What is the typical fuel consumption of a 1.8L naturally aspirated engine?
2 Answers
1.8L naturally aspirated engines typically consume around 8L/100km. Working principle of naturally aspirated engines: A naturally aspirated engine does not have a supercharger. Air simply passes through the throttle body, intake manifold, and reaches the cylinders. Gasoline is directly injected into the intake manifold via fuel injectors. Methods to determine fuel consumption: Fuel consumption can be checked through the car's dashboard, where F=full represents a full tank and E=empty indicates an empty tank. When the fuel warning light comes on, record the mileage. When the fuel is completely consumed next time, record the mileage again. Subtract the initial mileage from the current mileage, then divide by the fuel amount to calculate the fuel consumption.
I've driven several older 1.8L naturally aspirated cars, with average fuel consumption generally around 9-12L/100km. In city traffic congestion, it can spike above 15L, while highway cruising can drop to 7-8L. Driving habits make a big difference - aggressive acceleration and braking can easily add 3-4L, so I always recommend smooth acceleration and anticipating road conditions. Maintenance is also crucial - regular air filter and oil changes can reduce consumption by 1-2L. From my own experience, using AC in summer increases fuel consumption by 10%, and underinflated tires also waste fuel. Compared to turbocharged engines, naturally aspirated ones are simpler to maintain but slightly less economical. When choosing a car, it's best to test drive several models and compare real-world data.
