On an Alfa forum I use/look at this company where suggested. I checked out what they have for the GTA and it is not bad so here is there link to the GTA section. They also stock for other Renault vehicles, so they might help to get someone out of a hole.
Venturi 260 - Saphir (Bleu) Renault Sport Megane 230 F1 Team R26 - Liquid Yellow Renault Sport Clio 197 - Ultra Red Renault Megane Maxim 1.5 DCi - Extreme Blue (Daily Runner) Minari RS - Coral Red Smart Roadster Coupe 80 - Spice Red