Porsche has released a second teaser video for the redesigned 911. It shows the car being tested in the Arctic Circle.

Porsche has released a second teaser video for the redesigned 911 (991).

Meant to highlight the car's development, the clip gives us a quick look at engineers testing the model in the Arctic Circle.

As we have previously reported, the 2012 Porsche 911 will be slightly larger and have an evolutionary design that is instantly recognizable. The entry-level model is slated to adopt a 3.4-liter engine with 350 PS (257 kW / 345 hp). Moving up the Carrera S will net owners a 3.8-liter with 400 PS (294 kW / 395 hp), while the Turbo is rumored to have an output of approximately 550 PS (405 kW / 542 hp).

Lastly, one of our sources is indicating the recent photo leak has prompted Porsche to move up the 911's introduction. Nothing is official, but we're told an announcement could come as soon as tomorrow.

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2012 Porsche 911 teased playing in the snow [video]