Audi reveals lightweight TT Ultra Quattro concept

Trevor Hofmann - CAP staff
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Any auto enthusiast will perk up at news of a lighter, more powerful version of their favourite car, which is why thousands of Audi TT fans are no doubt hoping the brand's new TT Ultra Quattro concept isn't just a hyper-exotic one-off.

The Audi faithful will once again gather for the annual Woerthersee Tour next month, which is where the Ingolstadt, Germany brand will introduce this special lightweight TT. At just 1,111 kilos (2,449 pounds) due to extensive reengineering, the Audi TT Ultra Quattro concept is 300 kilograms (660 pounds) lighter than the production version.

The automaker's engineers replaced many of the TT's detachable body parts with carbon-fibre reinforced plastics (CFRP) to strip 100 kg (220 lbs) from its shell. What's more, they shaved another 22 kilos (48.5 pounds) by integrating CFRP-framed seats from the R8 GT. Other weight-saving strategies include using CFRP in the rear end, centre tunnel, B-pillars and the roof, plus applying magnesium components within the floor and hinge reinforcements.

The list of lightweight upgrades goes on and on including CFRP wheels featuring high-strength aluminum spokes, ceramic front discs with aluminum fixed calipers, a titanium exhaust system with a single centrally mounted tailpipe, Fibreglass-Reinforced Polymer (FRP) springs, and a new lithium-ion starter battery that's much smaller than a lead battery and therefore weighs just under four kilos (8.82 lbs). Audi even reduced engine weight by 25 kilos (55 lbs), but it's the little four-cylinder mill's increased performance that will make Quattro fans drool.

Powering the lightweight sports coupe is a revised version of Audi's turbocharged 2.0 TFSI four-cylinder engine boasting 310 horsepower and 295 pound-feet of torque, resulting in a supercar-like 4.2-second sprint from zero to 100 km/h and a 280 km/h (173 mph) top speed. The engine isn't just chipped, but features modifications to the crankcase, crankshaft, balancer shafts, flywheel, sump, bolts and ancillary components.

Some styling enhancements, like a massive rear wing, help set the Audi TT Ultra Quattro concept apart from its production counterparts, as would its price tag if Audi decided to build it. CFRP and FRP components don't come cheaply, nor do engine upgrades, so don't hold your breath for this superfast TT to arrive at your local Audi dealer anytime soon. Rather, enjoy the possibilities of Audi reducing mass from their next-generation TT by any significant amount if they're able utilize just a few of these upgrades.

©(Copyright Canadian Auto Press)

Topics: Audi, TT,

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