Engine    
1608 cc DOHC

Transmission    
4-speed manual
(125: 1967–1973)
5-speed manual
(125S: 1968–1970, 125 Special 1970–1973)
3-speed automatic
(125S: 1968–1970, 125 Special 1970–1973)

Dimensions
Wheelbase    
2,505 mm (98.6 in)
Length    
4,232 mm (166.6 in)
Width    
1,625 mm (64.0 in)
Height    
1,440 mm (56.7 in)
Curb weight    
1,150 kg (2,535.3 lb)

Fiat 125 on Wikipedia

MORE SPECS WILL BE HERE SOON