Buick showcases the all-wheel drive system in the Regal GS w/ video

Buick recently released a video and a release detailing the benefits of their all-wheel drive system recently made available in the 2014 Regal GS sedan, as a very large portion of Americans deal with tumultuous winter weather.

Combined with the Regal GS’s HiPer Strut front suspension, the all-wheel drive system virtually eliminates torque steer and understeer in situations where the driver needs it the most, such as exiting a corner. The system monitors the wheels at a very high rate, allowing for adaptive control in specific situations. For instance, during a launch, the AWD system will automatically call for a 50/50 power split between the front and rear wheels. Selecting the GS’s new Sport and GS Interactive Drive Control modes also affects the system’s performance during high-speed driving.

The system itself is a Haldex-based system, similar to that found in Volvo, and utilizes an electronic limited slip differential to help vector the torque between the two rear wheels as well, to improve stability and cornering capability for a “more neutral balance.”

The all-wheel drive system is available on all 2014 Regal models as an option.

For full details, check out the video and release after the jump.

Get a Grip No Matter What the Weather

2014 Buick Regal offers all-weather all-wheel-drive

2014-02-18

DETROIT – Along with the technology, safety, and styling enhancements offered on the redesignedBuick Regal and Regal GS, is the newly available advanced all-wheel-drive.

While those in the Snowbelt, and perhaps many further south this winter, associate all-wheel-drive vehicles with wintery weather, the Regal’s on-demand automatic AWD system is designed to help provide better control in all weather and road conditions, including dry surfaces.

Using a system that can distribute power both front to rear and side to side, the Regal is able to shift torque to the wheels based on vehicle data and driver input. When trekking through snow and icy conditions better control is achieved through improved traction and stability with drive to all four wheels.

The same ideas are applied during spirited driving and even emergency maneuvers on dry or wet pavement. With the ability to transfer power to the rear, the Regal AWD is not depending on the front wheels to do it all. This, combined with HiPer Strut front suspension, results in enhanced control from less torque steer and understeer when the driver needs traction the most, such as exiting a corner.

“With power going to all four wheels and the ability to transfer power to the wheel with the most grip, we’ve helped enable the driver to have maximum control on all surfaces,” said James Walter, Regal AWD engineer. “This system is constantly monitoring several inputs and anticipating action. It can be very beneficial in keeping the rear of the car balanced during an emergency maneuver.”

At launch in a straight line, the core of the AWD system splits the torque approximately 50/50 between the front and rear wheels. The system is constantly calculating and redistributing the torque. In the Regal GS, selecting the Sport or GS Interactive Drive Control modes heightens the AWD system sensitivity and shift up to 15 percent more torque to the rear wheels for improve traction and stability during performance driving.

An active Haldex module directs drive to the rear wheels. This system uses an electronic limited slip differential, or eLSD, which can rapidly shift torque between the two rear wheels to make the most of vehicle stability and cornering capability. A more neutral balance, less torque steer and understeer for maximum grip results in optimal acceleration, cornering and handling during performance driving in the Regal GS AWD.

AWD is available on all 2014 Regal models equipped with the new 2.0L Turbo engine that produces a refined 259 horsepower and 295 lb-ft of torque. The Regal is the fourth Buick in the current lineup to offer AWD, alongside Enclave, Encore, and LaCrosse.


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Chris Chin

Chris Chin is the Editor-In-Chief of egmCarTech and is a regular contributor to Automobile Magazine.

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