Volkswagen TSI vs TFSI: What’s the Difference?
So what really is the difference between the TSI vs TFSI? The short answer is, not a lot, but there are some minor differences. For starters, TSI stands for “Turbo Stratified Injection” and “FSI” stands for “Fuel Stratified Injection”. These apply to both Volkswagen and Audi direct fuel injection engines. Believe it or not, TFSI…
