That process is helped by Rivian's new system architecture introduced in the Gen 2 R1 platform last year. This not only greatly simplified the architecture of the vehicles, cutting cost and weight, but it enabled far more finite control over those motors.

Just because you don't need a particular car doesn't mean you won't still want it, and I promise you'll want the quad-motor Rivians.

Rivian has long held out the prospect of particularly powerful quad-motor versions of its R1 models. Now the company has presented the series versions with