I have santro gls eco model, it completed 1 year in May2013. Very much satisfied with car, mileage seems to be on lower side, however I have not checked it for petrol, but could have improved considering new technologies,
Mine is top end model with Lpg. Very good vehicle for city roads, I zip drive through heavy traffic with ease, and overtake all small and big cars.. great power considering size.
Seating comfort is not there for a long drive and in humps or potholes, back seat is jumpy and rough..back seater is bit congested, but very nice for people sitting in front. Did not have any prob driving with 6 adults - 4 in back.
Company fitted music system is very nice and with 4 speakers, excellent sound.Mileage shoule be aroung 15-16 in AC, but I feel it is aroung 12 in petrol (however have not checked). LPG is Rs 4 per km costing - bit high.
Highly Recommended for small family with budget of around 4-5 lacs..
pros: power, driving comfort, music, look, value for money,
con: seating comfort (could improve), mileage (could improve), bumpy ride on bumpy road, new santro model interiors could have been modified according to hyundai eon - which will give it a modern look.