···
Log in / Register

How to Classify Car Levels?

4 Answers
IslaRose
09/06/25 3:29am

Cars are classified based on their wheelbase and engine displacement. The classification methods are as follows: 1. A00-class cars have a wheelbase between 2000mm to 2200mm and an engine displacement of 1L or less; 2. A0-class cars have a wheelbase between 2300mm to 2450mm and an engine displacement between 1L to 1.6L; 3. A-class cars have a wheelbase between 2450mm to 2600mm and an engine displacement between 1.6L to 2.0L; 4. B-class cars have a wheelbase between 2600mm to 2750mm and an engine displacement between 1.8L to 2.4L; 5. C-class cars have a wheelbase between 2800mm to 3000mm and an engine displacement between 2.3L to 3.0L; D-class cars have a wheelbase greater than 2800mm and an engine displacement above 3.0L.

Was this review help?
1
0
Share
McAlejandro
09/18/25 3:30am

Car classification is mainly based on vehicle size, such as wheelbase and length. When I usually drive and choose a car in the city, compact A-segment cars have a short wheelbase under 2.6 meters, making them suitable for narrow-road parking, but they have smaller trunks. Mid-size B-segment cars have a wheelbase of 2.6-2.7 meters, offering comfortable space that can easily fit a baby stroller. Luxury C-segment cars exceed 2.7 meters in wheelbase, providing ample rear legroom, but they are more expensive to fuel and harder to park. Longer wheelbases generally offer better stability, while shorter cars are more agile. In terms of price, most A-segment cars cost under 150,000 yuan, B-segment cars range from 150,000 to 250,000 yuan, and C-segment cars exceed 250,000 yuan. This classification affects daily usage—smaller cars are fuel-efficient and easy to park, while larger cars are better suited for long-distance highway driving. Having driven different segments, I've found that choosing the right one can save both money and hassle.

Was this review help?
18
4
Share
Expand All
ElainaFitz
11/01/25 3:57am

From a technical parameter perspective, vehicle classification depends on wheelbase and engine displacement. I enjoy studying these details when working with cars. Compact A-segment cars have a wheelbase under 2600mm, paired with small 1.0-1.6L engines - weaker power but better fuel efficiency; B-segment vehicles feature 2600-2750mm wheelbases and 1.6-2.0L engines, offering quicker acceleration and stable highway performance; Luxury C-segment models exceed 2750mm wheelbase with 2.0L+ large-displacement engines delivering strong horsepower plus air suspension for superior comfort. Displacement affects noise and range - small engines run quietly in cities while large ones excel on highways with higher maintenance costs. Safety equipment scales with class - entry-level may have just two airbags whereas premium models can feature up to six. I prioritize matching these parameters to intended usage when selecting vehicles.

Was this review help?
18
3
Share
Expand All
GabriellaFitz
12/15/25 4:05am

Differentiating car classes helps me save money. Class A compact cars are cheap with low insurance and fuel costs, ideal for city commuting; Class B mid-size cars have moderate prices and maintenance, offering spacious practicality; Class C luxury cars incur high expenses with soaring insurance premiums. Driving a Class A saves me hundreds on monthly fuel and parking fees, though it feels less stable on highways. Higher classes consume more resources, with increased maintenance costs—like pricier tire replacements. Choose based on lifestyle: for budget-focused savings, Class A offers the best value.

Was this review help?
11
5
Share
Expand All
More Forum Discussions

How many types of materials are there for car roofs?

Car roof materials include: Needle-punched roof lining: Made of polyester material, with a fluffy texture, priced in the low to medium range, commonly used in many sedans and minivans. Non-woven stitched roof lining: Also made of polyester material, featuring a loop structure similar to warp knitting, with the added characteristic of good elasticity in the thickness direction, a mid-to-high-end material increasingly adopted by more vehicle models. The following is a related introduction to car roofs: Concept of car roof: The headliner is the material covering the vehicle's ceiling, but its function goes beyond just hiding exposed metal with a color-coordinated soft fabric. Function of car roof: The roof lining provides thermal insulation and soundproofing effects, and can also conceal wiring and hardware for electrical components, antennas, and other accessories.
5
1
Share

Can Car Horn Sounds Be Modified?

