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.

Rivian fully unveiled its new range-topping Quad Motor powertrain, and let's just say, Tesla should be concerned. Rivian's models can now boast a four-wheel powertrain pushing out 1,025 horsepower and 1,

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