The Porsche 911 GT3 RSR 4.0 race car has a 6-cylinder engine that raves a 4-liter displacement- the largest of all 911 engines. It’s forged with some parts in titanium and is able to pump out 500-horsepower and has the match of 460 Newton meters at 5,750 RPM with little difficulty. The car’s bucket seats, along with its front wings and hood are fabricated out of carbon fiber. Made out of carbon fiber are the front wings, hood and bucket seats. Instead of glass, plastic variant of it went into the rear windows. The rear windows are made out of a plastic variant and this beauty even has light interior carpeting.