What is audi 4.2 v8?

The Audi 4.2 V8 is a high-performance engine produced by Audi AG. It was first introduced in 1998 and has been used in various Audi vehicles including the RS4, S4, A6, and R8.

The 4.2 V8 engine is a naturally aspirated, 90-degree V8 engine with four valves per cylinder. It has a displacement of 4,163 cc (4.2 liters) and produces around 414 horsepower and 430 - 440 Nm of torque, depending on the specific model and tuning.

The engine is known for its smooth power delivery, high-revving characteristics, and distinctive V8 exhaust note. It is often praised for its performance capabilities and reliability.

In the RS4 and R8 models, the 4.2 V8 engine is typically paired with Audi's quattro all-wheel-drive system, providing excellent traction and handling in various driving conditions.

Overall, the Audi 4.2 V8 engine is a well-regarded and highly acclaimed powerplant that has been a favorite among enthusiasts and critics alike.