How does the Kia Sonet's fuel efficiency compare to other vehicles in its class?

The fuel efficiency of the Kia Sonet varies depending on the engine option and transmission choice. The 1.2-liter petrol engine with the 5-speed manual gearbox has a claimed fuel efficiency of around 18 kmpl, while the 1.5-liter diesel engine with the 6-speed manual gearbox has a claimed fuel efficiency of around 24 kmpl.