Why does the Rav “shudder” or “cog” at low speeds?
All permanent magnet motors want to naturally cog at low rpm. Vehicles like the EV1 used electronics to eliminate the cogging for near-perfect smoothness plus the EV1 does not use a PM motor. Toyota did not bother to attenuate the cogging on the Rav, so you get to feel exactly what the motor wants you to feel.