Most Audis saddled with the Volkswagen Group's ubiquitous 2.0-liter turbo engine are marked as 45 TFSI, but what all does that mean? TFSI is an acronym that stands for Turbo Fuel Stratified Injection, ...

As for the rest of the new Touareg, for us it remains the pick of the VW Group SUV bunch. It has the quality and premium touches others in the Group offer, and where some of those feel they are ...

The numbers placed before TFSI don't actually mean anything outside the world of Audi's own numerical structure. Audi decided to make the numbers represent different ranges of power outputs.