The TVS XL 100 has a fuel efficiency of around 60 kmpl under standard riding conditions. The fuel efficiency may vary depending on factors such as riding style, load, and road conditions. The bike has a large fuel tank capacity of 4 litres, which allows it to cover a distance of up to 160 km on a single tank of fuel. The high fuel efficiency of the bike makes it an ideal choice for daily commutes and other utility purposes.