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Einstein once said that doing the same thing over and over again and expecting different results was the very definition of insanity; obviously he never studied lap times. In fact, we’ll take the track over studying the theory of relativity any day. It’s a place where man, machine, competition and speed are all brought together in the perfect recipe for adrenaline and addiction.
That is, if you have the right steed for the job. The intensity of the track — going hell for leather, drivers subject themselves to incredible G-forces, set brake discs aglow and lay apexes asunder in the relentless pursuit of perfection — makes for a set of specialized vehicles that eschew all else for pure speed and handling. These full-sized go-karts are, indeed, insane (thanks, Einstein) in their ability to both shred chicanes and punch gaping holes into your wallet. Whether your wallet can handle that or you’re just dreaming, here are our picks for the five best track cars around.
SOME OTHER QUICK WHIPS: Lamborghini Gallardo LP550-2 Spyder | Mercedes Benz SLS AMG | Porsche Cayman R | Aston Martin V12 Vantage Carbon Black Edition
Ariel Atom

Best for the Gran Turismo graduate: If you’re looking for a quick and easy plastic surgery referral, the Ariel Atom is a pretty safe bet. It has no roof, no doors, no true windshield nor anything resembling body work aside from a nose cone and some fenders. What it does have, however, is the ability to accelerate faster than a Ferrari Enzo and handle more lateral Gs than a Porsche GT3, leaving you looking like the happiest dog in the world with his head outside the window.
Powered by your choice of a high-revving Honda 2.0-liter four-pot with 245 hp (Atom 3), or a supercharged version that ups the ante to 310 hp (Atom 3.5), the Ariel Atom takes go-kart design philosophy to the ultimate level. A fully adjustable suspension comprised of a double unequal-length wishbone set-up with monotube dampers keep the 1,350 pound rocket planted more firmly than a Redwood when it hits the corners, and the quick and intuitive steering rack (only 1.7 revolutions to go lock-to-lock) provides incredible feedback to keep you between the white lines. If 600 hp per ton somehow isn’t enough to raise your eyebrows, We’re pretty sure the 500 hp V8-powered version should do the trick. Starting at just over $56,000, the Ariel Atom could be the biggest bang for your buck in the entire automotive world — just make sure to put some cash aside for a full-face helmet, or a face lift.