Previous design successes include the Commodore concept that became the latest version of the Monaro (and Pontiac's reborn GTO), and this years EFIJY retro-concept. [Source: GM Holden] largest ...

While we were pretty sure GM would grace Detroit with the Opel Antara and Holden Efijy, we didn't expect the WTCC, the T2X... and Carmen Electra. But GM announced this week all five would be in ...