What is the fuel efficiency of the Mahindra XUV300, and does it affect the car's overall performance and driving experience?

The Mahindra XUV300 offers good fuel efficiency, with the petrol variant providing a mileage of around 17 km/l and the diesel variant providing a mileage of around 20 km/l. The car's fuel efficiency does not affect its overall performance, as the engine is well-tuned to provide good performance while also being fuel-efficient.