Audi R8 Engine
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The Audi R8 sports car features all wheel drive, a longitudinal, mid-engine layout, room for just two people and a price tag that starts at $114,200.
When it was introduced in 2006, the R8 carried a 4.2 liter, aluminum, V8 engine with 32 valves and fuel-stratified injection (the fuel is injected into each cylinder). It delivers 414 horsepower and 317 lb-ft. of torque. It used double overhead camshafts and variable valve timing. In 2010, Audi increased the horsepower to 428 and the torque to 317 lb-ft. This engine can power the car from zero to 62 mph in 4.8 seconds.
Alongside the V8, Audi began offering a 5.2 liter, V10 in 2008. The V10 develops 525 horsepower and 391 lb-ft. of torque. The two banks of five cylinders have a 90 degree angle between them. The compression ratio is a surprising 12.5:1. This engine and the 4.2 V8 both have die-forged steel crankshafts for extra strength. The V10 has 40 valves, four per cylinder. The double overhead camshaft is driven by two chains. Since this is a ‘V’ configuration, there are actually four camshafts, two per cylinder bank. The engine uses variable valve timing for both intake and exhaust. The V10 engine shares some design features with the Lamborghini Gallardo. The R8 with the V10 goes from zero to 62 mph in 3.9 seconds. The Environmental Protection agency rates this engine at 12 mpg in the city and 19 mpg on the highway.
These exotic power plants make excellent replacement engines. They’re so well-made that the buyer can count on many years of service. It’s a good idea to make use of an engine broker when buying a used engine. The broker will make sure the dealer is reputable reliable. However, due to the high end design of this car, only use a well qualified repair shop. Not just anyone can work on this car. Also, if possible go and look at the doner vehicle the engine is being removed from, verify the VIN and only pay with a credit card, no cash or wire transfer.