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.

The Rivian R1T would like to tell everyone that there's only one sheriff in town, and it's got four electric motors.

After a lengthy wait, the 2026 Rivian R1S SUV and 2026 Rivian R1T are now available in Quad-Motor configuration. Rivian owners may remember that the first-generation R1 models were available with a Quad-Motor setup that produced 835 horsepower. Since the ...