What does the 'V10' mean in the Audi R8 V10?

I've seen the 'V10' in the name of the Audi R8, but what specifically does it refer to?

The 'V10' in the Audi R8 V10 refers to the type of engine used in the car. It is a V10 engine, meaning it has 10 cylinders arranged in a V-shape.

The 'V10' in the name of the Audi R8 V10 is a direct reference to the car's engine displacement, which is 5.2 liters or 318.5 cubic inches.

The 'V10' in the Audi R8 V10 denotes that it is the top-of-the-line trim level in the R8 model range. It is equipped with a more powerful V10 engine compared to the base V8 model.