R1 Tri- and Quad-Motor models are both ridiculously quick, but Quad versions clearly have an edge when they're not tire- and traction-limited.
Despite being quicker the acceleration doesn't feel as violent as in the GMC Hummer EVRivian pegs its Quad-Motor R1 trucks at as little as 2.5 seconds to 60 mph.. As Rivian CEO RJ Scaringe demonstrated in a quick video post on Friday, it’s so accessible, and it requires just a few steps.Getting to the sub-3.
It was enough to say that off-the-line the Tri- and Quad-Motor models are likely going to be quite even in real-world acceleration at legal speeds because it’s tire- and traction-limited.To optimize traction and access those top times, Rivian fitted Quad-Motor models with the available staggered-width Michelin Ultra High-Performance tire package—adding 22-inch Michelin Pilot Sport 5 rubber in 275- and 305-mm widths front and rear, respectively.
I’m told that you *can* get the same kind of time with the SUV—maybe even quicker in the quarter-mile because of aero—if you hook up well from the start, and that the lift of the brake pedal is key. But especially in the R1S it may be a matter of hooking up at those front wheels.
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