Why do some Audi A3 models have different engine sizes?

I've been looking at different Audi A3 models and noticed that some have a 1.4L engine while others have a 2.0L engine. What's the reason for this difference and how does it affect the performance of the car?

The reason for varying engine sizes in Audi A3 models is due to the different trim levels and options available. The 1.4L engine is typically found in the base model while the 2.0L engine is often an upgrade option. However, don't assume that a smaller engine means less power. In fact, the 1.4L engine uses a turbocharger to deliver a surprising amount of horsepower.

Engine size also affects the fuel efficiency of the car. In general, smaller engines tend to be more fuel efficient but sacrifice some power. So if fuel efficiency is a top priority for you, then you may want to consider the 1.4L engine. But if you want a bit more power and don't mind a slightly lower fuel economy, then the 2.0L engine might be a better fit.