The performance of the IS 300c in terms of fuel consumption can vary based on several factors.

To understand its fuel consumption better, let's look at some relevant aspects.

First, driving habits play a crucial role. Aggressive driving, frequent acceleration and braking, can increase fuel consumption. On the contrary, smooth and steady driving helps save fuel.

Second, road conditions matter. Driving in stop-and-go traffic or on hilly terrain can lead to higher fuel consumption.

Third, vehicle maintenance is important. Regular servicing, proper tire inflation, and clean air filters can improve fuel efficiency and thus reduce fuel consumption.

The engine type and size of the IS 300c also affect its fuel consumption. Generally, larger engines tend to consume more fuel.

To get an accurate idea of the IS 300c's fuel consumption, it's best to refer to official fuel economy ratings provided by the manufacturer or real-world data from reliable automotive sources.

By considering these factors and being mindful of driving and maintenance practices, you can better manage and predict the fuel consumption of the IS 300c.