Cuore is very good car, with good pick, good ac, good grip, and easy to handle in rush area or narrow streets... beter car in its 800cc category. But as for Santro, Its Far away beter then cultus, coure, alto ETC..
Petrol consumption of Santro is beter on long route then cuore,
CNG is almost having same avg within city.. 50 bar (7 KG) hardly reach 100 KM in city and on long route santro goes 135-140.. same as cuore
LET MORE EXPERTS TO COMMENTS...