The SSC Aero is an American-built mid-engine sports car by Shelby Super Cars. Its higher-performance limited production version, the SSC Ultimate Aero TT, is currently the fastest production car in the world, with a fastest recorded speed of . This speed was reportedly achieved during tests on September 13, 2007 in West Richland, Washington, United States and verified by Guinness World Records on October 9, 2007.
The Aero and the Shelby Super Cars company are the brainchildren of Jerod Shelby, who spent over seven years designing the car. The basic Aero model is no longer produced, while, as of 2008, the Ultimate Aero costs about 620,000 dollars.
The engine in the base Aero model is a supercharged V8 engine rated at at 6600 rpm and at 5800 rpm, with the supercharger at 8 psi and running on 91 octane gasoline. The Ultimate Aero has increased engine displacement of and increased boost of 14 psi, resulting in at 6950 rpm and at 6200 rpm, running on 91 octane gasoline.
Wind tunnel testing indicates that the Ultimate Aero could theoretically reach a top speed of given appropriate transmission gear ratios, although the supplied transmission would result in at the car's redline. The base Aero, however, should "only" reach about . The Ultimate Aero accelerates from 0-60 mph in 2.78 seconds, second only to the Bugatti Veyron which achieves 0-60mph in 2.46 seconds due to its four-wheel drive system.
Wheels on the base model are sized 18-inch at the front and 19-inch at the rear, while the Ultimate Aero TT has wheels an inch larger at each end.
The 2007 models are heavier, with the base model weighing , and Ultimate version . Unlike the previous year, base models have a navigation system, 10-speaker audio/CD/DVD system, video/DVD screen, back-up camera, air-conditioning, and trunk space as standard equipment. These come optional on the Ultimate.
The first production 2007 Ultimate Aero TT car was sold on eBay for US $431,100. Later cars are expected to cost US $485,000. Only 24 Ultimate Aero TT's are going to be produced from 2006-2007. The Ultimate Aero TT made its international debut on the International Show Circuit in November 2006, culminating with the world record top-speed competition held in Wolfsburg, Germany in May 2007.
The 08 Aero TT will be geared for 458 km/h (284.60 mph) but whether the car can reach this speed has yet to be tested.
As part of the production plan, SSC also announced it had contracted with Sheffield International Finance Corporation to initiate the company's first acceptance of outside capital since its inception.
SSC announced they had broken the speed record for the world's fastest production car with in West Richland, WA on September 13, 2007. The reported record speed came from an average of two runs in opposite directions, in accordance with Guinness Book of World Records rules. The first run clocked and the return trip , with the average beating the Bugatti Veyron's top speed of . The results of this test, verified by Guinness World Records on October 9, 2007, gave the SSC Ultimate Aero the title of world's fastest production car.
In addition to the fastest production car record, SSC also applied for world record of the highest emissions-legal horsepower production automobile.