The 2010 Mazda Mazdaspeed3's engine produces 263 hp @ 5500 rpm.
The 2010 Mazda MAZDA5's engine produces 153 hp @ 6500 rpm.
The 2010 Mazda MAZDA3's engine produces 148 hp @ 6500 rpm.
The 2010 Mazda MAZDA6's engine produces 170 hp @ 6000 rpm.
The 2010 Mazda CX-9's engine produces 273 hp @ 6250 rpm.
V6 engine - 210 horsepower , V8 engine - 315 horsepower
The 2010 Mazda MAZDA5 has an inline 4 engine.
The 2010 Mazda MAZDA6 has an inline 4 engine.
The 2010 Mazda Mazdaspeed3 has an inline 4 engine.
The 2010 Mazda MAZDA3 has an inline 4 engine.
The 2010 Mazda CX-9 has a V6 engine.
There is no increase in horsepower for the 2010 Corvette engines