Company: XPNGF
Filing Date: 2025-09-19
Form Type: S-8
Source: 0001193125-25-208182
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Company: XPENG INC.
Filing Date: 2025-09-19
Form: S-8
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As Filed with the Securities and Exchange Commission on September 19, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 XPeng Inc. (Exact name of registrant as specified in its charter)

| Cayman Islands                  |     | Not Applicable     |
| (State or other jurisdiction of 
 Incorporation or Organization)  |     | -I.R.S. Employer   
 Identification No. |

No. 8 Songgang Road, Changxing Street Cencun, Tianhe District, Guangzhou Guangdong 510640 People’s Republic of China +86-020-6680-6680 (Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices) XPeng Inc. 2025 Share Incentive Scheme (Full title of the Plan) Cogency Global Inc. 122 East 42 ndStreet, 18 thFloor New York, N.Y. 10168 +1 (800) 221-0102 (Name, address, including zip code, and telephone number, including area code, of agent for service) Copies to:

| Yeqing Zheng                          
 Vice President and General Counsel    
 No. 8 Songgang Road, Changxing Street 
 Cencun, Tianhe District, Guangzhou    
 Guangdong 510640                      
 People’s Republic of China            
 +86-020-6680-6680                     |     | Ching-Yang Lin, Esq.                
 Sullivan & Cromwell (Hong Kong) LLP 
 20/F, Alexandra House 18            
 Chater Road, Central Hong Kong      
 +852-2826-8688                      |

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-acceleratedfiler, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2of the Exchange Act.

| Large accelerated filer |     | ☒ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☐ |     | Smaller reporting company |     | ☐ |
|                         |     |   |     | Emerging growth