Creative Blogspot: BUICK

Opel Astra GTC May Come to the U.S. as a Buick

It seems the success of the Buick Regal, which is essentially a rebadged Opel Insignia, has determined GM management to consider bringing another Opel to the U.S., the Astra GTC hatch. Buick will soon have a compact sedan in its range, the Astra-based Verano due to be launched this fall, but it also wants a sporty hatchback with enough power and fine handling to lure young buyers.
According to a report from Car & Driver, the Opel Astra GTC is almost certain to come to the U.S. The model will be launched in Europe at the Frankfurt auto show this September and will go on sale shortly after with four-cylinder engines ranging from around 100 horsepower to more than 250 horsepower in the OPC high-performance model.
In the U.S. however, the car is expected to be offered with the same engines found in the Verano, which uses GM’s Delta platform that forms the base for the Astra and the Chevy Cruze: a 2.4-liter four-cylinder engine with 177 horsepower and a turbocharged 2.0-liter four-cylinder with around 220 horsepower. Both engines will be mated to six-speed automatic and manual transmissions. The name that will be used by Buick's version of the Astra GTC is yet unknown.
Aside from the Astra GTC, Buick might also adopt another Opel model that is currently under development, the replacement for the Astra Twin Top coupe-cabriolet. The new convertible will compete against the recently launched VW Golf Cabriolet. If Buick decides to offer the Opel convertible it will become the first Buick droptop since the Reatta

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Opel Astra GTC May Come to the U.S. as a Buick

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2011 Buick Regal

General Motors has released an update on the 2011 Buick Regal's 2.0-liter turbocharged engine that enables it to run on any blend of gasoline or E85 Ethanol. The Detroit automaker claims the Regal's flex-fuel capability is a first for a direct-injected turbocharged production car.
There are no performance differences between the standard 2.0-liter turbo engine and its flex-fuel variant, as output remains at 220 horsepower and 258 lb-ft of torque.
However, engineers made some changes to allow the engine to run on E85. Given that ethanol needs a richer air-fuel mixture than gasoline to function properly, the flex-fuel engine is equipped with higher flow-rate injectors. In addition, a sensor in the fuel system measures the combination of gasoline and ethanol in the tank (a maximum of 85 percent is allowed of the latter), allowing the engine management system to automatically adjust the mixture to provide the required performance, emissions and fuel consumption.
GM's 2.0-liter Ecotec turbo engine also sports a new sand cast aluminium cylinder block, which translates into better durability, less noise and vibration than before.
The Regal's engine update is a step towards GM's goal of having more than 50 percent of its production in flex-fuel models by the end of 2012, with the company having already put on the streets more than 5 million flex-fuel cars in the last 15 years.

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