Posted May 22nd 2012 2:01PM
According to General Motors, the Regal GS is officially the fastest Buick ever made. The sedan's lead development engineer, Bill Rietow, and powertrain drive quality engineer, John Townsend, did their part to support the assertion when they ran the Regal GS in the Nevada Open Road Challenge. The event isn't about all-out speed, but about a driver finishing the course in a pre-set time. It has speed-limited and wide-open sections, and during one flat-out phase the Regal GS hit 260 km/h (162 mph).
The same pair took Most Accurate Rookie honors last year in the 120-mph (193 km/h) class, so this year they jumped to the top-tier 135-mph (217 km/h) class. They finished second, four-tenths shy of their 40-minute target time over the 144-kilometer course.
Click here to see the engineers talking about the course and the car, and for a press release on the achievement.
Regal GS Hits 162 mph at Nevada Open Road Challenge
Buick luxury sport sedan finishes second in 135-mph class
ELY, Nev. (2012-05-21) – A pair of Buick engineers piloted a stock Regal GS luxury sport sedan to a second-place finish in the 135-mph class of this month's Nevada Open Road Challenge, finishing within 0.4 seconds of their 40-minute target time.
The podium finish follows a first place title claimed by the same team – driver Bill Rietow and navigator John Townsend – in the 120-mph class last fall.
Success was based on balancing low-speed sections of the course with running the Regal at top speed for a period of time. During that segment, a radar trap controlled by race operators verified a speed of 162 mph for the 270-horsepower Buick.
Buick's 2.0L turbocharged engine was named one of WardsAuto World's 2012 "10 Best Engines" for North America.
"The Regal GS is an incredibly capable performance sedan," said Rietow. "In addition to the strong acceleration from the engine, the chassis maintained its composure well while running across these closed public roads at high speeds. Likewise, the Brembo brakes were easy to trust coming hot into a corner."
The Nevada Open Road Challenge takes place on a remote, two-lane, 90-mile-long segment of Nevada State Highway 318. Rather than a test of who finishes a course the fastest, the goal is average speed consistency. Podium finishers often are separated by hundredths of a second.
The Regal GS piloted by Rietow and Townsend was a stock 2012 model, with modifications limited to safety equipment such as a roll hoop and five-point harness seat belts, as well as data collection computers.
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