By Deb Acord
Spectators at this summer’s Pikes Peak International Hill Climb in June were awed by what they saw. They cheered as Japan’s Nobuhiro “Monster” Tajima attacked the high-altitude 12.42-mile course in record time – 9 minutes, 51 seconds.
They had gotten to their viewing spots on the gravel shoulders of the Pikes Peak Highway by crawling up the mountain at much lower speeds than “Monster” – who drove much of the route at more than 90 mph.
Despite the differences in driving styles, few probably realized there were similarities between their vehicles and the turbo-charged, 910-horse power Suzuki SX4 –specifically, the way their tires gripped the road.
Chances are many of the family minivans, sedans and SUVs that got them up the mountain to watch their favorite race are running on performance tires modeled after racing tires.
In 2010, about a fourth of passenger replacement tires shipped – 53 million – were designated as high-performance (HP) or ultra-high performance (UHP), according to Kevin Rohlwing, senior vice president for the Tire Industry Association.
The growing popularity of performance tires has to do with consumers’ desire for better handling. “Automakers are using more performance tires on typical 2-door and 4-door sedans as they try to meet the needs of drivers,” Rohlwing says.
The first generation of performance tires were inspired by racing circuits and modeled after the handling required of Formula 1 racing cars. They soon found their way off the racetrack and onto the classic muscle cars of the 1980s – Chevy Corvettes, Ford Mustangs and Pontiac Firebirds.
Today’s performance tire “is engineered to provide the driver with maximum handling ability,” Rohlwing says.
That’s the biggest advantage of a performance tire, he says. “Every aspect of the design and construction of the tire is engineered to give the driver the most responsiveness. People who want their cars to ‘ride on rails’ will see the most benefits from a performance tire.”