What is the general capacity of a car fuel tank in liters?

2 Answers
MacReid
07/24/25 3:50pm
Car fuel tanks generally hold 50 liters, but the standard volume indicated in the vehicle configuration sheet is not the maximum capacity. According to international standards, liters are used as the unit of measurement for car fuel tank capacity, and different countries and regions have corresponding standards for fuel tank capacity. Car fuel tank standard specifications: 1. Relevant national standards specifically stipulate that the nominal capacity of a car fuel tank must not exceed 95% of the actual capacity. Small cars typically have fuel tank capacities of 35 to 45 liters, while mid-sized cars have capacities of around 55 to 75 liters; 2. The fuel tank volume (L) refers to the size of the fuel tank and represents a vehicle's ability to carry fuel; 3. Each vehicle model has a different fuel tank capacity, and even within the same category, different brands may have varying fuel tank volumes. Most car manufacturers follow a general rule that a full tank of fuel should support a driving range of around 600 kilometers, and not less than 500 kilometers.
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LaJackson
08/11/25 8:49am
I've driven several cars, and the difference in fuel tank sizes is really significant. For small cars like compact sedans, the tank is usually around 40 to 50 liters, and a full tank can last over 500 kilometers. For SUVs, it's larger, typically 60 to 70 liters, with some off-road models even exceeding 80 liters. My current car has a 55-liter tank, and in city driving, a full tank lasts about two weeks. However, a tank that's too big can be troublesome—fueling up costs more, and the extra weight affects fuel efficiency. I recommend choosing a moderate size that's both economical and convenient for daily use. Additionally, there's considerable variation between brands; Japanese cars often have smaller tanks, while German or American cars tend to have larger ones, so check the manual when buying. If you frequently drive long distances, opting for a car with a larger tank saves you from frequent stops at gas stations.
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