In May 2018, Rivian stated that they had dubbed their upcoming truck with the working name A1T and their SUV with the working name A1C.[18] In November 2018, the truck and SUV were renamed the R1T and R1S.[28] Designed to be capable off-road, both models have 14 inches of ground clearance.[18] The truck was claimed in early testing to be able to sprint from 0 to 97 km/h (60 miles per hour) in under 3 seconds, wade through 1.1 m (3.6 feet) of water and climb a 45 degree incline.[18] The cars are Level 3 autonomous, and have extra features such as automated trailer backup.