Which one should I buy - Suzuki Gixxer or Suzuki Gixxer SF?

Both the bikes are an excellent piece of engineering. Their 154.9 cc engine produces 14.6 BHP and 14 NM of torque. You should go for the Gixxer SF as it offers more performance oriented approach and can be used both for normal day and track use. The special edition is a replica of the bikes being used in the MotoGP and will really beat everything around.

Suzuki Gixxer Series - Gixxer 155, Gixxer SF & Gixxer SF MotoGP Edition

Go for Yamaha FZ Version 2.0.

Firstly Thank you for your question . As coming to Solution of your query . Both bikes are internally same. Same engine, same SEP Technology, Same Digital Console, Same wheelbase, E.t.c. Only the new and exclusive changes to Gixxer sf are the Aluminium Muffler Cap , and the new handle bar bracket. Sf with all that fairing is 4-5 kg heavier than it's naked Counterpart. But with that fairing , it's more Aerodynamic and fast. Fuel efficiency will also be nearly same. So keeping all things in mind it's all upto you.There is a price difference in both, so if you want to go which a more economical option go with gixxer but if you want a sporty looking new bike (gixxer sf is not a sports bike , it's more like a sports tourer) go with Gixxer Sf. LOOKS ARE SUBJECTIVE - so it's upto you which bike suits you best and which bike you like. Good Luck !!