6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OFFOREIGN PRIVATE ISSUER

PURSUANT TORULE 13a-16 OR 15d-16

UNDER THESECURITIES EXCHANGE ACT OF 1934

For the month of January 2025

Commission File Number: 001-41431

Polestar Automotive Holding UK PLC

AssarGabrielssons Väg 9

405 31 Göteborg, Sweden

(Address of principal executive office)

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

Form 20-F ☒    Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

INFORMATION CONTAINED IN THIS REPORT ONFORM 6-K

On January 9, 2025, Polestar Automotive Holding UK PLC (“Polestar”) issued a press release announcing its preliminary estimates for global volumes for the fourth quarter of 2024. A copy of the press release is attached hereto as Exhibit 99.1.

The Company expects to publish key financial KPIs for the third quarter of 2024 and to make other business and operational announcements on 16 January 2025. Management will host a live webcast on the same date, to provide a business and strategy update. Further details, including a link to the webcast, are available on the Polestar Investor Relations website: www.investors.polestar.com.

Exhibit 99.1 to this Report on Form 6-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act.

EXHIBIT INDEX

SIGNATURES

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.

EX-99.1

Exhibit 99.1

Polestar announces global volumes for the fourth quarter

GOTHENBURG, SWEDEN – 9 January 2025. Polestar (Nasdaq: PSNY) retail sales totalled 12,256 cars in Q4 2024, up 5.3% versus Q4 2023, taking total retail sales for the full year to 44,851 in 2024, down 15% versus 2023. Total order intake in Q4 2024 increased by 37.2% versus Q4 2023 and by 37.9% for the full year 2024 versus 2023.

Michael Lohscheller, Polestar CEO, says: “The changes being made to our commercial operations are clearly having a positive impact, as we saw a 5.3% increase in retail sales and a 37.2% increase in order intake compared to the same quarter last year, creating a strong momentum as we enter 2025.”

Breakdown of retail sales compared to previous period:

To align more closely with sector convention, Polestar has amended its definition of global volumes, with the new definition being retail sales representing sales to end customers. See appendix for adjusted historical figures.

As previously announced, the Company will publish Q3 key financial KPIs, business and operational highlights on 16 January 2025. Management will host a live webcast on the same date, to provide a business and strategy update. Further details, including a link to the webcast, are available on the Polestar Investor Relations website. Verified shareholders are able to ask questions through the Say Technologies platform, accessible via: https://app.saytechnologies.com/polestar-strategy-business-update

APPENDIX

The following table illustrates historical differences versus the prior definition:

Ends.

Contacts

Investor Relations

IR@polestar.com

Theo Kjellberg

Head of Corporate Communication

Theo.kjellberg@polestar.com

AboutPolestar

Polestar (Nasdaq: PSNY) is the Swedish electric performance car brand determined to improve society by using design andtechnology to accelerate the shift to sustainable mobility. Headquartered in Gothenburg, Sweden, its cars are available in 27 markets globally across North America, Europe and Asia Pacific. Polestar is scheduled to expand into additional markets in2025.

Polestar has three models in its line-up: Polestar 2, an electric performance fastback; Polestar 3,the SUV for the electric age; and Polestar 4, the SUV coupé transformed. With plans to have a line-up of five performance EVs by 2026, Polestar 5, an electric four-door GT and Polestar 6, an electricroadster, are coming soon.

The Polestar 0 project supports the company’s ambitious goal of creating a truly climate-neutral production car by2030. The research initiative also aims to create a sense of urgency to act on the climate crisis, by challenging employees, suppliers and the wider automotive industry, to drive towards zero.

Forward-Looking Statements

Certain statementsin this press release (“Press Release”) may be considered “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995. Forward-looking statements generally relate to future events or the futurefinancial or operating performance of Polestar including the number of vehicle deliveries and gross margin. For example, projections of revenue, volumes, margins, cash flow break-even and other financial or operating metrics and statements regardingexpectations of future needs for funding and plans related thereto are forward-looking statements. In some cases, you can identify forward-looking statements by terminology such as “may”, “should”, “expect”,“intend”, “will”, “estimate”, “anticipate”, “believe”, “predict”, “potential”, “forecast”, “plan”, “seek”, “future”, “propose” or“continue”, or the negatives of these terms or variations of them or similar terminology. Such forward-looking statements are subject to risks, uncertainties, and other factors which could cause actual results to differ materially fromthose expressed or implied by such forward looking statements.

