The new Buick Regal GS will hit the showroom floors this fall, powered by the Ecotec 2.0L turbo engine.

The Regal GS offers 270 horsepower (201kW) and 295 lb.-ft. of torque (400Nm), decent numbers for a 2.0 liter – specially the torque, while averaging 28 mpg on the highway. Thanks to the enormous torque  it can go from 0 to 62 mph (100 km/h) in 6.7 seconds. It comes with a manual gearbox but a six-speed automatic transmission will be available later.

Thanks to the Opel Insignia on which this car is based, it comes with high-tech stuff such as Interactive Drive Control System chassis technology, which delivers enhanced vehicle stability and let the driver change the settings for suspension, and steering sensitivity through the variable-effort steering system. Regal GS also features a four-wheel-independent suspension, with a unique High Performance Strut (HiPerStrut) front suspension design.

One very good feature of the car is the high performance braking system a large diameter four-wheel disc brake system featuring big, four-piston Brembo front calipers. The StabiliTrak electronic stability control with integrated, full-speed traction control is also very good. The car comes with 19-inch, 5-Twin Spoke alloy wheels and all-season tires (20-inch, 5-Twin Spoke polished alloy wheels with performance tires are optional).

Here’s a video of the car in action around Milford Road Course at the Proving Grounds in Milford, Michigan, in the hands of Buick engineers:

“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.”