The higher the score, the cleaner the vehicle's emissions are.
2012 Mazda Mazda3 Overview
The 2012 Mazda3 lineup includes six models using three engines, four transmissions, and two body styles. The five-door hatchback is usually $500 more than the four-door sedan. The well-equipped base Mazda3 i SV 4-door ($15,200) uses the older 2.0-liter engine and 5-speed manual transmission; it has power windows and steering-wheel controls, but lacks air conditioning and power locks. The Mazda3 i Sport sedan adds air conditioning, power locks, remote keyless ignition and comes with the 5-speed manual ($16,845) or the 5-speed automatic ($17,695).