Rivian R1s Length And Width. The r1s' wheelbase is 14.8 inches shorter, and its overall length measures 200.8 inches—16.3 inches shorter than the truck. The length of the wheelbase of the r1t is 135.8 inches, and r1s is 121.1 inches.
The r1s’ wheelbase is 14.8 inches shorter, and its overall length measures 200.8 inches—16.3 inches shorter than the truck. Detailed specs and features for the 2023 rivian r1s including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.