Carbon fiber panels drop this Soarer's weight to 2,600 pounds, this rocket doesn't need much power. Fortunately, it has 950 ponies.

AutoBahn's incredible Soarer proves the big GT can turn 53-sec. laps at Tsukuba.

Power and weight show how they impact performance in this close battle between a GT2 RS and a 991 Cup at the high-speed Paul Ricard.

Big power aids on straights, but weight aids in slow corners. It's a heated duo.

Bradley Cook slides a Camaro around Thunderhill on a set of worn tires in pursuit of a Porsche GT3 RS.

With a softer brake release, he manages to keep in touch with the much quicker Porsche.

When Randy Pobst took this beast to Road Atlanta, he had no difficulty beating the Corvette lap by almost 2 seconds.

Check out the video of Randy Pobst's flying lap that took the lap record from Corvette.

The all-new Audi DTM engine punches weigh above its 187 lbs, producing up to 640 horsepower.

The development process took Audi DTM engineers over 2.5 years for design and testing.

Propelled by a 220-hp Hayabusa engine, this 1,050-lb TracKing TT01 is fast, affordable, and even friendly.

Though the TT01 was built for hillclimbing, Adam Auerbach has modded his for time trials.

Super Sebring, the Spring Break for race fans, saw the FIA WEC 1000-Miles and IMSA 12-Hours run on consecutive days at the iconic track.

Corvette was there!