Complex sentence: It is powered by a 4.6 liter V8 engine, the engine is built on the same architecture as the one used in the RS Spyder Le Mans Prototype racing car without any engine belts.
Split into simpler sentences: It is powered by a 4.6 liter V8 engine. The engine is built on the same architecture as the one used in the RS Spyder Le Mans Prototype racing car without any engine belts.