You may check out the following article for more details: How Different Is The Hero Passion Pro BS6 From The BS4 Model?.

Hero Passion Pro features a saddle height of 799mm which is fairly accessible for riders of all heights. This is possible due to the bike’s saddle design which is quite narrow near the tank ...

The BS6 Passion Pro is available in two disc brake and two drum brake variants. Hero Passion Pro gets a 10-litre fuel tank and comes with Hero’s i3S technology which claims to give a better fuel ...

Glide Through Technology, and the fuel-injected motor. Its main competitors will be Bajaj Platina 110 H-Gear, Honda Livo BS6, and the Hero Passion Pro BS6.