VTI = 1600 cc, ABS, Company fitted Alloys, sunroof (VTI Otiel)
EXi = 1500 cc, 4 wheel Disc brakes
Exi consumes less fuel. I have an Exi 2004 Manual. It gives me 15km with AC on long rouite and in city around 7-9 km. On CNG, it does 140+ with full time AC in 55L cylender.