Which one should I buy - Hero Xtreme Sports or Suzuki Gixxer SF?

I think Gixxer is better than Xtreme.....

You can easily go for Suzuki without any doubt. Hero Xtreme is 10 kgms heavier than the Gixxer so u will have better power to weight ratio on the Gixxer. The styling is far better than the xtreme as it looks outdated today. You will have tubeless tyres as standard on the Gixxer and it can outrun most of the 150s on 0-80 sprint. So all in all....go for Gixxer...

Suzuki Gixxer SF will be a fully faired motorcycle with much better looks than the Hero Xtreme sports. With nearly equal performance specifications Gixxer SF has a lesser seat height than Xtreme sports and has wider tyres for more road grip. The Xtreme sports has a double disc optional Model which makes it more brake efficient than the Gixxer SF. Gixxer SF would be more easy to ride vehicle whereas the Xtreme seems to be more efficient in terms of fuel and braking.