The G family of Mazda engines is a family of large straight-4 piston engines. The series started at 2.6 L for the Mazda B-Series truck from '89-'93. Prior to that, a 2.6 L Mitsubishi engine was used.
G54B
The 2.6 L Mazda G54B was actually a Mitsubishi engine . It displaced 2555 cc and was used in the B2600 pickup from 1986-1988.
G6
Mazda replaced the G54B with its own 2.6 L G6 engine which displaced 2606 cc. It was used in the B2600 pickup from 1988-1995.
G5
The 2.5 L G5 was an evolution of the G6. It was used in the 1995 Mazda MPV.
GY
The 2.5 L (2494 cc) GY was the final G engine.
Applications:
See also
