The 2012 Mazda 3 is a sporty compact sedan and hatchback. A five-speed manual transmission comes standard, while a five- or six-speed automatic transmission is optional. Its Skyactiv engine, which was introduced in the 2012 model year, promises excellent fuel economy for both city and highway driving. Tech lovers might be more interested in the 2013 model, which was when the touch-screen navigation system was introduced. Drivers interested in the Mazda 3 2012 should also consider the similar 2012 Chevrolet Cruze or 2012 Ford Focus. Find a Mazda 3 2012 for sale using Kijiji Autos' large inventory of new and used compact cars.