What is the main difference between the Audi A1 and A3?

I am considering purchasing either an Audi A1 or A3, but I am unsure of the key differences between the two models. Can anyone provide some insights?

The main difference between the Audi A1 and A3 is their size. The A1 is a compact hatchback, while the A3 is a larger sedan. If you prioritize agility and maneuverability, the A1 would be a better choice. However, if you need more space and comfort, the A3 might be a better option.

One major difference between the Audi A1 and A3 is their engine options. The A1 offers a 1.0L, 1.4L, or 2.0L engine, while the A3 has a 1.4L or 2.0L option. If you prefer a smaller engine for fuel efficiency, go for the A1. But if you want more power and performance, the A3 might be the way to go.