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Formula 1 Enters Uncharted Territory: A Complete Breakdown of the Sweeping 2026 Overhaul

The 2026 season marks a transformative moment for Formula 1, introducing a comprehensive rulebook overhaul alongside fresh machinery, revolutionary powerplants, and the grid's expansion to eleven competitors. BBC Sport examines the multifaceted changes reshaping motorsport's premier championship.

Formula 1 Enters Uncharted Territory: A Complete Breakdown of the Sweeping 2026 Overhaul

The motorsport world is bracing for one of the most significant transformations in recent Formula 1 history as the sport prepares to welcome the 2026 season. This landmark campaign will usher in sweeping modifications across virtually every aspect of the championship, from technical regulations to competitive structure.

The overhaul encompasses four major pillars of change. A fresh regulatory framework will govern how cars are designed and operated, while entirely new power units will replace the current generation of engines. The physical machines themselves are being reimagined under these updated specifications, and perhaps most notably, the grid itself is expanding beyond its traditional ten-team format.

The addition of an 11th team to the championship represents a historic moment, signaling Formula 1's continued growth and appeal on the global stage. This expansion, combined with the technical revolution in engine technology and car design, creates an unprecedented reset for the sport.

BBC Sport has analyzed these sweeping changes to provide clarity on what fans, teams, and drivers can expect when the curtain rises on this transformative new chapter in Formula 1 history.

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Technical Regulations

Article 2.2

FIA Source

2026 Power Unit Regulations

Chapter: Chapter II - Power Unit Changes

In Simple Terms

2026 brings major engine rule changes. The complex MGU-H is removed to cut costs and attract new manufacturers. To compensate, the MGU-K becomes much more powerful and the battery is bigger. The goal is simpler, more sustainable power units that are still cutting-edge.

  • MGU-H removed from power units
  • MGU-K power increased significantly
  • Larger energy store capacity
  • Aims to attract new manufacturers
Official FIA Text

For 2026, the power unit will comprise a 1.6 litre V6 turbocharged internal combustion engine with a significantly enhanced electrical component. The MGU-H will be removed. The electrical power output will increase substantially with a more powerful MGU-K and larger energy store.

power unit componentsnew manufacturerssustainability2026 regulationsMGU-HMGU-Kpower unitnew regulations
2026 Season Regulations
Technical Regulations

Article 5.1

FIA Source

Definition of a New PU Manufacturer

Chapter: SECTION C: TECHNICAL REGULATIONS

In Simple Terms

A 'New PU Manufacturer' is a company entering F1 for the first time that hasn't built power units before (2014-2021) and hasn't inherited significant technology from existing manufacturers. If approved by the FIA, they receive special benefits and exemptions for 5 years (from 3 years before entry through 1 year after). The FIA evaluates applicants based on their facilities, engine experience, and ERS system knowledge.

  • New PU Manufacturers must meet two conditions: no prior homologation since 2014 AND no significant inherited IP from established manufacturers
  • Approved new manufacturers receive a 5-year window of special rights/exemptions (N-3 to N+1 calendar years)
  • The FIA has absolute discretion in granting status and evaluates applicants on infrastructure investment, ICE experience, and ERS system expertise
Official FIA Text

A PU Manufacturer intending to supply PUs for the first time in year N, will be considered to be a "New PU Manufacturer" if it (or any related party): a. has not homologated a PU at least once in the period 2014-2021; and b. has not received any significant recent Intellectual Property from a PU Manufacturer who is not a New PU Manufacturer, subject to the conditions outlined in Article 5.2 of this Appendix. (together, for this Article 5 only, the "Necessary Conditions") The "New PU Manufacturer" status will be granted by the FIA, at its absolute discretion, for the complete calendar years from N-3 to N+1. In order to be granted the "New PU Manufacturer" status, the PU Manufacturer in question must, upon the request of the FIA, provide the FIA with all of the detailed information or documents requested by the FIA describing the commercial background and details of the PU Manufacturer's business, the Intellectual Property owned by the PU Manufacturer and the technical relationship between the PU Manufacturer and any other related entity or persons (the "Requested Documentation"). PU Manufacturers granted a "New PU Manufacturer" status are given additional rights or exemptions in certain provisions of the Technical, Sporting and Financial Regulations. In order to assess whether the Necessary Conditions have been satisfied by a PU Manufacturer, the FIA will assess the Requested Documentation provided by the PU Manufacturer with regard to three factors: a. Infrastructure: the necessity for the PU Manufacturer to build facilities, invest significantly in assets, and hire personnel with prior Formula 1 experience; b. ICE status: the prior experience of the PU Manufacturer in Formula 1 Internal Combustion Engines, and potential possession of significant recent Intellectual Property; and c. ERS status: the prior experience of the PU Manufacturer in Formula 1 ERS systems, and potential possession of significant recent Intellectual Property.

new pu manufacturerpower unitf1 regulationshomologationintellectual property
2026 Season Regulations
Technical Regulations

Article C1.2

FIA Source

Regulatory Framework

Chapter: ARTICLE C1: GENERAL PRINCIPLES

In Simple Terms

F1 is governed by four main rulebooks: the International Sporting Code (general racing rules), plus three F1-specific regulations covering technical specifications, sporting conduct, and financial matters. These documents are regularly updated and work together to ensure fair competition.

  • Four core regulatory documents govern F1: ISC, Technical Regulations, Sporting Regulations, and Financial Regulations
  • These regulations are amended periodically to adapt to changing circumstances in the sport
  • All four document sets must be followed equally by teams, drivers, and officials
  • The regulations cover every aspect of F1 from car design to driver conduct to team finances
Official FIA Text

The regulations applicable to the Championship are the International Sporting Code (the ISC), the Formula One Technical Regulations, the Formula One Sporting Regulations, and the Formula One Financial Regulations, as amended from time to time, together referred to as the Regulations.

regulationsinternational sporting codetechnical regulationssporting regulationsfinancial regulations
2026 Season Regulations