Reigning Champions McLaren Admit Deficit to Works Teams Following 2026 Formula 1 Pre-Season Regulation Testing

McLaren boss Andrea Stella admits the team trails Mercedes and Ferrari for F1 2026. Discover the strategy to defend and counterattack in the new season.

By: AXL Media

Published: Feb 27, 2026, 10:03 AM EST

Source: The information in this article was sourced from Motorsport.com

Defending Champions Bracing for a Defensive Start

The transition into Formula 1’s new regulatory era has presented an immediate challenge to McLaren, the team that dominated the final two years of the previous technical cycle. Team Principal Andrea Stella indicated that the MCL40 enters the 2026 season slightly behind the pace setters, characterizing the team’s early strategy as one of defensive management. Stella used a sporting metaphor to describe the situation, noting that the team would look to exploit the counterattack as they work to bridge the gap created by a significant overhaul in car and engine specifications.

The Competitive Advantage of Integrated Works Programs

Analysis from the testing sessions in Barcelona and Bahrain suggests that Mercedes and Ferrari have navigated the transition more effectively than the customer-led outfits. Stella pointed out that it is no coincidence that the three teams currently leading the estimation game are all works operations with full control over both chassis and power unit integration. While McLaren remains a primary partner of Mercedes HPP, the inherent advantages of a factory team in the first year of radical regulations have left the reigning champions with a quantifiable performance deficit to overcome.

Productive High Mileage Program Provides Data Foundation

Despite the pace concerns, the reliability of the new MCL40 has proven to be a significant strength during the nine days of winter testing. McLaren completed more than 1,000 laps across the two testing venues, finishing with the fourth-highest mileage total behind Mercedes, Haas, and Ferrari. This extensive running allowed the engineering team at Woking to verify their entire pre-defined program, covering reliability checks and initial performance mapping for the new generation of Pirelli tires on demanding surfaces like the Sakhir circuit.