Tata introduced the Tiago hatchback in 2016 with a choice of manual or AMT gearboxes and both gasoline and diesel engine choices. Tata, however, abandoned the diesel engine when the switch to BS6 was made in 2020. Since its release, the hatchback has sold over 4,00,000 copies, which says something about people's trust in the vehicle and is further bolstered by its 4-star GNCAP certification. We outline how far the BS6 petrol-manual Tiago gets you on a single tank of fuel.