Company: CAAS
Filing Date: 2025-11-12
Form Type: 6-K
Source: 0001104659-25-109558
Chunk: 0

Company: China Automotive Systems, Inc.
Filing Date: 2025-11-12
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November, 2025

Commission File Number: 001-42851

China Automotive Systems, Inc.

(Exact Name of Registrant as
Specified in its Charter)</div>

| No. 1 Henglong Road, Yu Qiao Development Zone   |
| Shashi District, Jing Zhou City, Hubei Province |
| The People’s Republic of China                  |

<div align='center'>(Address of principal executive offices)</div>

Indicate by check mark whether the registrant files or will file annual
reports under cover of Form 20-F or Form 40-F:

<div align='center'>Form 20-F x Form 40-F ¨

INFORMATION CONTAINED IN THIS REPORT ON FORM 6-K</div>

On November 12, 2025, China Automotive Systems, Inc.
(the “Company”) issued a press release titled “China Automotive Systems Reports 77.8% EPS Growth in the Third Quarter
of 2025 and Raises Full Year Guidance“. A copy of the press release, and the unaudited third quarter 2025 results, are furnished
as Exhibits 99.1 to this report on Form 6-K.

<div align='center'>INDEX TO EXHIBITS</div>

<div align='center'>SIGNATURES</div>

Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: November 12, 2025 | China Automotive Systems, Inc. 
 By:                            | /s/ Hanlin Chen |
|:------------------------|:-------------------------------|:----------------|
|                         | Name:                          | Hanlin Chen     |
|                         | Title:                         | Chairman        |