Is It Worth Buying a Three-Cylinder Car?

2 Answers
OJohnny
07/28/25 7:10pm
Three-cylinder cars are indeed worth purchasing. Due to their inherent structure, they excel in fuel consumption control. The downsizing of the engine results in a more compact size and higher power density, along with improved thermal efficiency. The structural design leads to lower pumping losses, and the smaller cylinder block reduces friction losses during operation, consequently lowering heat dissipation losses. Compared to four-cylinder engines, three-cylinder engines experience less exhaust interference. When paired with small-inertia turbo technology, three-cylinder engines offer better low-end torque and reduced turbo lag than their four-cylinder counterparts. Additionally, the smaller and lighter engine reduces overall vehicle weight, while the compact size saves space in the engine compartment, providing room for electrification components.
Was this review help?
19
4
Share
Mandy
08/12/25 12:24am
I've been driving for over twenty years, from the old three-cylinder engines to the latest models. The older three-cylinder engines had significant vibration and weak power, making driving genuinely uncomfortable and easily fatiguing. However, with today's technological advancements, many automakers use balance shafts and active noise cancellation to reduce vibration and noise. For example, the three-cylinder version of the Ford Focus drives quite smoothly. If you only use it for city commuting or short trips, a three-cylinder car is indeed fuel-efficient and cost-effective, saving you one or two hundred yuan on gas each month. But if you frequently drive on highways or mountain roads, the lack of power and slow acceleration might leave you slightly disappointed when overtaking. For long-term use, it's best to choose a reliable brand—don't just go for the cheapest option. Overall, take a test drive before deciding. Personally, I think it's not that you can't buy one, but it depends on your driving habits, as comfort is key.
Was this review help?
2
2
Share
Expand All
More Forum Discussions

Should the clutch be depressed when starting a manual transmission car?

Starting a manual transmission car requires depressing both the clutch and the brake. Detailed explanations are as follows: 1. Benefits of depressing the clutch when starting: (1) Depressing the clutch pedal before starting the vehicle prevents the car from suddenly lurching forward if the gear is not in neutral, avoiding potential hazards. (2) Completely disconnects the load from the engine output, allowing the starter motor to operate with minimal load, which helps prolong its lifespan. 2. Additional information: Benefits of depressing the brake when starting: Prevents accidents caused by the car surging forward if you forget to depress the clutch when starting in gear. Depressing the brake when starting in gear can instantly restrain the engine and prevent accidents.
9
4
Share

What Causes the Throttle to Be Hard to Press?

There are several reasons why the throttle may be hard to press: 1. Severe carbon buildup in the engine's throttle body. 2. The throttle cable is broken. 3. The vehicle's throttle pedal is obstructed by floor mats or other objects. Before driving, it is essential to inspect the tires, brake pedal, throttle pedal, and clutch pedal to avoid malfunctions during operation. The reasons why a scooter frequently slows down and stalls are as follows: 1. Clogged fuel filter screen: Insufficient fuel supply when accelerating leads to stalling. After stopping, gasoline flows back into the float chamber, allowing the engine to restart. However, when accelerating again, the fuel level in the carburetor drops, and the main jet cannot draw fuel, causing another stall. 2. Clogged main jet in the carburetor: This may be due to dirty gasoline or fuel degradation from prolonged inactivity, forming deposits that block the main jet. 3. Engine overheating causing slight cylinder expansion: If the cylinder is expanded, it is necessary to visit a repair shop to replace the cylinder block, piston, and piston rings.
14
1
Share

What are the Principles and Structure of a Diesel Engine?

1. Working Principle of Diesel Engine: Most commonly used are four-cylinder, six-cylinder, and eight-cylinder engines. The working principle of a diesel engine is to compress the gas itself, rely on combustion to generate power, and drive the flywheel to rotate, storing energy for the next cycle of work. It produces a significant amount of exhaust pollution, which is why cars have switched to gasoline or even new energy sources to replace diesel. 2. Structure of Diesel Engine: The structure of a diesel engine can be divided into: the engine block, two major mechanisms, and four major systems. The engine block forms the framework of the diesel engine and consists of the cylinder block and the crankcase. The two major mechanisms are the crankshaft connecting rod mechanism and the valve train mechanism. The four major systems of a diesel engine are the fuel supply system, lubrication system, cooling system, and starting system. A diesel engine is a type of compression-ignition internal combustion engine.
7
1
Share

What are the effects of blocking the EGR in a diesel vehicle?

EGR long open state, at this time the vehicle will exhibit black smoke emission, lack of acceleration power, and increased fuel consumption. In this case, it is necessary to replace or clean the EGR valve. Below are specific details about the EGR valve: 1. Overview: The EGR valve is a mechatronic product installed on diesel engines to control the amount of exhaust gas recirculated back into the intake system. It is typically located on the right side of the intake manifold, near the throttle body, and is connected to the exhaust manifold via a short metal pipe. Its function is to regulate the amount of exhaust gas entering the intake manifold, allowing a certain amount of exhaust gas to flow into the intake manifold for recirculation. The EGR valve is a very important and critical component in the exhaust gas recirculation system. 2. Classification: EGR valves are divided into mechanical and electronic control types. 3. Working principle: The EGR valve guides the exhaust gas from engine combustion into the intake manifold to participate in combustion, thereby reducing the combustion chamber temperature, improving engine efficiency, enhancing the combustion environment, reducing engine load, effectively decreasing NOx emissions, reducing knocking, and extending the service life of various components.
2
0
Share

What Causes Water Dripping Under the Magotan Car?

Water dripping under the Magotan car may be caused by condensation from the air conditioning, a malfunction in the radiator cooling system, or dripping from the windshield. Below is an introduction to the Magotan: 1. Overview: The Volkswagen Magotan originates from the Future B6, which is closely related to the Passat B6. It is the first B-segment sedan to be produced and sold by FAW-Volkswagen since its establishment. According to FAW-Volkswagen, "Ma" symbolizes confidence, decisiveness, and dynamism, while "gotan" represents soaring, surpassing, and passion. 2. Features: The Magotan is equipped with a 1.8 TSI engine, the latest generation from Volkswagen Germany, which incorporates the most advanced engine technology globally and leads the development trend of gasoline engines. The new 1.8 TSI engine combines turbocharging technology with direct fuel injection, providing greater power and improved torque characteristics.
16
3
Share

Why does the idle speed become high after cleaning the throttle?

The reason for high idle speed after cleaning the car's throttle is: The carbon deposits in the throttle device are cleaned, resulting in more air intake than normal, which causes the high idle speed. Here is an introduction to the relevant knowledge about car idle speed: 1. Concept definition: Idle speed is a working condition of the car, referring to the engine running in neutral gear. The engine speed at idle is called idle speed. The idle speed can be adjusted by changing the throttle size, etc. Idle speed means the engine "outputs power but does no work." 2. Classification: It can be divided into normal idle, driving idle, and unstable idle.
5
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.