What I know about the history of Gol, is that the first model (G1) was built with the scirroco base. But the new project (G2 and G3) I think is different.

If your interest is upgrading the suspension, here in Brasil there are some suspension kits specially for Saveiro G3 (Red Coil, AG Kit, Feeder). Even Eibach is sold to Gol, Saveiro, Parati G3 (Brasilian Site with eibach

"MOLA EIBACH - GOL GERAÇÃO III
3x R$254,07"
This are for Gol, but I think there are for Saveiro too...