![OPEL Astra GTC (2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022) - photos, specs & model history OPEL Astra GTC (2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022) - photos, specs & model history](https://s1.cdn.autoevolution.com/images/models/OPEL_Astra-GTC-2012_main.png)
OPEL Astra GTC (2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022) - photos, specs & model history
![Rear Side Flaps Opel Astra GTC OPC-Line J | Our Offer \ Opel \ Astra \ J (Mk4) [2009-2020] \ GTC \ OPC-Line | Maxton Design Rear Side Flaps Opel Astra GTC OPC-Line J | Our Offer \ Opel \ Astra \ J (Mk4) [2009-2020] \ GTC \ OPC-Line | Maxton Design](https://maxtondesign.com/eng_pl_Rear-Side-Flaps-Opel-Astra-GTC-OPC-Line-J-16060_4.jpg)
Rear Side Flaps Opel Astra GTC OPC-Line J | Our Offer \ Opel \ Astra \ J (Mk4) [2009-2020] \ GTC \ OPC-Line | Maxton Design
![Front Splitter V.1 Opel Astra GTC OPC-Line J | Our Offer \ Opel \ Astra \ J (Mk4) [2009-2020] \ GTC \ OPC-Line | Maxton Design Front Splitter V.1 Opel Astra GTC OPC-Line J | Our Offer \ Opel \ Astra \ J (Mk4) [2009-2020] \ GTC \ OPC-Line | Maxton Design](https://maxtondesign.com/eng_pl_Front-Splitter-V-1-Opel-Astra-GTC-OPC-Line-J-16015_7.jpg)
Front Splitter V.1 Opel Astra GTC OPC-Line J | Our Offer \ Opel \ Astra \ J (Mk4) [2009-2020] \ GTC \ OPC-Line | Maxton Design
![File:Opel Astra GTC 1.6 Turbo Innovation (J) – Frontansicht, 6. Mai 2012, Wuppertal.jpg - Wikimedia Commons File:Opel Astra GTC 1.6 Turbo Innovation (J) – Frontansicht, 6. Mai 2012, Wuppertal.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Opel_Astra_GTC_1.6_Turbo_Innovation_%28J%29_%E2%80%93_Frontansicht%2C_6._Mai_2012%2C_Wuppertal.jpg/1200px-Opel_Astra_GTC_1.6_Turbo_Innovation_%28J%29_%E2%80%93_Frontansicht%2C_6._Mai_2012%2C_Wuppertal.jpg)