In July 2025, the overall sales volume of the internal combustion engine industry increased month on month and year-on-year; The cumulative sales volume in the first 7 months increased by over 12% compared to the same period last year.

Since the beginning of this year, the positive macro policies implemented in China have continued to show their effects, promoting stable and high-quality economic development, optimizing market competition order, accelerating the release of domestic demand potential, diversifying the external demand market, continuously boosting social consumer confidence, and showing a year-on-year growth trend in terminal market sales. Specifically, the sales volume of internal combustion engines in July was 4.3539 million units, an increase of 4.14% month on month and 14.28% year-on-year; The cumulative sales volume from January to July was 29.6417 million units, a year-on-year increase of 12.50%.

In terms of terminals, the passenger car market continues to have a good trend, while the motorcycle market shows significant growth momentum; The sales of commercial vehicles, agricultural machinery, engineering and other markets have recovered slowly.

In July, sales of internal combustion engines reached 4.3539 million units, a month on month increase of 4.14% and a year-on-year increase of 14.28%; The power output reached 242.4589 million kilowatts, a month on month increase of -1.22% and a year-on-year increase of 11.39%.

The cumulative sales volume from January to July was 29.6417 million units, a year-on-year increase of 12.50%; The cumulative power has reached 1677.9086 million kilowatts, a year-on-year increase of 5.92%.

In July, within the fuel category, diesel engine sales decreased month on month, but both year-on-year and cumulative year-on-year growth were observed; The sales of gasoline engines have increased month on month, year-on-year, and cumulative year-on-year. Specifically, compared to the previous month, diesel engines increased by -11.39% and gasoline engines increased by 5.85%; Compared with the same period last year, diesel engines increased by 6.68% year-on-year, and gasoline engines increased by 14.96% year-on-year; Compared with the same period last year, diesel engines increased by 4.45% year-on-year, and gasoline engines increased by 13.45% year-on-year.

In July, 367200 diesel internal combustion engines were sold (including 11100 for passenger cars, 139400 for commercial vehicles, 58200 for construction machinery, 106500 for agricultural machinery, 5800 for ships, 45200 for power generation, 400 for landscaping, and 700 for general use), and 3.9816 million gasoline engines were sold. From January to July, the sales volume of diesel engines was 3.0322 million units (including 98800 units for passenger cars, 1.1621 million units for commercial vehicles, 512900 units for construction machinery, 925700 units for agricultural machinery, 38200 units for ships, 283000 units for power generation, 4500 units for landscaping, and 7000 units for general use), and the sales volume of gasoline internal combustion engines was 26.569 million units.

In July, in the comparable segment of the segmented market, passenger car use, generator set use, motorcycle use, and engine use increased month on month, while other uses decreased month on month. Specifically, passenger car usage increased by 2.00%, commercial vehicle usage increased by -14.91%, construction machinery usage increased by -14.51%, agricultural machinery usage increased by -2.60%, marine usage increased by -16.28%, generator set usage increased by 4.40%, garden machinery usage increased by -12.94%, motorcycle usage increased by 13.05%, and general machinery usage increased by 44.54%.

Compared with the same period last year, all other classified uses except for construction machinery and agricultural machinery increased year-on-year. Specifically, passenger car usage increased by 8.12%, commercial vehicle usage increased by 22.85%, construction machinery usage increased by -10.75%, agricultural machinery usage increased by -2.31%, marine usage increased by 37.75%, generator set usage increased by 23.80%, garden machinery usage increased by 26.45%, motorcycle usage increased by 23.96%, and general machinery usage increased by 23.82%.

Compared with the previous year, all other classified uses except for construction machinery and general machinery have shown positive growth. Specifically, passenger car usage increased by 5.19%, commercial vehicle usage increased by 6.05%, construction machinery usage increased by -0.30%, agricultural machinery usage increased by 8.01%, marine usage increased by 14.66%, generator usage increased by 21.29%, garden machinery usage increased by 14.38%, motorcycle usage increased by 22.90%, and general machinery usage increased by -1.34%.

In July, sales of passenger cars reached 1.6111 million units, commercial vehicles reached 196400 units, construction machinery reached 61600 units, agricultural machinery reached 408900 units, ships reached 5800 units, generator sets reached 158700 units, garden machinery reached 125700 units, motorcycles reached 1.7648 million units, and general machinery reached 20800 units.

From January to July, a total of 10.8558 million units were sold for passenger cars, 1.5406 million units for commercial vehicles, 542200 units for construction machinery, 3.0719 million units for agricultural machinery, 38200 units for ships, 1.0716 million units for generator sets, 990000 units for landscaping machinery, 11.4233 million units for motorcycles, and 108100 units for general use.

The sales volume of single cylinder diesel engines in July decreased month on month, increased year-on-year, and accumulated year-on-year growth. In July, sales of single cylinder diesel engines reached 78100 units, a month on month increase of -7.84% and a year-on-year increase of 8.74%; The cumulative sales volume from January to July was 588100 units, a year-on-year increase of 5.78%. The top five companies in the ranking are: Changchai, Changfa, Sifang, Sanhuan, and Jinfei Fish.

