What is the fuel tank capacity of the 2018 Jetta?

2 Answers
JeffreyMarie
07/24/25 1:31am
54 liters. Gasoline has the following three characteristics: 1. Volatility: Gasoline must quickly vaporize and form a uniform combustible mixture with air in the engine cylinder, which is mainly determined by the gasoline's own volatility. The main indicators reflecting volatility are distillation range and saturated vapor pressure; 2. Stability: The ability of gasoline to resist oxidation under normal temperature and liquid phase conditions is called the oxidation stability of gasoline. The indicators for evaluating gasoline stability include iodine value, actual gum, and induction period; 3. Anti-knock property: The property that measures whether a fuel is prone to knocking is called anti-knock property. The anti-knock property of gasoline is indicated by the octane number. The higher the octane number of gasoline, the better its anti-knock property. For the same hydrocarbon family, the smaller the carbon number, the better the anti-knock property and the higher the octane number.
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VanJune
08/10/25 9:10pm
I remember the 2018 Jetta has a fuel tank capacity of around 55 liters, which is just right for me. As someone who drives dozens of kilometers daily for commuting, a full tank can last 500-600 kilometers, basically covering a week. With my old car, I had to visit gas stations frequently, but now I save a lot of time. However, if you have a habit of aggressive acceleration, fuel consumption will increase significantly. I recommend maintaining smooth acceleration and avoiding sudden braking to save on fuel costs. The Jetta is generally fuel-efficient, with a well-designed fuel tank placement that prevents leaks even on bumpy roads. Don’t forget to check tire pressure regularly—low pressure increases fuel consumption. This is a handy tip I’ve learned from experience, and it can also extend your fuel tank’s lifespan.
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