Introduction
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Permanently excited synchronous motors are fitted on front and rear axles of the e-tron GT and RS e-tron GT (type F8). The high
power density of the motors allows for a very dynamic motor response. The construction of the electric drive motors differs in the
active length of the rotor/stator core. The design of the power electronics is also different on the front and rear axles. The power
electronics on the front axle can process a maximum current of 300 amperes. The power electronics on the rear axle can manage
600 amperes.
Construction of electric drive motors
General information
The electric drive motors on the Audi e-tron GT (type F8) are permanently excited synchronous motors. On the rear axle, this is a
construction parallel to the axle, and on the front axle it is coaxial. Different power outputs from the electric drive motors are ach-
ieved by different rotor/stator core lengths. The larger the rotor/stator core is, the larger the magnetic field will be. This is referred
to as the length of the active components.
Active length of front axle
160 mm
190 mm
130 mm
245 mm
210 mm
245 mm
Diameter of axle
Active length of rear axle (e-tron GT)
Diameter of rear axle (e-tron GT)
Active length of rear axle (RS e-tron GT)
Diameter of rear axle (RS e-tron GT)
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