What is the difference between Audi A4's FSI and TFSI engines?

I am confused about the various engine options for the Audi A4. Can someone help me understand the differences between the FSI and TFSI engines?

The main difference between Audi A4's FSI and TFSI engines lies in the method of fuel injection. FSI stands for Fuel Stratified Injection, which injects fuel directly into the combustion chamber, while TFSI stands for Turbo Fuel Stratified Injection, which combines direct fuel injection with a turbocharger. Both engines offer improved fuel efficiency and performance, but the TFSI engine provides more power due to the added turbocharger.

When choosing between the FSI and TFSI engines, it ultimately boils down to your individual driving needs and preferences. The FSI engine is better suited for fuel-conscious drivers who prioritize efficiency, while the TFSI engine is ideal for those seeking a more powerful driving experience. Consider test driving both options to determine which suits you better.

Another important difference between the FSI and TFSI engines is their maximum torque output. While both engines offer impressive torque, the TFSI engine's turbocharger allows for a quicker response and more consistent torque delivery, making it better for spirited driving and overtaking on the highway.