What kind of engine does the Audi RS7 come with?

I am looking to purchase an Audi RS7, can anyone tell me about the engine specifications and the different drive modes available?

The Audi RS7 is equipped with a 4.0-liter twin-turbo V8 engine, producing 591 horsepower and 590 lb-ft of torque. It has four different drive modes - Comfort, Auto, Dynamic, and Individual - for customizable driving experiences.

The Audi RS7 is powered by a 4.0-liter twin-turbo V8 engine, which delivers 591 horsepower and 590 lb-ft of torque. It also has an 8-speed automatic transmission and all-wheel drive for ultimate performance.

The Audi RS7 has a powerful 4.0-liter twin-turbo V8 engine that produces 591 horsepower and 590 lb-ft of torque. It also comes with Audi's Quattro all-wheel drive system for improved handling and traction.