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2011 Audi R8 GT - Web Exclusive

The R8 GT accelerates from 0-62mph in 3.6 seconds.

May 3, 2010


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Audi has presented a limited-production version of it R8 sports car; the R8 GT. The output of its 5.2-liter V10 has been increased to 560hp; vehicle weight has been reduced by roughly 220.46 lb. The R8 GT accelerates from 0-62mph) in 3.6 seconds and reaches a top speed of 198.84mph.

The genes of the R8 LMS race version are now coming to the street in the R8 GT. The exclusive series is limited to 333 units. Each R8 GT has a badge with its production number on the shift knob.

Thanks to the ASF body, the production R8 5.2 FSI quattro weighs only 3,582.51 lb with quattro all-wheel drive and optional R tronic transmission. This made it all the more difficult for the engineers to achieve substantial weight savings. They took an elaborate approach involving every aspect of the vehicle, and in the end the scales came to rest at 3,362.05 lb.

The windshield of the R8 GT is made of thinner glass; the bulkhead between the passenger cell and engine compartment, as well as the window in the rear hatch are made of strong, lightweight polycarbonate. These three modifications saved 19.84 lb. The fixed rear wing is good for an additional 2.65 lb; thinner sheet metal and additional cutouts shaved 5.73 lb from the aluminum hatch.

The long rear hatch is made of carbon fiber-reinforced plastic (CFRP) - an advantage of14.55 lb. The rear bumper and side blades of this same material save an additional 11.46 and 3.31 lb, respectively. With its minimal weight and extremely high strength, CFRP is the ideal material for a high-performance sports car.

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The engineers also fought to shave every possible ounce of weight from the technical components of R8. They shaved 2.20 lb from the power brake system, 8.82 lb from the aluminum caps of the brake rotors and 20.72 lb from the battery. The engineers also found 5.07 lb in the air intake module and 6.17 lb in the insulation of the engine compartment.

The interior also harbored substantial weight-savings potential. The new, lightweight carpeting accounts for 17.42 lb; the bucket seats with a glass-reinforced plastic (GRP) chassis account for 69.45 lb. Numerous additional detailed measures targeted the interior, the exterior and the technology, such as higher-grade, lighter steel for the exhaust system's tailpipes.

The exterior underwent numerous modifications that further sharpened the appearance. Many of them also reduce the weight and enhance the aerodynamics. The R8 GT produces more downforce than the production model - without any increase in the Cd value (0.36).

The frame of the grille, its struts and the slats in the air intakes are finished in matte titanium gray; the grille is matte black. The splitter under the bumper has a double lip and is made of carbon. Slender, curved flicks at the corners of the nose increase the downforce on the front axle and are also a carbon fiber composite.

One highlight of the R8 GT is the standard LED headlights, which use light-emitting diodes for all functions. The daytime running lights each comprise 24 LEDs and appear as a continuous band. The reflectors are reminiscent of open mussel shells.

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The defining element of the side view is the side blades, which direct air to the engine and are also made of matte carbon in the R8 GT. The same material is used for the smaller mirrors, which are mounted on an aluminum base. The 19-inch wheels feature an exclusive five twin-spoke Y design in a titanium-look finish. The front fenders sport "GT" badges.

The modifications to the rear of the car are particularly apparent, beginning with the fixed wing in matte carbon. The ventilation louvers on both sides of the rear hatch and the CFRP bumper, which integrates the large, round tailpipes and vents for the wheel wells, have been redesigned. The larger diffuser is made of carbon fiber composite; the license plate bezel and the wide slats at the rear are in matte titanium gray. The tail lights, which also use LED technology, have dark housings with panes of clear glass.

Audi offers the R8 GT in a choice of four body colors: Samoa Orange metallic, Suzuka Gray metallic, Ice Silver metallic and Phantom Black pearl effect

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The modified V10, whose cylinder head covers are painted red, gives the Audi R8 GT breathtaking performance.

Changes to the engine electronics coaxed an additional power from the ten-cylinder, which now produces 560hp from a displacement of 5204 cc. The torque curve peaks at 398.28 lb-ft at 6,500 rpm, 7.38 lb-ft more than in the production version.

The V10 has a specific power output of 107.6 hp per liter displacement. Its power-to-weight ratio is 8.16 lb per 6.00 lb per hp. The engine redlines at 8,700rpm.

Gear changes in the R8 GT are handled by the R tronic sequential manual transmission. The electro-hydraulic clutch and switching unit receive their commands electronically.

quattro permanent all-wheel drive is the ideal technology for a high-performance sports car. The central viscous coupling located at the front differential sends 15 percent of the power to the front axle and 85 percent to the rear axle during normal driving. This split harmonizes perfectly with the Audi R8 GT's 43:57 percent weight distribution.

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The 19-inch forged wheels are 8.5x19" up front and 11x19" at the rear, and are shod with size 235/35 and 295/30 tires, respectively. Audi will mount 305/30 tires together with optional wheels on the rear axle upon request. Cup tires, which offer the ultimate in performance on dry roads, are available for racing enthusiasts.

Audi mounts internally ventilated, carbon fiber ceramic brake rotors as standard. They are extremely durable and abrasion-resistant as well as particularly lightweight. Together they weigh 19.84 lb less than their steel counterparts of the same size. They measure 380mm (14.96 in) in diameter up front and 356mm (14.02 in) at the rear. The friction rings are bolted to the stainless steel caps via elastic elements. Red anodized aluminum brake calipers - with six pistons up front - are exclusive to the R8 GT.

The ESP stabilization program has been specially tuned to the R8 GT and can be switched into a Sport mode at the push of a button to allow spectacular, but safe, oversteer when accelerating out of a corner. The driver can deactivate the system entirely for a trip to the racetrack.

For the Audi R8 GT, which Audi will sell in Germany for ?193,000 (about $255, 628), the interior is adorned in sporty black and dark gray. The steering wheel, the headliner, roof posts, knee pad, parking-brake lever and bucket seats are covered in Alcantara accented with contrasting stitching. A synthetic sharkskin-look material that feels slightly rough to the touch is applied to the bulkhead, the door liners, instrument cowl and dashboard. The "monoposto" - the arch in the cockpit - is made of matte carbon.

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The instrument cluster features white dials with "R8 GT" badges. The newly designed selector lever is made of CFRP and aluminum; the center tunnel and door liners sport decorative inlays in the body color. The door sills feature trims of matte aluminum decorated with the "R8 GT" logo.

A number of exclusive features are available as options for the R8 GT. Exterior options include two alternative wheels, a body-color front splitter and a CFRP engine compartment lining. Carbon elements on the doors, tunnel, in the cockpit and on the instrument panel are available as interior options. Others include a multifunction leather steering wheel, seat belts in red, orange or gray, floor mats with the "R8 GT" logo and CFRP door sill trims illuminated in red. If desired, Audi will fit seats with carbon frames, which are somewhat lighter than the CFRP shells. The Alcantara seat covers are optionally available with an embroidered "R8 GT" logo.

A race package is also available for racing enthusiasts. It includes a bolt-in roll-bar in red or black, which has both road- and type-approval, as well as road-approved four-point harness belts in red or black, a fire extinguisher and a kill-switch for the battery. An optional front bar module for motorsports events includes a rotary lock for the four-point seatbelt and turns the roll-bar into a full cage.

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The specification and options listed are for European models. Variations for the US market have yet to be listed.



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