While endorsing the platform with the five-door version, the Astra GTC has only three pieces derived from his 'brother': antenna, door handles and outer layers of the mirrors. Likewise, its dimensions were also revised, with the wheelbase extended by 10 mm (2695 mm), wider track (40 mm front and 30 mm rear) and reduced ground clearance between 10 and 15 mm.
The GTC is differentiated by specific arrangements of chassis and suspension, which is highlighted by the debut in the Astra range HiPerStrut high performance suspension (derived from the Insignia OPC) for the front axle, while behind was maintained Watt torsion beam, while working for better handling. In this regard, you can still rely on technology FlexRide (€ 750), electronic chassis control, with modes Standard, Tourer and Sport. Inside, especially new coatings and trunk with 380 liters.
At launch the available 1.4 Turbo petrol engines (140 hp) for € 25 100 and 1.6 Turbo (180 hp) for € 26 600 and a diesel variant, with the block of 165 hp 2.0 CDTI, for € 32 700. In the spring of 2012 will reach the most affordable 130-hp 1.7 CDTI and the high-end OPC 2.0 Turbo with 280 hp gasoline