What is the fuel consumption of the 1.4-liter Jetta?

2 Answers
AveryMarie
08/28/25 2:16am
The fuel consumption of the 1.4-liter Jetta is 5.7 liters per 100 kilometers. Below are the specific details of the 1.4-liter Jetta: 1. Engine: The Jetta uses a new 1.5L naturally aspirated engine to replace the 1.6L engine. This engine features dual variable valve timing technology, and the compression ratio has been increased from 10.5:1 in the 1.6L engine to 11:1. As a result, this engine maintains the same power output while achieving lower fuel consumption. 2. Model: The new Jetta manual transmission model uses Volkswagen's renowned 5-speed MQ series manual transmission, which offers clear gear engagement and excellent handling. The precise snap-in gear engagement is a Volkswagen innovation, while the reverse gear continues the traditional push-down style, minimizing the action required to switch between reverse and first gear, making gear changes convenient and quick.
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LeKeegan
09/09/25 7:42am
I've been driving a 1.4-liter Jetta for several years now. In city driving, it averages around 7.5 liters per 100 kilometers, and on the highway, it drops below 6 liters, which is quite fuel-efficient overall. Many factors affect fuel consumption. For instance, in heavy traffic, consumption can spike to 8-9 liters, and driving habits like gently pressing the accelerator instead of aggressive acceleration save a lot of fuel. Environmental temperature also plays a role—cold starts in winter temporarily increase consumption. I make sure to perform regular maintenance, such as changing the oil and cleaning the air filter, to keep the engine running efficiently. Checking tire pressure is also important; too low pressure increases rolling resistance and fuel consumption. The 1.4T engine is designed for efficiency, averaging a stable 7 liters. I recommend new drivers maintain smooth driving to keep consumption low. Remember, as the car ages, worn spark plugs or carbon buildup in the fuel system can affect fuel economy, so don't delay necessary repairs. In short, choosing the right driving conditions and keeping up with maintenance saves both fuel and money.
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