Are Gasoline Cars or Diesel Cars More Fuel-Efficient?

1 Answers
LeJulian
07/29/25 10:48pm
Diesel cars are more fuel-efficient than gasoline cars. Here are some introductions about diesel cars and gasoline cars: 1. Reasons for fuel efficiency: Diesel cars are more fuel-efficient than gasoline cars, which is determined by the technical characteristics of the engine. Because the compression-ignition diesel engine has a higher energy conversion ratio than the spark-ignition gasoline engine, the energy consumption is 45%-60% of that of the gasoline engine. 2. Power: The low-speed torque of diesel engines is greater than that of gasoline cars. With the same displacement, when starting and climbing hills, you will feel that the diesel car has stronger power. Compared with gasoline, diesel is less volatile, has greater power, and a higher ignition point. Small diesel engines are one-third more fuel-efficient than gasoline engines. The compression-ignition diesel engine has a higher energy conversion ratio than the spark-ignition gasoline engine, and the energy consumption is 45%-60% of that of the gasoline engine.
Was this review help?
12
5
Share
More Forum Discussions

Where is the Peugeot 301's cabin air filter located?

The Peugeot 301's cabin air filter is located inside the glove compartment on the driver's left side. Open the cover panel near the front passenger's left foot area, press inward at the center of the glove compartment, then pull firmly when the lower corner comes out. Functions of the car cabin air filter: 1. It filters air entering the vehicle interior from outside, improving air cleanliness. 2. Provides passengers with a good air environment and protects occupants' health. Peugeot 301 specifications: 1. The Peugeot 301 is a new-generation quality pioneer mid-size sedan. 2. Dimensions: 4442mm (length) × 1748mm (width) × 1476mm (height), with a wheelbase of 2652mm.
6
4
Share

Is the Sagitar equipped with a dry or wet clutch?

The Sagitar utilizes a dry dual-clutch transmission. Below is an introduction to dual-clutch transmissions: 1. There are two types of dual-clutch transmissions: dry and wet. 2. The clutch plates in a dry dual-clutch transmission are not immersed in transmission fluid, whereas those in a wet dual-clutch transmission are submerged in transmission fluid. 3. Dry dual-clutch transmissions offer faster gear shifts but have poorer heat dissipation and more noticeable jerking. Wet dual-clutch transmissions shift more slowly than dry ones but provide better heat dissipation, greater reliability and stability, and smoother gear shifts. 4. Wet dual-clutch transmissions can handle higher torque than dry dual-clutch transmissions.
20
3
Share

Is It Normal for the Baojun 730 Engine to Leak Oil?

It is necessary to check the extent of the engine oil leakage. If it is only a slight seepage, it is a normal phenomenon due to the natural permeation of engine oil. However, if the engine oil leakage is severe, it should be addressed at a repair shop as soon as possible. Causes of engine oil leakage: The reasons for engine oil leakage include damage to the engine cylinder gasket, oil pan gasket, or sealing rings; damage to the front and rear crankshaft oil seals or camshaft oil seals; or loose fastening screws. Baojun 730: The new Baojun 730 automatic transmission model is equipped with a 6-speed wet dual-clutch transmission. This automatic transmission can withstand a maximum torque of 360N·m and features BorgWarner's pre-engagement technology paired with dual-clutch adaptive control, enabling rapid gear shifts in just 0.2 seconds.
9
2
Share

What tires does the Golf use?

Golf uses tires with the model number 205/55/R16. Here is some relevant information about car tires: 1. Car tires are often used under complex and demanding conditions, enduring various deformations, loads, forces, and high and low temperatures while driving. 2. Tires not only bear and roll but also generate friction through their tread blocks with the road surface, becoming the source of power for driving, braking, and steering. Below is a brief introduction to the Golf: The Golf is a classic hatchback small family car introduced by FAW-Volkswagen. Taking the Golf 6 as an example, it abandoned the Volkswagen family-style "large U-shaped front face," and the entire front face style is more similar to the Volkswagen Scirocco.
14
0
Share

How to Adjust the Audio System in Passat?

Passat audio adjustments can be made in the 'tone' settings, where you can configure music genres, bass and treble, loudness, and the volume of front, rear, left, and right speakers. You can also adjust high, mid, and low frequencies. It is recommended to attenuate the bass as the low frequencies are somewhat excessive, leading to noticeable standing waves. Below are some audio tuning tips: 1. Slightly attenuate the high frequencies. Due to the masking effect, reducing the low end can highlight the delicacy and spatial sense of the high-frequency range. 2. Start by tightening the sound to avoid muddiness. Significantly attenuating the residual bass will result in a cleaner and fresher sound. 3. Cut frequencies below 60 Hz to enhance the low-end response speed and boost the 160 Hz range for a richer and fuller sound effect.
19
1
Share

Where is the Altima's cabin air filter located?

Nissan Altima's cabin air filter is installed under the glove box on the left foot position, towards the inner side, without needing to remove any decorative panels or the glove box. The functions of the cabin air filter are as follows: 1. It ensures the filter fits tightly against the housing, preventing unfiltered air from entering the cabin. 2. It separates solid impurities such as dust, pollen, and abrasive particles from the air. 3. It adsorbs moisture, soot, ozone, odors, carbon oxides, SO2, CO2, etc., from the air, with strong and lasting moisture adsorption capability. 4. It prevents car windows from fogging up, ensuring clear visibility for drivers and passengers and safe driving; it provides fresh air to the cabin, preventing occupants from inhaling harmful gases and ensuring driving safety.
17
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.