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What does the engine model represent?

2025-10-12 09:11:33 mechanical

What does the engine model represent? Uncovering the coding secrets of the car's "heart"

In the automotive field, the engine model is like the vehicle's "ID number", carrying key information about power performance, technical parameters and manufacturing background. Recently, the discussion on automobile engine technology has been very popular across the Internet. Especially in the context of new energy transformation, the naming logic of traditional internal combustion engine models has aroused widespread curiosity. This article will combine the hot topics of the past 10 days to systematically interpret the mysteries of engine models and attach structured data comparisons.

1. Composition logic of engine models

What does the engine model represent?

Engine models are usually composed of letters and numbers. Different manufacturers have different naming systems, but the core includes the following elements:

code snippetmeaningExample (Volkswagen EA888)
prefix letterManufacturer/Technology PlatformEA stands for Volkswagen Transverse Engine Modular Platform
middle numberDisplacement or performance level888 means 1.8T/2.0T turbocharging sequence
suffix lettersSpecial technical versionDKX stands for high-power version, DTK stands for hybrid version

2. Analysis of recent popular engine models

According to Internet search data, the following three engines have become the focus of recent technical discussions:

Engine modelBrandTechnical HighlightsHot discussion index (10 days)
Toyota A25A-FKSCamry/RAV441% thermal efficiency + dual injection system85,000+
BMW B48B203 Series/X3Modular design + integrated exhaust manifold62,300+
BYD 476ZQDSong PLUS DM-i1.5L high-efficiency engine dedicated to plug-in hybrids93,500+

3. Five key information hidden in the engine model

1.Power performance level: The numerical part is often positively related to displacement or power. For example, the "2" in Mercedes-Benz M274 represents the 2.0T base number.

2.Generational differences in technology: Letter suffixes such as Volkswagen's "EVO" represent the latest evolutionary version, and the "C" in Honda's "K20C" refers to the Type-R high-performance version.

3.Environmental protection standard adaptation: After the implementation of National VI, the "Y" suffix of GM's LSY engine specifically refers to meeting National VI b emissions.

4.Fuel type identification: The "N" of Hyundai G4NN represents the natural gas version, and the Tesla motor model "3D1" reflects the electric characteristics.

5.Regional characteristics of production: The "H" at the end of the BMW B series engine represents production in the Shenyang factory, and the "M" at the beginning of the Mercedes-Benz engine means the original German engine.

4. Model evolution in the new energy era

Data from recent industry summits show that electrification is changing the traditional naming system:

New model featuresRepresentative manufacturerTypical cases
Motor power codingTesla3D6 front-wheel drive motor (192kW)
Battery integrated logoNIOEDS2.0 electric drive system
Hybrid exclusive labelBYDBYD472QA (Snap Cloud 1.5L)

5. Consumer Inquiry Guide

1.Vehicle nameplate positioning: Usually in the engine compartment or under the B-pillar, contains complete model information.

2.Environmental protection list query: The Motor Vehicle Environmental Protection Network can verify the correspondence between engine emission standards and models.

3.Manufacturer's technical documentation: The latest release of the 2023 maintenance manual shows that 90% of 4S stores have opened model analysis services.

The automotive industry is currently in a period of technological change, and the engine model system is also continuing to evolve. Understanding these coding rules not only helps car owners accurately choose accessories, but is also an important key to understanding the language of the automotive industry.

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