What are the key differences between the Audi A8 50 TDI and 55 TFSI engine models?

I am considering purchasing an Audi A8, but I am unsure of which engine model to choose. Could you provide an overview of the main differences between the 50 TDI and 55 TFSI models?

The key difference between the Audi A8 50 TDI and 55 TFSI engine models lies in their fuel type. The 50 TDI utilizes diesel, while the 55 TFSI runs on gasoline. This can affect factors such as fuel efficiency, emissions, and overall performance.

In terms of power, the Audi A8 50 TDI has a maximum output of 286 horsepower and 600 Nm of torque, while the 55 TFSI offers 340 horsepower and 500 Nm of torque. This means the 55 TFSI may provide a more dynamic driving experience.