Audi 80 Quattro Coupe Rally Car – Drive Safe and Fast

Cars

Published on February 17th, 2016 | by Admin

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Audi 80 Quattro Coupe Rally Car

This was the rally legend. 302bhp, 2133 cc DOHC 20-valve alloy-block inline five-cylinder engine with a KKK-K27 turbocharger and Bosch electronic fuel injection, five-speed manual transmission, Quattro all-wheel drive, four-wheel independent coil-spring suspension with front and rear anti-roll bars, and four-wheel ventilated and slotted AP four-piston racing disc brakes with selective ABS. Wheelbase: 86.8 in.


The introduction of Group B into the World Rally Championship in 1982 resulted from an evolution that was dictated by a general industry move from rear to front-wheel-drive cars, and it proved revolutionary, with seven victories. Contenders now had three classes from which to choose, Group N (standard production cars), Group A (modified production cars), and the almost immediately notorious and virtually unbridled Group B (modified sports cars).

Most notably, Group B allowed Audi to compete with its still-new Quattro all-wheel-drive system, which was an obvious boon on varied rally stage surfaces. The permanent all-wheel-drive system debuted in the Audi 80-based Quattro Coupe in 1980, and it quickly came to define the brand. Furthermore, FIA Group B homologation rules meant that only 200 road going examples of each car were necessary for sale to the public. These light regulations made for intensely competitive racing, since automakers were no longer required to build racing cars based on mass production models but vice-versa.

Audi campaigned what was essentially a Group 4 Quattro for the first couple of years, before engineers in Ingostadt, Germany, unleashed a wildly different model, which is now christened Sport Quattro. Although the Ur-Quattro (“original Quattro” to German enthusiasts) was a dominant force due to its permanent all-wheel-drive system, its heavy monocoque chassis, long wheelbase, and balance issues caused by its longitudinally mounted engine proved to be hindrances against such purpose-built racers as the Lancia 037.

Audi’s engineers were tasked with developing a new model that would address these concerns, and this was something they did in secret, far from the company’s road car operations. With its wheelbase shortened a meaningful 12.6 inches between the B- and C-pillars, the Sport Quattro was not only significantly shorter than the standard Quattro found in showrooms, but it’s steel monocoque shell, which was built off site by Baur, also featured numerous GRP and carbon-Kevlar panels to further trim weight. As such, there was very little shared with serial production Audis (although a more upright windshield that had been cribbed from the workaday Audi 80 alleviated early visibility concerns).

Under the hood, a downsized 2,133-cubic centimeter, five-cylinder alloy-block engine that featured four valves per cylinder was turbocharged to the tune of around 450 brake horsepower in competition tune. A massive KKK-K27 turbocharger rated at 17 psi (1.05 bar) meant that the car’s engine displacement actually required reduction in order to comply with FIA regulations. Even so, the Sport Quattro competed against cars in the 3,000-cubic centimeter category. It was capable of sprinting from a complete stop to 60 mph in just 4.8 seconds, making it one of the quickest cars ever built for road use when it debuted. AP four-piston racing brakes that had been ventilated and slotted, as developed for the Porsche 917, ensured that extraordinary stopping power was available when needed.

Even if one ignored those impressive numbers, the introduction of the Sport Quattro was still in many ways a watershed moment for rally racing. With the world’s top drivers on its roster, including the likes of Stig Blomqvist, Hannu Mikkola, Michèle Mouton, and Walter Röhrl, Audi Sport dominated the WRC throughout the 1984 season. The Sport Quattro’s last win came at the hands of Stig Blomqvist and Björn Cederberg, who raced one in early November 1984, at the Rallye Côte d’Ivoire in Africa, where the team also claimed the manufacturers’ title. This outright dominance cemented the car’s legendary stature in WRC rallying.

Audi built a mere 214 Sport Quattros, most of which were sold to select customers via specialized dealers. In Germany, the car ultimately retailed for more than 200,000 Deutschmarks, which was a substantial sum that bought owners more than a taste of competition-proven performance. The road going models boasted a more reasonable 302 brake horsepower and 258 foot-pounds of torque, but they were no less aggressive to drive than their racing counterparts. Advancements like a selectable ABS system allowed drivers to specifically tailor the vehicle to a variety of road conditions.

With their nine-inch-wide Ronal alloy wheels, the Sport Quattro had a light but darty demeanor that proved daunting for novice drivers, and as contemporary media reviews indicated, its turbo-lag was profuse but workable, making the car hardly forgiving to drive. The Sport Quattro commands as much respect for its hidden technology as it does for the drivers who piloted it to the checkered flag.


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