The 2025 Rivian R1S and R1T quad-motor models are more powerful and quicker than before Despite being quicker the acceleration doesn’t feel as violent as in the GMC Hummer EV The Rivian R1T and R1S are now the quickest SUVs and pickup trucks money can buy Rivian pegs its Quad-Motor R1 trucks at as little as 2.5 seconds to 60 mph. Yes, that’s…