The 1.5-liter powerplant will be the first mass-market gasoline-fueled mill to use variable turbine geometry (VTG) for its turbo. Versions with 129 horsepower and 148 horsepower will arrive in ...

Porsche will be celebrating the turbo's 100-year anniversary a little late when it introduces the next 911 Turbo sometime next year with Variable Turbine Geometry.

Even though the older powertrain was also a 1.5-litre powertrain, the most significant update is that the new engine is now equipped with a variable-geometry turbocharger and not a fixed-geometry ...