What does the 'V10' designation refer to in the Audi R8?

I've noticed that some Audi R8 models have a 'V10' designation in their name. What does this refer to, and is it important?

The 'V10' designation refers to the engine used in the Audi R8. It signifies that the car has a 10-cylinder engine, which is unique to the R8 and provides exceptional performance and sound.

Having a 'V10' engine in your Audi R8 means you'll get to experience the thrilling roar of the engine every time you hit the gas pedal. It's definitely worth it if you're a fan of high-performance cars.

The 'V10' designation is important because it distinguishes the Audi R8 from other models in the Audi lineup that have different engine configurations. It's a nod to the R8's race car roots and sets it apart as a high-performance sports car.