SAN FRANCISCO — The World Touring Car Championship has a noise problem — as in, there may not be enough of it.
"We're not very noisy cars," said Englishman Tom Chilton, one of the 20-plus drivers who will line up for the start of a pair of 13-lap races at the raceway in Sonoma on Sunday. "We've got 1.6-liter engines. We're running this new world engine, which is fantastic and it's really, really good, but as an American goes, they might be thinking this isn't as noisy as NASCAR or anything like that."
The WTCC is a popular circuit, with (according to the organization) upward of 40 million viewers watching its races on more than 80 channels across the globe. But some serious questions surround its United States debut: Are touring cars loud enough? Are they big enough? Are they American enough?
"It's a big challenge, I have to say," WTCC general manager Marcello Lotti said at a news conference in San Francisco on Wednesday. "... Because in America, motorsport world is represented by NASCAR, by Indy. It's something that is really a completely different concept."
The touring-car concept is built not so much on raw power as agility and competitiveness.
The cars are fast enough — they will crack 100 mph on Sonoma's limited straightaways — but nothing like an open-wheel vehicle. Every touring car has a four-cylinder, 1.6-liter engine with a restrictor plate and a six-speed sequential gearbox. They all weigh roughly the same, and are within 5 to 10 horsepower of one another, which makes for some crowded lanes.
"Bumper-to-bumper racing — very close, very tightly fought sprint races," said Rob Huff, who drives the Chevrolet Cruze car and is currently in second place in the WTCC standings. "I think 25, 26 cars on the grid, all qualifying within sort of a second to a second-and-a-half of each other."
The parity, along with the touring cars' maneuverability and the brevity of the races, has attracted followers in far-flung corners of the world.
The WTCC's European season included stops in Italy, Spain, Morocco, Slovakia, Hungary, Austria and Portugal. It just went to Brazil following a two-month break, and after Sonoma will head to Japan, China and Macau.
Lotti said that Japan, China and the U.S. were the three nations that had been at the top of the WTCC's wish list. It got to Japan last year. China, like America, makes its debut this year.