in the city and 23-mpg on the highway. an Automatic transmission is standard.