I bought an Elite i20 Sportz (Petrol) about 1.5 years ago and have driven it for over 15,000 Kms.
PROS: Extremely good looking (subjective), good interiors, decent boot space, excellent driving experience, awesome gear shifts, comfortable seats
CONS: Expensive spares, Not-so-enthusiastic engine (poor pick up, especially on highways), no mileage meter, no distance-to-fuel empty meter
Mileage: 14 kms per litre (city + highway driving with AC on)
16 kms per litre (only highway driving with AC on)
Overall, great car. Pickup doesn't matter if you drive mostly in the city and occasionally go out on highways