These forward-looking statements are based upon estimates and assumptions that,while considered reasonable by Polestar and its management, as the case may be, are inherently uncertain. Factors that may cause actual results to differ materially from current expectations include, but are not limited to: ( (1) Polestar’sability to enter into or maintain agreements or partnerships with its strategic partners, including Volvo Cars, Geely and Xingji Mezu Group, original equipment manufacturers, vendors and technology

providers; (2) Polestar’s ability to maintain relationships with its existing suppliers, source new suppliers for its critical components and enter into longer term supply contracts andcomplete building out its supply chain; (3) Polestar’s ability to raise additional funding; (4) Polestar’s ability to successfully execute cost-cutting activities and strategic efficiency initiatives; (5) Polestar’sestimates of expenses, profitability, gross margin, cash flow, and cash reserves; (6) the identification and remediation of accounting errors and/or a final assessment of errors already identified that differs significantly from Polestar’spreliminary view of such errors and the successful filing of restatements of any SEC reports; (7) Polestar’s ability to continue to meet stock exchange listing standards; (8) changes in domestic and foreign business, market,financial, political and legal conditions; (9) demand for Polestar’s vehicles or car sale volumes, revenue and margin development based on pricing, variant and market mix, cost reduction efficiencies, logistics and growing aftersales;(10) delays in the expected timelines for the development, design, manufacture, launch and financing of Polestar’s vehicles and Polestar’s reliance on a limited number of vehicle models to generate revenues; (11) increases incosts, disruption of supply or shortage of materials, in particular for lithium-ion cells or semiconductors; (12) risks related to product recalls, regulatory fines and/or an unexpectedly high volume ofwarranty claims; (13) Polestar’s reliance on its partners to manufacture vehicles at a high volume, some of which have limited experience in producing electric vehicles, and on the allocation of sufficient production capacity to Polestarby its partners in order for Polestar to be able to increase its vehicle production volumes; (14) the ability of Polestar to grow and manage growth profitably, maintain relationships with customers and suppliers and retain its management andkey employes; (15) risks related to future market adoption of Polestar’s offerings; (16) risks related to Polestar’s current distribution model and the evolution of its distribution model in the future; (17) the effects ofcompetition and the high barriers to entry in the automotive industry and the pace and depth of electric vehicle adoption generally on Polestar’s future business; (18) changes in regulatory requirements (including environmental laws andregulations and regulations related to connected vehicles), governmental incentives, tariffs and fuel and energy prices; (19) Polestar’s reliance on the development of vehicle charging networks to provide charging solutions for itsvehicles and its strategic partners for servicing its vehicles and their integrated software; (20) Polestar’s ability to establish its brand and capture additional market share, and the risks associated with negative press or reputationalharm, including from electric vehicle fires; (21) the outcome of any potential litigation, including litigation involving Polestar and Gores Guggenheim, Inc., government and regulatory proceedings, tax audits, investigations and inquiries;(22) Polestar’s ability to continuously and rapidly innovate, develop and market new products; (23) the impact of the ongoing conflict between Ukraine and Russia and in Israel, the Gaza Strip and the Red Sea; and (24) other risksand uncertainties set forth in the sections entitled “Risk Factors” and “Cautionary Note Regarding Forward-Looking Statements” in Polestar’s Form 20-F, and other documents filed, or tobe filed, with the SEC by Polestar. There may be additional risks that Polestar presently does not know or that Polestar currently believes are immaterial that could also cause actual results to differ from those contained in the forward-lookingstatements.

Nothing in this Press Release should be regarded as a representation by any person that the forward-looking statements set forthherein will be achieved or that any of the contemplated results of such forward-looking statements will be achieved. You should not place undue reliance on forward-looking statements, which speak only as of the date they are made. Polestar assumesno obligation to update these forward-looking statements, even if new information becomes available in the future, except as may be required by law.