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Rivian Provides an Update on the Enduro Two-Motor Powertrain

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Rivian R1S SUV
Rivian’s less-costly dual-motor in-house electric motor is nearly ready for production.

Rivian founder R.J. Scaringe took to social media to tease the company’s upcoming Enduro electric drivetrain.

This system is designed and built by Rivian in-house rather than purchased (at what is said to be a high cost) from Bosch.

The Enduro-equipped dual-motor all-wheel-drive R1S SUV with the optional Max Pack will provide 390 miles of range while preserving the crucial third row to provide seating for seven passengers.

“This is something a lot of customers were excited about and wanted, so we put a lot of time and effort into making sure we could deliver this,” said Scaringe in a video posted to Twitter from his personal account.

Rivian will start delivering these Enduro-powered vehicles in about six months. “We’re going to start deliveries of this configuration in the fall with the Enduro drive unit,” he said. “I’m excited about it and I know there are a lot of customers out there who will be excited to get this configuration.”

Rivian’s Dual-Motor AWD features two single-motor Enduro drive units — one on the front axle and one on the rear.

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Rivian's Enduro power unit.

The motor, gearbox, and inverter are developed and manufactured entirely in-house by Rivian in an impressively compact package. This configuration uses different front and rear gearing to boost torque to the rear wheels, so the vehicle will have a rear-drive feel and tow ratings of 11,000 lbs. for the R1T and 7,700 lbs. for the R1S. (17).gif

These vehicles use conventional brake controls to manage left-right torque distribution, whereas the existing quad-motor models using the Bosch-supplied motors are able to apply power to each wheel individually from its own dedicated electric motor.

Dual Motor

  • 0-60 mph as quick as 4.5 sec
  • More than 600 horsepower
  • More than 600 lb.-ft. of torque
  • 11,000 lbs. towing for R1T/7,700 lbs. for R1S
  • Front-to-rear torque vectoring

Quad Motor

  • 0-60 mph as quick as 3.0 sec
  • More than 800 horsepower
  • More than 900 lb.-ft. of torque
  • 11,000 lbs. towing for R1T/7,700 lbs. for R1S
  • Fully independent torque vectoring (16).gif

An optional software upgrade to the Dual-Motor AWD system boosts power and acceleration, delivers approximately 700 horsepower (vs. 600+ hp for Dual-Motor AWD), and more than 700 lb.-ft. of torque (vs 600 lb.-ft. of torque for Dual-Motor AWD), and acceleration from 0-60 mph as quick as 3.5 seconds (vs 4.5 seconds for Dual-Motor AWD).

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