McLaren has unveiled the MCL40, the car designed to defend its Formula 1 titles in 2026. The Woking-based team released renders in a testing livery, previewing the challenger ahead of a private test in Barcelona. This follows a dominant 2025 season where they secured both championships.

The MCL40 represents the next step for a team that clinched the constructors' crown early in Singapore before Lando Norris sealed the drivers' title. Its development is critical as F1 enters a new technical era with updated regulations, where maintaining a performance advantage is paramount.

All eyes will now turn to the car's on-track performance during the upcoming Barcelona test. How the MCL40 handles the new rules will be the first major indicator of whether McLaren can repeat its historic championship success in the season ahead.