Overall Final Drive Ratio
Small motor: 9.325:1
Large motor: 9.734:1
Reverse Gear
Reverse direction of motor, limited to 24 km/h
Steering
Type
Rack and pinion with electronic power steering, speed sensitive
Number of turns lock to lock 2.05
Turning Circle (curb to curb) 11.8 meters
Brakes
Type
4-wheel anti-lock braking system (ABS) with Electronic
Brake Force Distribution, Integrated Advanced Stability
Control and Electronic Accelerator pedal actuated
regenerative braking system
Calipers
Front: Four piston, fixed
Rear: Single piston, floating
Rotor Diameters (ventilated)
Front: 13.98”/355 mm
Rear: 14.37”/365 mm
Front Rotor thickness
New: 1.26”/32 mm
Service limit: 1.18”/30 mm
Rear Rotor thickness
New: 1.10”/28 mm
Service limit: 1.02”/26 mm
Front Brake Pad Thickness
(excluding back plate)
0.346”/8.8 mm
Rear Brake Pad Thickness
(excluding back plate)
0.354”/9 mm
Parking brake
Electrically actuated parking brake calipers
Subsystems
204
MODEL S OWNER'S MANUAL