Opel Astra GTC - Interior - Car Body Design
OPEL Astra GTC Review - autoevolution
Opel, Astra GTC, 2007
2012 Opel Astra GTC gives us Buick-tinted hope for the future [w/video] - Autoblog
File:Opel Astra GTC 1.6 Turbo Innovation (J) – Heckansicht, 17. September 2012, Düsseldorf.jpg - Wikimedia Commons
Opel Astra GTC 1.6 Turbo specs, quarter mile, lap times, performance data
Opel Astra GTC with Panoramic Roof (2005) - pictures, information & specs
Opel Astra GTC dimensions, boot space and similars
Used Vauxhall Astra GTC for Sale