Which is more fuel-efficient, 1.0T or 1.5L?

2 Answers
LaZoe
08/26/25 3:40am
Generally, a 1.0T engine is more fuel-efficient than a 1.5L engine. Here are some ways to save fuel: 1. Regularly clean the trunk: Excess items increase the vehicle's weight, thereby increasing fuel consumption. To save fuel, car owners should not be lazy or sloppy—remember to clean the trunk regularly. Frequent car washing and waxing can also save fuel. Regular washing and waxing reduce air resistance, thereby improving fuel economy. Regular maintenance of the vehicle's mechanical components to keep it in good condition also helps reduce fuel consumption. 2. Avoid forcing the car when climbing steep slopes: When using a low gear, avoid pressing the accelerator too hard. Since the transmission ratio is fixed, pressing the accelerator to increase engine RPM for slight acceleration equates to high power at low speed, which wastes fuel. The correct method is to apply just enough throttle to overcome the uphill resistance. If conditions allow, you can use a higher gear and higher speed to climb the slope. 3. Avoid using the air conditioner at low speeds: Set the air conditioner to an appropriate temperature—not too high or too low. Set the air circulation system to the internal recirculation mode. Once the cabin reaches a comfortable temperature, you can temporarily turn off the air conditioner.
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McMaximus
09/08/25 4:25am
When it comes to fuel efficiency between 1.0T and 1.5L engines, as someone with some research on automotive engines, I believe the 1.0T turbocharged engine generally outperforms in fuel economy. Turbo technology enhances the power output of small-displacement engines, offering quicker throttle response during city commutes and relatively lower fuel consumption, averaging around 5-6L/100km, which is particularly noticeable in congested urban areas. On the other hand, the 1.5L naturally aspirated engine, while smooth and reliable, may consume more fuel during high-load acceleration or highway cruising, averaging about 6-7L/100km. However, actual fuel consumption is significantly influenced by vehicle weight and driving habits—aggressive acceleration can lead to wastage in either case. Personally, I recommend referring to official WLTP test data and selecting an engine based on your driving patterns, but overall, the 1.0T holds a clear advantage in fuel-saving performance.
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