	At the heart of the Polo GT G40 was its 1.3 litre G40 engine (engine ID code: PY). It displaced from a cylinder bore of , and a piston stroke of . The G40s 'G-Lader' supercharger had a displacer width of , hence the "G40" name. This G40 engine produced a maximum power output of at 6,000 rpm, and torque of at 3,600 rpm.