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7 Supercars So Unique There’s Only Ever Been One In The World

Updated January 24, 2018

These aren’t concept cars or from tuners, but actual one-off vehicles designed and constructed by their manufacturers to be driven on the road. Check it out:

Maybach Exelero

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Commissioned by Goodyear’s German arm, the Maybach Exelero is a one-off high-performance unique sports car that was constructed in 2004. The unique and eye-catching four-seater is powered by a 700 hp twin turbo V12 engine and was designed and built by Maybach on behalf of Fulda Tires (German division of Goodyear). Fulda is using this car as a reference vehicle to test a new generation of wide tires as well as a show piece for its latest products. The German luxury car manufacturer created the model as a modern interpretation of its legendary streamlined sports car from the 1930s.

Ferrari P4/5

ferrari P4-5 1

The Ferrari P4/5 by Pininfarina is a one-off sports car based on a Enzo Ferrari but redesigned by Pininfarina as the owner preferred the styling of Ferrari’s 1960s race cars. The project cost $ 4 million and upon seeing P 4/5 Luca di Montezemolo, the Chairman of Ferrari,  felt that the car deserved to be officially badged as a Ferrari and that its official name would be “Ferrari P 4/5 by Pininfarina”. The P4/5 has the same engine as the Enzo Ferrari, a 6.0L Ferrari V12.that produces 660 hp. The P4/5 uses the 6 speed semi-automatic transmission of the Enzo with black shifting paddles behind the wheel.

GM EcoJet

Jay Leno's Turbine-Powered EcoJet Concept Introduced at SEMA. X06SV_MS025

The GM Eco Jet was a collaboration between Jay Leno, his own crew, and the GM Advanced Styling Lab next door in North Hollywood. What Leno was looking to do was create a gas turbine car, like that evaluated by Chrysler in the 1960s, but with a completely unique and unmistakable design. Power comes for a 650 HP Lycoming-Honeywell LT-101 gas turbine normally used in helicopter applications. The turbine is mounted in a Corvette Z06 hydroformed aluminum frame with aluminum and magnesium structural and chassis components. The EcoJet body that the GM designers had styled is an advanced construction of carbon fiber of Kevlar.

Ferrari SP12 EC

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Ferrari enthusiast and sometimes rock god Eric Clapton ordered a 458 Italia, but wasn’t crazy about the styling. Clapton’s tastes run more to the 512 BB of 1976 – 1981 (back in his Slowhand era), so the SP12 EC was designed with those influences by Centro Stile Ferrari in collaboration with Pininfarina and built by the Ferrari Special Projects group. It utilities the 4.5 L V8 engine and seven-speed dual-clutch transmission from the 458 Italia, however many of the car’s technical details are considered confidential, whatever that means. Reports are the car cost Clapton $4.7 million.

Lamborghini Aventador J

lamborghini-aventador-j-02

The one-off roofless, V12-powered Lamborghini supercar sold immediately after it was first shown for about $2.8 million. Lamborghini declined to reveal the identity of the buyer. The Aventador J packs 691 hp from the same 6.5-liter engine as the standard Aventador and is painted in Rosso Red. It makes extensive use of carbon fiber, including a patented material called “carbon skin” for the interior. The car is so extreme that the driver must wear a helmet (and passenger, one assumes), even when driven on public road, Lamborghini says.

Ferrari GG50

Ferrari-GG50

To commemorate a half-century spent as a world-renowned Ferrari designer, Giorgetto Giugiaro was allowed to design the Ferrari of his dreams. The resulting car is appropriately-named GG50. Hand-formed using a 612 platform and boasting a 540hp V12, it’s a clever blend of classic Ferrari design cues and futuristic whimsy. No wonder Signore Giugiaro looks so happy.

Porsche 935 Straßenversion
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Back in the late ’70s and early ’80s, Porsche 935s ruled the sports car world. In fact, in 1979 they finished 1-2-3 at Le Mans. Porsche started offering the flat front fenders and larger rear wing as special options, but when the owner of TAG (as in TAG Heuer) ordered his Porsche he wanted a road-going race car. Porsche fitted a bare shell with all race components, including a 400 hp motor, then filled the interior with creature comforts.

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Chris Riley
About Chris Riley

I have been wrecking cars for as long as I've been driving them but I keep coming back for more. Two wheels or four, I'm all in. GearHeads.org gives me a chance to give something back to the automobile community.

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