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What is the fuel consumption of the 2021 Elantra?

3 Answers
Autumn
07/29/25 6:30pm
The fuel consumption of the 2021 Elantra is 5.40L/100KM. Here are the relevant details: 1. Constant-speed fuel consumption: Fuel consumption generally refers to constant-speed fuel consumption, which is the vehicle's fuel consumption per 100 kilometers obtained in the constant-speed driving fuel consumption test specified by national standards for certain types of vehicles. 2. Test method: The test can be conducted on the road or on a chassis dynamometer, and then the fuel consumption per 100 kilometers is calculated using the "flow meter method" or "carbon balance method". The fuel consumption test method for passenger cars adopts speeds of 90km/h and 120km/h; the fuel consumption test method for commercial vehicles starts at a speed of 20km/h, with speeds selected in integer multiples of 10km/h uniformly until 90% of the maximum speed, and at least 5 test speeds are measured.
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StHenry
08/14/25 11:30am
I've been driving the 2021 Elantra for a while now, and the fuel consumption experience has been quite practical. The average combined fuel consumption is about 7 liters per 100 kilometers, dropping to around 6 liters on the highway, but it immediately rises to over 8 liters when encountering city traffic congestion. My driving habits have a significant impact—aggressive acceleration or frequent braking noticeably increases fuel consumption. I recommend driving gently and maintaining steady speeds; regularly checking tire pressure and inflating to the standard value can also save some fuel. On the highway, using the air conditioning doesn’t change fuel consumption much, but the heater in winter uses a bit more. A full tank can cover over 600 kilometers, making long trips very convenient. Overall, the fuel consumption is stable and reliable, suitable for daily commuting or family trips. Maintaining the engine filter and avoiding overloading can further optimize fuel efficiency.
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LilyMarie
10/14/25 6:29am
As a car enthusiast, the fuel consumption design of the 2021 Elantra is quite ingenious, with an official combined figure of approximately 6.5 liters per 100 kilometers, and as low as 5.8 liters on highways. This is attributed to the efficient 1.6L GDi engine and CVT transmission, which optimize fuel efficiency. The aerodynamic body reduces drag, and the intelligent start-stop technology helps save fuel in urban areas. During daily driving, maintaining the engine speed around 2,000 RPM is the most economical; using high-quality engine oil for maintenance can enhance efficiency. Fuel consumption may vary slightly due to road conditions and load, but the overall level is outstanding among its peers. Paying attention to factors like vehicle weight and wind resistance can help better understand the fuel consumption mechanism. This car boasts strong fuel economy, making it suitable for drivers who seek both performance and environmental friendliness.
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