Among them, the sales volume of single cylinder diesel engines mainly used in the field of agricultural machinery in July was 69600 units, an increase of -8.89% month on month and 9.74% year-on-year; The cumulative sales volume from January to July was 524600 units, a year-on-year increase of 4.82%.

The slow recovery trend of the commercial vehicle market has led to a month on month decline in production and sales in July, while both year-on-year and cumulative sales have increased, resulting in similar fluctuations in sales in the multi cylinder diesel engine market where commercial vehicles account for a large proportion.

In July, multi cylinder diesel engine companies sold a total of 28920 units, a month on month increase of 12.30% and a year-on-year increase of 6.14%; The cumulative sales volume from January to July was 2.4441 million units, a year-on-year increase of 4.14%. Weichai, Yuchai, Yunnei, Quanchai, Xinchai, Dongkang, Jiangling, Jiefang Power, Honeycomb Power, and New Power Technology ranked among the top ten in sales, accounting for 77.85% of the total sales of multi cylinder diesel engines; Market share proportions: Weichai 17.61%, Yuchai 14.43%, Yunnei 8.72%, Quanchai 8.57%, Xinchai 6.43%, Dongkang 5.32%, Jiangling 4.63%, Jiefang Power 4.10%, Honeycomb Power 4.03%, New Power Technology 4.01%.

In July, sales of multi cylinder diesel engines for commercial vehicles reached 139400 units, a month on month increase of -16.71% and a year-on-year increase of 12.84%; The cumulative sales volume from January to July was 1.1621 million units, a year-on-year increase of 3.55%. The top ten sellers are Weichai, Yuchai, Yunnei, Jiangling, Fukang, Quanchai, Jiefang Power, Jianghuai, Dongkang, and New Power Technology, accounting for 88.26% of the total sales; Weichai holds a leading market share of 20.37% in the multi cylinder diesel engine market for commercial vehicles, followed by Yuchai at 13.29%, Yunnei at 10.67%, Jiangling at 9.75%, Fukang at 8.11%, Quanchai at 5.89%, Jiefang Power at 5.84%, Jianghuai at 4.95%, Dongkang at 4.94%, and Shanghai Mobile at 4.47%.

In July, the sales volume of multi cylinder diesel engines for construction machinery was 56800 units, a month on month increase of -14.18% and a year-on-year increase of -8.91%; The cumulative sales volume from January to July was 503700 units, a year-on-year increase of 0.91%. The top ten sellers are Xinchai, Quanchai, Yunnei, Yuchai, Weichai, Dongkang, Carter, Guangkang, New Power Technology, and Jiefang Power, accounting for 95.96% of their total sales.

The passenger car market experienced a month on month decline in production and sales, a year-on-year increase, and a cumulative year-on-year increase in July. As a result, the sales of multi cylinder gasoline engines in the main supporting passenger car market also showed a similar trend.

In July, the sales of multi cylinder gasoline engines reached 1.6536 million units, a month on month increase of 1.57% and a year-on-year increase of 9.12%; The cumulative sales volume from January to July was 11.1162 million units, a year-on-year increase of 5.26%. Among 45 multi cylinder gasoline engine companies, BYD, Geely, Chery, FAW Volkswagen, Changan Automobile, Honeycomb Power, Xiaokang Power, Shangtong Wuling, Guangfeng Engine, and Shanghai Volkswagen Powertrain rank among the top in terms of sales, accounting for 61.51% of the total sales. Among the companies with high sales volume, BYD, Geely, Xiaokang Power, Shanghai Volkswagen Powertrain, and FAW Toyota Tianjin have shown outstanding sales growth.

The proportion of passenger cars used in multi cylinder gasoline engines was 96.77%, with sales of 1.6 million units in July, a month on month increase of 2.13% and a year-on-year increase of 8.14%; The cumulative sales volume from January to July was 10.7569 million units, a year-on-year increase of 5.04%. BYD, Geely, Chery, FAW Volkswagen, Changan Automobile, Honeycomb Power, Xiaokang Power, Shangtong Wuling, Guangfeng Engine, and Shanghai Volkswagen's powertrain sales rank among the top.

The industry mainly engages in import and export trade, which is significantly affected by internal and external environmental factors. In comparable caliber, the sales of small gasoline engines in July decreased month on month, but increased year-on-year and cumulative year-on-year. In July, the sales volume of small gasoline engines was 768200 units, a month on month increase of -0.98% and a year-on-year increase of 5.90%; The cumulative sales volume from January to July was 5.5285 million units, a year-on-year increase of 14.61%. The top five companies in terms of sales are Runtong, Longxin, Huasheng, Lifan Internal Combustion Engine, and United Power.

In terms of supporting agricultural machinery, the sales volume in July was 302400 units, with a month on month increase of -0.16% and a year-on-year increase of -3.94%; The cumulative sales volume from January to July was 2.1462 million units, a year-on-year increase of 12.11%.

In the field of supporting garden machinery, sales in July were 125400 units, a month on month increase of -12.97% and a year-on-year increase of 26.61%; The cumulative sales volume from January to July was 985500 units, a year-on-year increase of 14.44%.

Source: Data from the China Association of Trade Unions

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