Which consumes more fuel, 1.5T or 2.0 naturally aspirated?

1 Answers
DelVincent
07/29/25 2:26pm
Theoretically, the 2.0L engine consumes more fuel, but this is not absolute. It also depends on the vehicle's weight and the transmission structure equipped with these two types of engines. If two cars have the same weight and travel the same distance at the same speed, they will consume the same power and energy. However, this scenario has a condition: the engine displacements of the two cars should not differ too much. Here is an introduction to 1.5T and 2.0 naturally aspirated engines: 1. Under different road conditions: The fuel consumption of a 1.5T engine is comparable to that of a 2.0 naturally aspirated engine. Moreover, influenced by the vehicle's weight, your smaller displacement car might waste more fuel during acceleration. In particularly congested urban areas, the fuel consumption of a 1.5T engine might even exceed that of a 2.0L engine. 2. In terms of power: The 1.5T engine utilizes a turbocharged engine, which has the advantages of quick acceleration and high torque. The role of turbocharging is to increase the engine's air intake, thereby enhancing the engine's power and torque, making the vehicle more powerful. On the other hand, the 2.0L engine is naturally aspirated, meaning it draws air into the combustion chamber without any supercharger, relying solely on atmospheric pressure. Generally speaking, a 1.5T engine is more powerful and fuel-efficient than a 2.0L engine, but this comparison is only valid within the same brand. For different brands, whether an engine is fuel-efficient depends on the engine's technology.
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