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What is the fuel consumption of Jetta diesel?

3 Answers
Olivia
07/29/25 3:27am
Jetta diesel fuel consumption is 6-8 liters per 100 kilometers. The following is a detailed introduction: 1. Introduction: Diesel is a light petroleum product, a complex mixture of hydrocarbons (carbon atoms number about 10 to 22). It is used as diesel engine fuel. It is mainly composed of diesel fractions produced by processes such as crude oil distillation, catalytic cracking, thermal cracking, hydrocracking, and petroleum coking; it can also be produced by shale oil processing and coal liquefaction. It is divided into light diesel (boiling point range about 180~370℃) and heavy diesel (boiling point range about 350~410℃). It is widely used in large vehicles, railway locomotives, and ships. 2. Uses: The most important use of diesel is for diesel engines in vehicles and ships. Compared with gasoline, diesel has a higher energy density and lower fuel consumption rate. Diesel has low energy consumption, so some small cars and even high-performance cars have switched to diesel.
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Kara
08/12/25 2:10pm
As a Jetta diesel owner for five years, I find the fuel consumption really economical. For daily city driving, the average is about 5 liters per 100 km; on highways, it can drop to just over 4 liters, making it great for long trips. I remember a period when I drove aggressively with frequent rapid acceleration and braking, and the consumption soared above 6 liters—so driving habits matter a lot. Smooth starts and deceleration save money. Also, regular maintenance like oil changes and air filter cleaning makes a big difference. Keeping the engine running smoothly helps maintain low fuel consumption. Neglecting maintenance reduces efficiency and increases fuel use. Overall, the Jetta diesel's combined consumption fluctuates between 4 to 6 liters, depending on driving conditions and location. For new buyers or those concerned about costs, tracking mileage per tank is practical for monitoring and adjustments.
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VonPaislee
10/02/25 6:21am
Based on my automotive observation experience, the fuel consumption data for Jetta diesel models is quite reliable. The official combined fuel consumption is generally rated around 4.5 liters per 100 kilometers, though actual figures vary by driver—urban congestion may push it above 5 liters, while suburban or highway driving with good conditions can bring it back to just over 4 liters. This efficiency stems from its diesel engine design, which delivers high performance while saving fuel costs, unlike more energy-intensive gasoline vehicles. However, I should note that model year makes a difference; post-2020 versions with optimized engines tend to stay closer to 4 liters, whereas older models might reach 5.5 liters. Variables like tire pressure and load also play a role—for instance, my fuel consumption noticeably increased when fully loaded with luggage on mountain roads. For accurate estimates, I recommend checking the owner’s manual or real-world test values shared on online owner forums, which are far more truthful than advertisements. Overall, driving such cars proves cost-effective, slashing monthly fuel expenses significantly.
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