2021 Tesla Model S Subsystems
Motor Type
| Motor Type |
Model S |
Model S Plaid |
|---|---|---|
| Front and rear motor | AC permanent magnet synchronous motor, liquid-cooled, with variable frequency drive | AC permanent magnet synchronous motor, carbon-fiber-wrapped rotor, liquid-cooled, with variable frequency drive (2x motors in the rear) |
Transmission
| Type | Model S | Model S Plaid |
|---|---|---|
| Front transmission | Single speed fixed gear, 7.5:1 | Single speed fixed gear, 7.5:1. Enhanced lubrication |
| Rear transmission | Single speed fixed gear, 9.0:1 | Independent single speed fixed gear, 7.5:1. Dry sump lubrication |
Steering
| Steering | Specifications |
|---|---|
| Type | Variable ratio rack and pinion with electronic power steering, speed sensitive |
| Number of turns lock to lock | 2.33 |
| Turning Circle (curb to curb) | 40.3 ft/12.3 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 |
| Calipers | Front: Four piston, fixed |
| Rear: Single piston, floating | |
| Rotor Diameters (ventilated) | Front: 14.96”/380 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) | New: 0.41”/10.5 mm (MIN) |
| Service limit: 0.09”/ 2.3 mm | |
| Rear Brake Pad Thickness (excluding back plate) | New: 0.33”/8.5 mm (MIN) |
| Service limit: 0.11”/ 2.7 mm | |
| Parking brake | Electrically actuated parking brake calipers |
Suspension
| Suspension | Specifications |
|---|---|
| Front | Independent, double wishbone, air spring with adaptive damper, stabilizer bar |
| Rear | Independent, multi-link, air spring with adaptive damper, stabilizer bar |
Battery – Low Voltage
| 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 | 407 V DC |
| Temperature Range | Do not expose Model S to ambient temperatures above 149° F (65° C) or below -22° F (-30° C) for more than 24 hours at a time. |