The stunning GMC Granite concept, which debuted at the 2010 North American International Auto Show, could be headed for production as a new report is indicating GM has green-lighted the ambitious Scion xB rival.

Citing a "well-placed source," Motor Trend is reporting the vehicle will be based on the same C-segment platform that underpins the Chevrolet Cruze, Chevrolet Orlando, and Buick Verano. Furthermore, the mystery man (or woman) indicated the rear-hinged "suicide" doors would carryover but it remains unclear if the pillar design will make the cut.

Under the hood, power will likely be provided by a turbocharged 1.4-liter Ecotec engine that produces 138 hp (103 kW / 140 PS) and 148 lb-ft (200 Nm) of torque. If that hasn't sparked your interest, there is a possibility that GM could offer a naturally-aspirated 2.4-liter Ecotec with 177 hp (132 kW / 179 PS) and 170 lb-ft (230 Nm) of torque.

The Granite is slated to be launched as early as 2012 (as a 2013 model), so get those checkbooks ready.

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