[Nachlas]

I researched the various specs related to taking a Rivian off-road. Each model's specifications are unaffected by the choice of battery pack size.

R1T
Off Road Ground Clearance: 360 mm (~1.18 ft)
Approach Angle: 34 degrees (offroad mode)
Departure Angle: 30 degrees (offroad mode)
Ramp Breakover Angle: 26 degrees (offroad mode)
Maximum Climbing Gradient: 45 degrees
Maximum Water Fording Depth: 1 meter (3.28 feet)

R1S
Off Road Ground Clearance: 365 mm (~1.2 ft)
Approach Angle: 34 degrees (offroad mode)
Departure Angle: 30 degrees (offroad mode)
Ramp Breakover Angle: 29 degrees (offroad mode)
Maximum Climbing Gradient: 45 degrees
Maximum Water Fording Depth: 1 meter (~3.28 feet)

 

[Nachlas]

Here are some other trucks, for comparison:

Chevrolet Colorado ZR2 Approach Angle: 30
Chevrolet Colorado ZR2 Departure Angle: 23.5
Chevrolet Colorado ZR2 Breakover Angle: 23.5

Ford Ranger 4x4 Approach Angle: 28.7
Ford Ranger 4x4 Supercrew Departure Angle: 25.4
Ford Ranger 4x4 Supercrew Breakover Angle: 21.5

Toyota Tacoma TRD Pro Approach Angle: 35
Toyota Tacoma TRD Pro Departure Angle: 19.1
Toyota Tacoma TRD Pro Breakover Angle: 23.9