What do Audi TFSI and Volkswagen TSI mean?

1 Answers
DavidFitz
07/30/25 1:51am
Here are the detailed introductions: 1. TFSI: TFSI adds a turbocharger on the basis of FSI, which can further improve the fuel economy and power performance of the engine. It is currently used more in Audi models. 2. TSI: TSI refers to a direct-injection engine with dual supercharging (turbocharging + mechanical supercharging) and fuel stratified injection technology abroad. However, after entering the domestic market, due to a series of reasons such as fuel quality, environmental policies, and consumption levels, it eventually became a single turbocharged fuel stratified injection engine.
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