2026 S1 LM Specs2026 (T.55) GMSV S1 LM Specs & Performance
2026 (T.55)
Tech Specs Summary
- 
- 4.2 L V12
- 
unavailable- 
unavailable- 
- 720 hp
- 
unavailable- 
- 2 Doors
- 
- 3 Seats
- 
unavailable- 
- 2,174 lbs
- Rear Mid - RWD
Performance
- Power-to-Weight
- 3.02 lb/hp
- Power
- 720 hp
- Torque
- 347 lb·ft
Gasoline Engine
- Capacity
- 4.2 Liter
- 258.9 in3
- Layout
- V12
- Aspiration
- Natural
- Peak Power
- 720 hp @ 11,500 RPM
- 730 ps @ 11,500 RPM
- Peak Torque
- 347 lb·ft @ 9,000 RPM
- 470 N·m @ 9,000 RPM
- Valvetrain
- DOHC
- Valves/Cylinder
- 4 (48v Total)
- Fuel Delivery
- Direct + Port
- Position
- Rear Mid Engine
- Orientation
- Longitudinal
- Fuel
- Gasoline
- Fuel Tank Capacity
- 21.1 Gallons
More Engine Specs
- Engine Name
- Cosworth GMA
- Compression Ratio
- 14:1
- Bore x Stroke
- 3.307 x 2.512 in
- Bore-Stroke Ratio
- 1.32:1
- Over-Square
- Specific Output
- 2.79 hp/in3
- Power/Cylinder
- 60 hp
- Cylinder Volume
- 21.6 in3
- BMEP
- 201.9 PSI
- 13.9 Bar
Drivetrain & Chassis
- Driven Wheels
- RWD
- Rear-wheel Drive
- Transmission (MT)
- 6 Speeds
- Front Tyre Size
- 265/35 ZR19
- Rear Tyre Size
- 335/30 ZR20
- Front Suspension
- Double Wishbone
- Rear Suspension
- Double Wishbone
- Front Brakes
- Vented Disc
- Rear Brakes
- Vented Disc
Dimensions & Practicality
- Body
- Supercar Coupé
- Door Count
- 2
- Seat Count
- 3
- Turning Radius
- 35.8 ft
- Curb Weight
- 2,174 lbs
- Length
- 174.9 in
- Width
- 74.4 in
- Height
- 45.2 in
- Wheelbase
- 106.3 in
- Front Track
- 64.4 in
- Rear Track
- 61.9 in
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