Why does the Audi A4 2.0 TFSI engine have a turbocharger?

I noticed that some Audi A4 models have a 2.0 TFSI engine with a turbocharger, while others have a 2.0 TFSI engine without one. What is the purpose of the turbocharger and how does it affect the performance of the car?

The turbocharger in the Audi A4 2.0 TFSI engine is designed to increase engine power by compressing the incoming air, which results in more oxygen available for fuel combustion. This leads to better engine performance and acceleration.

The turbocharger also helps improve fuel efficiency in the Audi A4 2.0 TFSI engine by allowing the smaller engine to produce the same power as a larger naturally aspirated engine. This means you can enjoy both power and efficiency in your car.

However, it is important to note that the extra power generated by the turbocharger can put more strain on the engine, so regular maintenance and proper usage are key to ensuring the longevity of your Audi A4's engine.