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Gordon Murray Automotive Reveals S1 LM, a One-Off McLaren F1 GTR Reimagining

Built on the T.50 platform with a Cosworth-tuned 4.3-liter V12, the S1 LM inaugurates GMSV’s ultra-low-volume bespoke series of five road-legal F1 GTR reimaginations.

Gordon Murray Special Vehicles Unveils S1 LM at Monterey Car Week

Overview

  • Gordon Murray Special Vehicles launched alongside the S1 LM to deliver ultra-low-volume supercars through Heritage, Bespoke and SV design pillars.
  • The exterior styling revives F1 GTR longtail cues with a multipiece rear wing, front splitter, diffuser, five-spoke wheels and a lower roofline.
  • The bespoke 4.3-liter naturally aspirated V12 engineered by Cosworth delivers roughly 690–700 hp and revs past 12,000 rpm in a road-legal setup.
  • The S1 LM retains a central driving position with three-across seating and a six-speed manual gearbox shared with the T.50 for a driver-centric experience.
  • All five cars are allocated to a single collector, pricing has not been disclosed, and deliveries are scheduled to begin in 2026 while GMSV readies a Le Mans GTR project.