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Forget the Ariel Atom 500 V8, Here’s the 700 HP Quantum GP700

Launched at Gisborne Peak Winery in Victoria, Australia, the Quantum GP700 is even more mental than the Ariel Atom 500 V8. Try to visualize a Caterham Seven with five AIM-9 Sidewinder missiles glued to its body and it’s still not enough to compare it to the mind-bender from the Land Down Under.
Quantum GP700 11 photos
Photo: Quantum Performance Vehicles
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So the Ariel Atom 500 weighs 550 kilograms (1,213 lbs) and utilizes a 3-liter John Hartley designed V8 with 500 horsepower. Power-to-weight ratio? 909 HP/tonne. 0 to 60 mph (96 km/h)? Less than 2.3 seconds. Compared to the British interloper, the Quantum GP700 uses a 2.7-liter four-banger with twin superchargers for a total output of 700 horsepower and 482 lb-ft (653 Nm) of RWD torque on tap.

Thanks to a six-speed Holinger sequential transmission, cog swapping is motorsport-grade quick, although 0 to 60 mph is dealt 0.1 seconds slower than the Atom 500. The extra tenth can be explained by the 700 kilograms (1,543 lbs) the Quantum GP700 weighs, but here’s the catch: power-to-weight is an incredible 1:1, a ratio that the Koenigsegg Agera One:1 can also boast with. It's mind-boggling stuff, alright.

Extensive aerodynamic trickery, track-centric suspension and ultra-grippy rubber complement the low weight and gargantuan output of the four-cylinder engine. According to Quantum Performance Vehicles, the Aussie machine offers 1G of downforce and pulls 1.9Gs in slow speed corners. It’s an incredible package that gives full-fledged hypercars a roundhouse kick in the teeth because why the hell not?

Production is ultra limited, but that’s to be expected from a track-oriented breed with an aluminum & carbon fiber chassis. Estimated price? Around $700,000 at current exchange rates. That’s a small price to pay for 2.5Gs in corners taken at 112 mph (180 km/h). To boot, this car is theoretically able to drive upside down on the ceiling of a tunnel at 174 mph (280 km/h). Physics are awesome!

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About the author: Mircea Panait
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After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well.
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