What type of fuel economy can one expect from the Maruti Suzuki WagonR, and how does it compare to other cars in its class?

The Maruti Suzuki WagonR is a relatively fuel-efficient car, with a claimed mileage of up to 21.79 kmpl for the petrol variant and 33.54 km/kg for the CNG variant. The fuel economy of the car is comparable to other cars in its class, and it can provide good savings on fuel costs.