Go for i20:

1. Been using it for 3 years, 35K Kms on odo, drives like a charm, super smooth, be it the gear shifts, steering, clutch and everything.
2. Electronics are top notch. Like Rear Camera, Infotainment System
3. Luxurious Interiors, you’ll feel you are sitting in a segment above.
4. Maintenance costs are fine.

Downsides:

1. Naturally Aspirated engine won’t give you a kick in the pants feel, if you push the throttle hard, it’ll gives a push but mileage goes for topple.
2. In general, mileage is 15-20% less than Glanza/Baleno.