Before the sale of the Buick Regal in North America, the Opel Insignia has been rolling off the dealerships in China. According to GM insiders, the Regal will be marketed below the 2010 LaCrosse and will have a few thousand dollars off its sticker price. The LaCrosse has a tag starting at $27,835.

The LaCrosse and the Regal though is built on the same DNA of the Epsilon II FWD. They also share basic lines and curves for the body structure. This could give a good indication of what this model will afford you in terms of car breakdown cover and insurance costs.The LaCrosse has several features that you cannot find on the Regal. The former comes with acoustic glass, hood built with perimeter seal, and absorption material under the chassis.

The Regal is also 4 inches shorter when your compare its wheelbase to the 10.7 inches of the LaCrosse. The regal is also 6.9 inches short off the length of the LaCrosse.

The Buick Regal is part of the general plan of the car manufacturer to introduce to the market new models which can challenge brands like the Acura and Lexus.

The Insignia has also several variants including a standard sedan, a 5-door hatchback, and a functional wagon. These may also be brought to North America.

The GM press releases disclose that the 2010 Buick LaCrosse will be sold in 2 variants. One will have an engine base of 3.0L V6 and a higher 3.6L V6. Both engines will be coupled with the 6T70 six-speed automatic transmission of GM.

The power plant under the hood of the 20 LaCrosse will focus on both performance and fuel efficiency. The 3.0L direct injection engine is expected to have an output of 250 horsepower with a fuel rating of 30 mpg running on normal highway conditions.

The 3.6 L V6 version is similar to the engine under the hood of the Cadillac CTS. It also has a direct-injection feature which kicks at 290 horsepower.

The 2010 Lacrosse also boasts of luxury set up like HID headlamps, heads-up display, and a rear view camera. An all wheel drive feature may also come but it is not yet clear if it will only be available for the 3.6L version.

The appearance of this release from Buick is inspired by the Buick Invicta displayed during the Beijing Auto Show held earlier this year.

The new LaCrosse is part of the midsize car productions of GM worldwide. This car is scheduled to debut during the 2008 Los Angeles Auto Show.