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.

Gen 2 of the Rivian R1S and R1T debuted this year, and both now include a new Quad-Motor variant at the top of the model lineup. For the most part, the SUV and truck's respective designs remain unchanged, an usual decision from Rivian but a good one given ...

Rivian already made the most compelling electric trucks in the world. But the new Quad-Motor versions raise the bar.