
The classification of sedan levels originates from a grading method for cars by in Germany. Below is an introduction to the level classification and specific classification criteria: Level Classification: Car levels are generally divided into six categories: A00, A0, A, B, C, and D. These are respectively referred to as micro cars, small cars, compact cars, mid-size cars, full-size cars, and large cars. Specific Classification Criteria: A00 refers to micro passenger cars, A0 to small passenger cars, A to compact passenger cars, B to mid-size passenger cars, C to full-size passenger cars, and D to large passenger cars. The classification is primarily based on parameters such as wheelbase, engine displacement, and weight. The further the letter is in the alphabet, the longer the wheelbase, the larger the displacement and weight, and the higher the luxury level of the passenger car.

The classification of sedan cars is quite interesting. We generally categorize them into six levels based on size and purpose. The smallest is called a micro car, like the Wuling Hongguang , which is very short and easy to park, perfect for grocery shopping or picking up kids. A bit larger are small cars, with the Volkswagen Polo being a typical example, ideal for young people commuting. Compact cars are the most common, like the Corolla and Sylphy, offering affordable family use with sufficient space. Mid-size cars, such as the Accord and Camry, provide comfortable rear seating and can even be used for business receptions. Mid-to-large cars include models like the Audi A6 and BMW 5 Series, which are prestigious and suitable for business professionals. The top tier is luxury cars, like the Mercedes-Benz S-Class, where the rear seats can recline flat and even come with a fridge. Choosing a car based on your needs is always the right approach; starting with a small car is very suitable for young people.

Discussing sedan classifications must consider the characteristics of the Chinese market. Micro cars are just over three meters long, perfect for navigating narrow city alleys; small cars measure around four meters and can be purchased within a budget of 100,000 yuan; compact cars at 4.6 meters dominate ; midsize cars approach five meters, favored by middle-class families; full-size cars exceed five meters, offering rear seats spacious enough to cross legs; luxury cars serve as status symbols. Wheelbase is also crucial—compact cars with a 2.7-meter wheelbase comfortably seat three, while luxury cars boast a 3-meter wheelbase paired with airline-style seats. Recently, new energy vehicles have disrupted the market—models like the XPeng P7, sized as midsize sedans, offer tech features surpassing luxury standards. Prices range from 30,000-50,000 yuan to over a million, so setting a budget before choosing a category is the most practical approach.

The classification of sedans into A, B, C, and D levels is an old practice. Nowadays, categorization is more intuitive based on usage. Entry-level models like the Fit and Polo fall under the A0 segment—compact, easy to drive, and convenient for parking. Mainstream family cars such as the Corolla and Sagitar belong to the A-segment, offering practical space and low fuel consumption. B-segment representatives like the Accord and Magotan are suitable for both business and family use. C-segment vehicles such as the A6 and 5 Series are more luxurious than B-segment cars. Executive luxury cars refer to models like the S-Class and 7 Series, featuring rear seats with leg rests. Crossovers like the Model 3 are exceptions—their dimensions align with the B-segment, but their computing power reaches D-segment levels. Remember, the segment doesn’t equate to quality; some A-segment cars offer higher specs than entry-level B-segment models. In the used car market, B-segment vehicles hold their value best, making them a safe choice during transitional periods.

Domestic sedans are classified into six levels: Micro cars are under 3.7 meters in length, with the Wuling Hongguang as a representative. Small cars are around 4 meters, suitable for beginners to practice driving. Compact cars fall into the 4.6-meter range, with models like the Nissan Sylphy and Volkswagen Lavida, which sell over 10,000 units monthly, in this category. Mid-size cars start from 4.8 meters, with the Passat and Accord being the most balanced. The 5-meter benchmark for full-size cars is the Audi A6. Luxury cars exceed 5.2 meters, led by the Mercedes-Benz S-Class. Choosing a level depends on the scenario: young couples commuting should opt for small cars, families with children need compact cars, and business receptions require full-size cars. During times of high fuel prices, compact cars are recommended, as hybrids consume only four to five liters per 100 km. Additionally, electric vehicles have a more compact structure, offering more space than gasoline cars of the same size.

Car classification considers both size and positioning. Micro cars offer compact space but high agility, with electric micro cars being cheap to charge. Small cars are highly practical and retain good resale value. The compact car segment sees the fiercest competition, with brands deploying their best technologies here. Mid-size cars start emphasizing driving and riding quality, with noticeable improvements in sound insulation and chassis. Full-size cars feature luxurious materials, often with genuine leather and solid wood trims. Luxury cars operate on a completely different level - a Rolls-Royce's starlight headliner could cost half a year's salary for average earners. Recent trends show blurred classifications, as EVs leverage wheelbase for spaciousness - the Han has C-class dimensions but B-class pricing. Beginners are advised to start with compact cars before upgrading.


