The Mark I Uno Turbo initially had an engine capacity of 1299cc later revised to 1301cc
The Mark II Uno Turbo had a new Fiat Tipo-derived 1.4 litre (1,372 cc) engine.
According to the MOT database this vehicle is:
Vehicle make: FIAT
Colour: Blue
Date of first registration: April 1990
Year of manufacture: 1990
Cylinder capacity (cc): 1372 cc
1.4 Turbo i.e., I4, 1372cc, 8 SOHC, 118 PS (87 kW) @ 6000 rpm, 161 N⋅m (119 lb⋅ft) @ 3500 rpm, 1990–1998
So on the facts available this is a genuine Fiat Uno Turbo Mk II 1.4L that has been heavily modified.
Sorry no idea of value but I bet the insurance high
