One more time, in Drive! MPGomatic.com drops the hammer on a 40 MPG(!) 2012 Mazda3 SkyActiv for a 0-60 MPH acceleration test. This Mazda3 is equipped with the 2.0-liter I4 SkyActiv-G engine and six-speed SkyActiv-drive automatic transmission. The SkyActiv-G engine produces 155 horsepower (HP) and 148 foot pounds of torque. The model tested is a 2012 Mazda3 four-door Grand Touring sedan. Test performed in DRIVE, with Traction Control off.