The optional awning for the Grand California is from the company Thule, it is the model Omnistor 5200. This is installed in both the GC600 and GC680. However, in two different widths, the awning on the GC600 is 3 meters wide and the GC680 3.5 meters.
- Length 3.52 m / GC680
- Length 3.02m / GC600
- Extension 2,5 m
- Weight 25.4 kg / GC680
- Weight 22.6 kg / GC600
