The 2012 Mazda Mazdaspeed3 has a 6-speed manual.
The 2012 Mazda MAZDA2 has a 5-speed manual.
The 2012 Mazda MAZDA5 has a 6-speed manual.
The 2012 Mazda MAZDA6 has a 6-speed manual.
The 2012 Mazda MAZDA3 has a 5-speed manual.
The 2012 Mazda CX-9 has a 6-speed shiftable automatic.
The 2012 Mazda MX-5-Miata has a 5-speed manual.
The 2012 Tesla Model-S has a 1-speed direct drive.
The 2012 Mazda Mazdaspeed3 has 16 valves.
The 2012 Mazda MAZDA6 has 16 valves.
The 2012 Mazda MAZDA2 has 16 valves.
The 2012 Mazda MAZDA3 has 16 valves.