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Subsystems
Motor
TypeAC induction motor, liquid-cooled, with variable frequency driveNominal Voltage320 voltsMaximum speed of large motors (rear motor on
Performance vehicles)18300 rpmMaximum speed of small motors (front motor on all
vehicles, rear motor on non-Performance vehicles)18000 rpmMaximum net power* and motor speed of large motors375 kW @ 6,150 rpmMaximum net power* and motor speed of smallmotors193 kW @ 6,100-6,800 rpmMaximum torque of large motors660 NmMaximum torque of small motors330 Nm*Tested in accordance with ECE R85
Transmission
TypeSingle speed fixed gearOverall Final Drive RatioSmall motor: 9.325:1
Large motor: 9.734:1Reverse GearReverse direction of motor, limited to
24 km/h
Steering
TypeRack and pinion with electronic power steering, speed sensitiveNumber of turns lock to lock2.05Turning Circle (curb to curb)12.44 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 systemCalipersFour piston fixedRotor Diameters (ventilated)Front: 13.98”/355 mm
Rear: 14.37”/365 mm
Subsystems
Specifications185
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Front Rotor thicknessNew: 1.26”/32 mm
Service limit: 1.18”/30 mmRear Rotor thicknessNew: 1.10”/28 mm
Service limit: 1.02”/26 mmFront Brake Pad Thickness (excluding back plate)0.393”/10 mmRear Brake Pad Thickness (excluding back plate)Base: 0.354”/9 mmParking brakeElectrically actuated parking brake
calipers
Suspension
FrontIndependent, virtual pivot double
wishboneRearIndependent, virtual pivot double
wishbone
Battery - 12V
Rating33 amp hour or higherVoltage and Polarity12V negative (-) ground
Battery - High Voltage
TypeLiquid-cooled lithium ion (Li-ion)Rating60, 70, 75, 85, 90, or 100 kWh (at
beginning of life)Nominal Voltage - 85, 90, and 100 kWh
Nominal Voltage - 60, 70, and 75 kWh350 V DC
300 V DCTemperature RangeDo not expose Model X to ambient
temperatures above 60
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Wheels and Tires
Wheel Specifications
Wheel TypeSizeOffset20" - All Season - Front9.0J x 201.378" 35 mm20" - All Season - Rear9.5J x 201.575" 40 mm20" - Summer - Front9.0J x 201.378" 35 mm20" - Summer - Rear10.0J x 201.378" 35 mm22" - Summer - Front9.0J x 221.378" 35 mm22" - Summer - Rear10.0J x 221.378" 35 mmLug Nut Torque129 lb. ft (175 Nm)Lug Nut Socket Size21 mmNote: For instructions on how to jack/lift Model X, see Jacking and Lifting on page 176.
Tire Specifications
Tire TypeSizeLoad Index / Speed Rating20" - Continental - Front265/45R20108 / V20" - Continental - Rear275/45R20110 / V20" - Michelin - Front255/45R20105 / Y20" - Michelin - Rear275/45R20110 / Y22" - Goodyear or Pirelli - Front265/35R22102 / W22" - Goodyear or Pirelli - Rear285/35R22106 / WRefer to the tire pressures printed on the Tire and Loading Information label. This label is
located on the driver
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Understanding Tire MarkingsLaws require tire manufacturers to place standardized information on the sidewall of all tires. This
information identifies and describes the fundamental characteristics of the tire.1Tire category. P indicates that the tire is for passenger vehicles.2Tire width. This 3-digit number is the width (in millimeters) of the tire from sidewall
edge to sidewall edge.3Aspect ratio. This 2-digit number is the sidewall height as a percentage of the tread
width. So, if the tread width is 205 mm, and the aspect ratio is 50, the sidewall height is 102 mm.4Tire construction. R indicates that the tire is of Radial ply construction.5Wheel diameter. This 2-digit number is the diameter of the wheel rim in inches.6Load index. This 2 or 3-digit number is the weight each tire can support. This number is
not always shown.7Speed rating. When stated, indicates the maximum speed (in mph) at which the tire can be used for extended periods. Q=99 mph (160 km/h), R=106 mph (170 km/h), S=112 mph (180 km/h), T=118 mph (190 km/h), U=124 mph (200 km/h), H=130 mph(210 km/h), V=149 mph (240 km/h), W=168 mph (270 km/h), Y=186 mph (300 km/h).8Tire composition and materials. The number of plies in both the tread area and thesidewall area indicates how many layers of rubber coated material make up the structure of the tire. Information is also provided on the type of materials used.9Maximum tire load. The maximum load which can be carried by the tire.
Wheels and Tires
188Model X Owner
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Tire and Loading Glossaries
General Wheel and Tire TermsAccessory WeightThe combined weight (in excess of those items replaced) of
items available as factory installed equipment.BeadThe inner edge of a tire that is shaped to fit to the rim and form
an air tight seal. The bead is constructed of steel wires which
are wrapped, or reinforced, by the ply cords.Cold Tire PressureThe air pressure in a tire that has been standing in excess of
three hours, or driven for less than one mile.Curb WeightThe weight of a standard vehicle, including any optional
equipment fitted, and with the correct
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Rim diameterNominal diameter of the bead seat.Rim size designationRim diameter and width.Rim type designationThe manufacturing industry
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Overall widthThe linear distance between the exteriors of the sidewalls of anin