Subsystems

Motor Type(s)

Rear motor: AC permanent magnet synchronous motor, liquid-cooled, with variable frequency drive.

Front motor (AWD vehicles): AC induction motor, liquid-cooled, with variable frequency drive.

Transmission

Transmission Specifications
Type Single speed fixed gear
Gearbox Ratio 9:1

Steering

Steering Specifications
Type Rack and pinion with electronic power steering, speed sensitive
Number of turns lock to lock 2.00
Turning Circle (curb to curb) 39.8 ft (12.1 m)

Brakes

Brakes Specifications
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
Rotor Diameter (ventilated)

Front (non-Performance): 14.0"/355 mm
Front (Performance): 14.0"/355 mm
Rear (non-Performance): 13.2"/335 mm
Rear (Performance): 13.2”/335 mm

Front Rotor thickness

New (non-performance): 0.98"/25 mm
New (performance): 0.98"/25 mm
Service limit (non-performance): 0.91”/23 mm
Service limit (performance): 0.91"/23 mm

Rear Rotor thickness

New (non-performance): 0.79"/20 mm
New (performance - Mando calipers): 0.79"/20 mm
New (performance - Brembo calipers): 0.87"/22 mm
Service limit (non-performance): 0.71”/18 mm
Service limit (performance - Mando calipers): 0.71"/18 mm
Service limit (performance - Brembo calipers): 0.79"/20 mm

Lateral runout

0.050 mm

Chordal runout

0.040 mm

Disk thickness variation (DTV)

0.010 mm

Front Brake Pad Thickness (excluding back plate)

New: 0.393"/10 mm
Service limit: 0.085"/2.15 mm

Rear Brake Pad Thickness (excluding back plate)

New: 0.354"/9 mm
Service limit: 0.078"/2 mm

Performance Front Brake Pad Thickness (excluding back plate) New: 0.393"/10 mm Service limit: 0.085"/2.15 mm
Performance Rear Brake Pad Thickness (excluding back plate) New: 0.354"/ 9 mm Service limit: 0.071"/1.8 mm
Parking brake Electrically actuated parking brake integrated into rear caliper

Suspension

Suspension Specifications
Front Independent, double wishbone, coil spring/telescopic damper, sway bar
Rear Independent, multi-link, coil spring/telescopic damper

Battery - Low Voltage

Lead Acid Battery - Low Voltage Specifications
Rating 45 amp hour
Voltage and Polarity 12V
Lithium Ion Battery - Low Voltage Specifications
Rating 6.9 amp hour
Voltage 15.5V

Battery - High Voltage

Battery - High Voltage Specifications
Type Liquid-cooled lithium ion (Li-ion)
Nominal Voltage 345 V DC
Temperature Range Do not expose Model Y to ambient temperatures above 140° F (60° C) or below -22° F (-30° C) for more than 24 hours at a time.