Car horn sounds can be modified, but it requires registration. Modifying a car's horn must be registered with the relevant authorities. Failure to do so constitutes a violation of the law, and the vehicle will not pass the annual inspection. In such cases, the owner will be required to rectify the modification before the vehicle can be re-inspected. The cost of modifying the horn depends on the quality of the replacement horn. Definition of Illegal Modifications: Illegal modifications refer to alterations made to a car's appearance, power system, transmission system, or braking system that are not permitted by national laws or exceed the original load capacity designed by the car manufacturer. The reason why the state prohibits illegal car modifications is that modified vehicles have not undergone safety assessments, making them prone to traffic accidents. Areas Covered by Illegal Modifications: Illegal modifications include alterations to key parts of the car, such as the exterior appearance, logos, sunroof, luggage racks, as well as modifications to the rear spoiler, tires, rims, and chassis. Interior modifications include changes to the steering wheel, seats, and dashboard. Modifications to the power system include alterations to the exhaust pipe, engine power, and actual power output.
4
3
Share

What Happens If You Turn Off the Engine Without Engaging the Handbrake?

Turning off the engine without engaging the handbrake does not affect the brake pads. However, it can impact the metal cables of the handbrake. It is not necessary to pull the handbrake too high; even when parking on a slope, it is not recommended to pull it too high. Instead, you can place bricks in front of or behind the wheels. After parking and turning off the engine, it is essential to engage the handbrake first, as it benefits the vehicle. This is a standard regulation for all manufacturers and models. Here are the specific reasons: Engaging the handbrake after turning off the engine is a default rule: After parking the car with the gear engaged, not using the handbrake offers no benefits and only causes harm. Every manufacturer and model mandates engaging the handbrake after parking and turning off the engine. No model allows parking and turning off the engine with only the gear engaged and no handbrake. Risks of not engaging the handbrake: For gasoline vehicles, parking on a flat surface and turning off the engine with only the gear engaged and no handbrake may keep the car stable, but it provides no benefits to the vehicle and poses potential risks.
9
0
Share

Can I Take the Subject 4 Exam Without an ID Card?

If you don't bring your ID card, you cannot participate in the Subject 4 exam. The ID card, student card, and personal file are essential documents; missing any one of them will disqualify you from taking the Subject 4 exam. Materials Required for Subject 4: Items needed for the Subject 4 exam include an ID card, student card, exam file, etc. Some locations might also require a photo for the driver's license. Usually, if the driving school schedules the Subject 4 exam on your behalf, you only need to bring your ID card. Before the driving school organizes a group trip to the DMV for the exam, they will hand over the student card and file to the student. Documents in the File: No documents should be missing from the file. The file contains a medical examination form, motor vehicle driving skills test admission ticket, driver's license application form, copies of identification documents, and score sheets for each subject, among others. Typically, the file is kept by the DMV and the driving school, so it's rare for a single document to go missing. However, before the Subject 4 exam, the driving school might give the file to the student in advance, requiring the student to keep it safe. Losing the file can lead to severe consequences and significant costs.
12
2
Share

Will Poor Fuel Quality Cause the Engine Warning Light to Illuminate?

Poor gasoline quality can cause the engine warning light to illuminate. The following are the reasons that may trigger the engine warning light: Poor Fuel Quality: Many car owners notice that the engine warning light comes on after refueling, but the engine runs and sounds normal when the car is started. This is usually caused by fuel quality issues. Generally, adding a fuel additive or refueling with fresh gasoline after the current fuel is used up can resolve the issue. In such cases, the vehicle can continue to be driven without safety concerns. Oxygen Sensor Malfunction: If the engine warning light illuminates while driving, it is often due to a problem with the engine sensor. From a repair perspective, this phenomenon is typically caused by a faulty front oxygen sensor, which detects abnormal data in the air-fuel mixture ratio. A visit to a repair shop for computer diagnostics and replacement is necessary to fix this issue.
13
0
Share

Should fuel consumption be viewed after startup or after reset?

Fuel consumption should be viewed after reset. The post-reset reading represents the recent fuel consumption level, which reflects the current fuel usage. The average fuel consumption indicates the long-term average value of fuel consumption. Fuel consumption per 100 kilometers: This refers to the fuel consumption of a vehicle traveling 100 kilometers on the road at a certain speed. It is a theoretical indicator for vehicles. The fuel consumption per 100 kilometers is measured by manufacturers under controlled conditions using a dynamometer installed on the vehicle's chassis. The obtained values are converted into speed parameters, and then the theoretical experimental fuel consumption data per 100 kilometers is calculated for the vehicle model at specified speeds. Calculation method: The actual method to calculate fuel consumption per 100 kilometers: X/100=50/600, where X is the actual fuel consumption per 100 kilometers being sought, and the right side of the equation represents 50 liters of fuel consumed over 600 kilometers of driving. Solve the equation to find X.
9
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.