What is the difference between the Audi A7 Quattro and S7 models?

I am interested in purchasing an Audi A7 but I'm confused about the different models available. Can you explain the technical differences between the Quattro and S7 models?

The main difference between the Audi A7 Quattro and S7 models is in their engines and performance capabilities. The Quattro model is equipped with a 3.0L V6 engine, while the S7 has a 4.0L V8 engine. This results in a higher horsepower and torque output for the S7, making it a more powerful and responsive option for those who value performance. However, the Quattro model offers a slightly higher fuel efficiency.

In addition to the engine differences, the S7 model also features upgraded suspension, brakes, and exhaust systems for a smoother and more dynamic driving experience. It also comes with Audi's Quattro all-wheel-drive system as a standard feature, which can provide better handling and traction in various road conditions.

Ultimately, the choice between the Audi A7 Quattro and S7 models depends on your personal preferences and driving needs. If you prioritize performance and don't mind sacrificing a bit of fuel efficiency, then the S7 may be the better option for you. However, if you value a balance between performance and efficiency, then the Quattro model may be a better fit.