The XJ13 would have become the first mid-engine supercar if different events had occurred instead of the Lamborghini Miura becoming the first mid-engine supercar. The people began developing a new racing car which would have included street-legal versions during the early 1960s but only one prototype existed until 1966.
The vehicle lost its ability to compete against the Ford GT40 which won Le Mans 24 Hour races every year until 1969. The project had to stop because the 5.0-litre V12-powered XJ13 performed only high-speed tests until its 1971 crash during a filming session. The British Motor Museum at Gaydon displays the vehicle today which underwent complete reconstruction to show what could have happened instead.
The Bold and Bizarre Vauxhall XVR Story (1966)
People who see a four-cylinder Vauxhall vehicle as a supercar need to learn about the special case. The company built a product that stands apart from its entire history because it included two seats and a clamshell bonnet and a rear-hinged tail and two doors which opened upward with glass that functioned as side windows and half the windscreen.
The engineers lobbied for a more conventional gullwing arrangement, but the styling department said no. The only operational prototype of this vehicle which achieved movement out of three total prototypes used Vauxhall's slant-four engine as its main power source but a smaller engine was used during the car's first public appearance at the 1966 Geneva Show.
The object became a target for axe attacks during its exhibition in Canada which led to its destruction. The company followed its own regulations to dismantle one of two fiberglass-body non-operational vehicles but Vauxhall Heritage Collection now holds the other vehicle.
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The Bold Vision of the Alfa Romeo Carabo (1968)
The Alfa Romeo statement about Marcello Gandini states that he abandoned traditional design tools because of his preference for using a ruler to create the Carabo wedge-shaped design which he created for Bertone. The vehicle used the 2.0-litre V8 engine, which it shared with the Tipo 33 race car, to create a design that originated from the Alfa 33 Stradale but used more pronounced curves throughout its body.
Gandini developed scissor door technology during his work on the design process which later appeared on many supercars that reached the market. The Lamborghini Countach featured visual elements that matched the Carabo design from multiple different aspects.
1969 Chevrolet Aerovette: Ahead of Its Time
In 2019 Chevrolet introduced its first mid-engine Corvette model to the market. The 1960s saw engineers attempt to create mid-engine sports cars through their work on the Aerovette project. Zora Aarkus-Duntov, the designer behind this project, created the American supercar prototype which moved the concept forward into new territory.
The system used two rotary engines which produced 420bhp of power to create a vehicle with exceptional performance capabilities and minimal weight. The project faced difficulties because John DeLorean, Chevrolet's general manager, canceled the project due to its expenses yet he revived it in 1970 when he needed to compete against the Ford-backed De Tomaso Pantera for a motorshow demonstration.
The Aerovette project failed to reach production because research showed that existing Corvette drivers strongly opposed the mid-engine design.
Exploring the Mercedes-Benz C 111 (1969) Concept Car
Mercedes built several examples of the mid-engined, gullwing-doored C 111 sports car in nine years. The supercar classification almost makes this vehicle a production model because none of the vehicles were designed for sale to customers.
The first 11 used rotary engines which included three-rotor engines that generated approximately 280bhp and four-rotor engines that produced approximately 350bhp, which gave Mercedes enough evidence to conclude that rotary engines did not provide a realistic development path.
The later models used turbo diesel engines as their power source and achieved numerous speed records during two testing periods at the Nardo test facility in Italy. Some cars were also converted to take naturally-aspirated 3.5-litre and twin-turbocharged 4.8-litre petrols V8s. The C 111 achieved a top speed of 250mph because its engine produced almost 500bhp.
Ferrari Modulo: A 1970 Vision of the Future
The Modulo is the most advanced-looking Ferrari design among all of its previous models. The car started its life as a racing vehicle which belonged to the 512 S sports racing cars that had been produced in 25 units. Pininfarina acquired the vehicle after its competitive performance ended and Paolo Martin (born 1943) created new designs for the vehicle.
Martin created a body design which used a wedge shape that extended downwards to hide all four wheels and he selected a sliding glass canopy as the entrance solution which replaced traditional doorways. The Modulo was only ever intended to be a show car but it was restored more than 40 years after its first appearance and took to the road for the first time in 2018.
