What is the difference between the Audi A3 40 TFSI and 45 TFSI models?

I'm trying to decide between purchasing the Audi A3 40 TFSI or the 45 TFSI. Can anyone explain the technical differences between these two models?

The main difference between the 40 TFSI and 45 TFSI models lies in the engine. The 40 TFSI comes equipped with a 2.0-liter four-cylinder engine, while the 45 TFSI has a larger 2.0-liter four-cylinder engine.

In terms of performance, the 45 TFSI has a higher horsepower and torque than the 40 TFSI. This means the 45 TFSI will have a quicker acceleration and more power for passing or merging on the highway.