What's the Difference Between 1.4T and 1.5L, Which One is More Fuel-Efficient?
2 Answers
The differences between 1.4T and 1.5L are as follows: 1. Different characteristics: 1.4T is turbocharged, while 1.5L is naturally aspirated. 2. Different power: The 1.5L engine has weaker power, and cars equipped with a 1.5L engine generally have poorer acceleration performance, but they are cheaper and have lower maintenance costs. 3. Different fuel consumption: The 1.4T engine has better fuel efficiency compared to the 1.5L, but it consumes more engine oil. 4. Different ranges: In China, the classification of car levels is determined by engine displacement. Mini cars have a displacement of ≤1.0L, compact cars range from 1.0—1.6L, midsize cars range from 1.6—2.5L, executive cars range from 2.5—4.0L, and luxury cars have a displacement of >4.0L.
I recently drove a 1.4T car and felt quite a difference compared to a 1.5L. The 1.4T is turbocharged—the engine is smaller but the turbo adds extra power, making it more exciting when climbing hills or on highways, unlike the smoother and more linear feel of the naturally aspirated 1.5L. In terms of fuel efficiency, the 1.4T generally saves more, especially in city traffic, as it only boosts when needed, making better use of exhaust gases. However, the 1.5L I drove wasn’t bad at steady highway speeds—it just consumed slightly more fuel during acceleration. Overall, the 1.4T is more fuel-efficient, but this depends on driving habits. Aggressive acceleration or using the AC can affect fuel consumption, so test-driving both is a good idea. Developing smooth driving habits is key—it helps save money and reduce emissions, no matter which car you choose.
