Monday, 27 September 2010

Fuel Efficiency


Let's set the context, before I give the final average. We had a fully loaded swift - 5 adults with 8 baggages - a sight that would give the engineer responsible for design and calculation of car's ground clearance nightmares! The car was atleast 300-400 kgs more in weight than a typical highway drive car.

Further, we went through very different types of roads and terrains. We did the Himalayas for 3 days, we did travel on not so great roads, we did a lot of travel where one had to break and accelerate in cycles and yes, we did have lady luck shining for us on the golden quadrilaterals and the empty top quality highways of Rajasthan - in short, it was indeed a good mixture of highway driving conditions.

Further, the A/C was operational for the entire journey.

The car gave a total fuel average of 13.6 kms / litre of fuel. This is a 2006 model Petrol Swift, which means that it does not have the advantage of the new more efficient K series engines. So, overall we were satisfied with the fuel efficiency. On Golden Quadrilateral, the efficiency jumped to around 15 and sometimes 16 km/ litre. On the hills we got between 10.3-12.5 kms/litre and 11-12 on bad/ congested roads per se.

Here is the list of our fuel refills and fuel efficiency for each refill. There is always a bit of error involved to the extent the tank is filled, I would estimate that all these figures are probably accurate to +/- 0.5 kms/ litre, or in other words +/- 1 litre of fuel filled.

In my initial trip budgeting, I had assumed an average of 12.5 kms/ litre - in the end, I should be more than happy with 13.6 kms/ litre.


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