2012 Buick Regal GS rated at 270 hp and 295 lb.-ft. of torque

Article by Christian Andrei, on June 15, 2011

This fall, the 2012 Buick Regal GS is slated to arrive. It has been certified by the SAE to have an output of 270hp (201kW) and 295 lb.-ft. of torque (400Nm), enabling the vehicle to sprint from zero to 60 mph in 6.7 seconds.

Installed with its exclusive Ecotec 2.0L direct-injected turbocharged four-cylinder engine, the Regal GS develops more torque than Acura TSX V-6, Lexus IS 250 Audi A4 Sport, and Volvo S60 T5.

The highlights to the Ecotec 2.0L turbo include direct injection, forged steel crankshaft, continuously variable valve timing, an efficient intercooler system, and twin scroll design turbocharger. The peak torque of 295 lb-ft can be achieved at a low 2400 rpm. It has 95% of peak torque available between 2300 and 4900 rpm.

The GS engine is partnered to a standard six-speed manual transmission. On the highway, it returns an average of 28 mpg. The carmaker will be offering a six-speed automatic transmission later.

The company offers its entire GS powertrain with a five-year, 100,000-mile warranty. Interactive Drive Control System chassis technology, which provides improved vehicle stability, further strengthens the performance of the Regal GS. The driver can choose from three operating modes that adjust the suspension settings, and steering sensitivity via the variable-effort steering system.

The Interactive Drive Control System chassis technology adds even more performance capability to the Regal GS by improving its stability. This features three selectable modes that adjust steering sensitivity with a variable-effort system, as well as the suspension settings. A “Standard” mode is the default setting for regular driving situations. The "GS" mode stiffens suspension and steering response to an optimal level for dynamic driving. The "Sport" mode falls between the aforementioned settings for a balanced performance level.

A four-wheel independent suspension including a special High Performance Strut (HiPerStrut) front suspension is another feature of the Regal GS. HiPerStrut lessens torque steer and keeps negative camber in cornering situation, which is vital for maintaining tyre contact patch. This results in more grip and cornering power, which translates to improved steering precision and feedback, and consequently better responsiveness.

The four-link independent rear suspension improves stability and grip by specifically addressing undesirable toe and camber effects when performing agile manoeuvres. Active Computer Damping Control instantaneously manages both front and rear damper characteristics for a continually optimised ride comfort level despite changes in driving surfaces and conditions. Greater degrees of damping for higher performance levels are possible when either the "Sport" or "GS" mode is selected.

The Regal GS’s braking power emanates from the large diameter four-wheel disc brake system that makes use of big, four-piston Brembo front callipers for accurate modulation and feel improvement. A Standard, four-channel anti-lock brake system is in place to ensure shorter stopping distances over different surfaces and conditions. Another standard feature is the StabiliTrak electronic stability control with integrated, full-speed traction control.

The GS is noticeably sportier in its stance, thanks to its lower ride height compared to other Regal models, as well as its standard bold 19-inch, 5-Twin Spoke alloy wheels fitted with all-season tyres. There is also an option to replace these with 20-inch, 5-Twin Spoke polished alloy wheels with performance tyres.

Press Release

Buick Regal GS Cranks 270 HP and 295 Lb-Ft of Torque

The 2012 Buick Regal GS, which arrives at dealerships this fall, has been SAE-certified to deliver 270 horsepower (201kW) and 295 lb.-ft. of torque (400Nm) for an estimated 0-60 mph performance of 6.7 seconds.

Regal GS's exclusive Ecotec 2.0L direct-injected turbocharged four-cylinder engine delivers more torque than Acura TSX V-6, Audi A4 Sport, Lexus IS 250 and Volvo S60 T5. Torque is the twisting force that gets a vehicle moving and what the driver feels when accelerating.

"The Regal GS 2.0L turbo delivers the highest specific output of any production engine GM has ever offered, and at 135 hp per liter is the most power dense engine ever certified by SAE," said Mike Anderson, Ecotec global chief engineer and program manager. "We've been combining direct injection and variable valve timing with boosted engines since 2006, and there's no question the Regal GS turbo has the responsiveness and acceleration of some V-6s, while delivering the fuel economy you'd expect of a four-cylinder."

Ecotec 2.0L turbo highlights include direct injection, continuously variable valve timing, forged steel crankshaft, twin scroll design turbocharger and an efficient intercooler system. The peak torque of 295 lb-ft is achieved at a relatively low 2400 rpm. There is 95 percent of peak torque available between 2300 and 4900 rpm.

The GS's engine is mated to a standard six-speed manual transmission, and gets an estimated fuel economy of 28 mpg on the highway. A six-speed automatic transmission will be available later. The entire GS powertrain is covered by a five-year, 100,000-mile warranty.

Further reinforcing Regal GS's performance appeal is its Interactive Drive Control System chassis technology, which delivers enhanced vehicle stability. The driver selects among three operating modes that change the suspension settings, and steering sensitivity through the variable-effort steering system. "GS" mode optimizes the car for dynamic driving, tightening the suspension and steering response. "Standard," or the default mode, is the setting for all-around use. "Sport" mode provides a level of performance between standard and GS modes.

Regal GS also features a four-wheel-independent suspension, with a unique High Performance Strut (HiPerStrut) front suspension design. The HiPerStrut system helps reduce torque steer and maintain negative camber during cornering to keep the all-important tire contact patch on the pavement. The driver experiences improved grip and increased cornering power, along with crisper handling, steering precision and feedback.

The four-link independent rear suspension is designed to minimize unwanted toe and camber effects during spirited driving maneuvers, enhancing vehicle stability and tire grip. Both front and rear dampers incorporate active Computer Damping Control, continuously changing damper characteristics in real time to maintain optimal vehicle ride comfort over varying road surfaces and profiles. More aggressive, performance-oriented damping characteristics can also be selected by the driver when choosing "Sport" or "GS" mode.

Braking power comes from a large diameter four-wheel disc brake system featuring big, four-piston Brembo front calipers for optimal feel and modulation. A standard, four-channel anti-lock brake system is tuned to reduce stopping distances over varied road surfaces and conditions. The Regal GS also features standard StabiliTrak electronic stability control with integrated, full-speed traction control.

The GS cuts a sportier stance, too, with a lower ride height than other Regal models and aggressive 19-inch, 5-Twin Spoke alloy wheels and all-season tires (20-inch, 5-Twin Spoke polished alloy wheels with performance tires are optional).

"The 2012 Regal GS is well balanced with dynamic ride and handling, powerful brakes, great acceleration and excellent fuel economy," said Robert Casparian, Regal product marketing manager. "And the fact that one can get such great performance in a gorgeous sport sedan makes it even more attractive."

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