Technically, the R1T and R1S both get a four-motor electric skateboard platform developed by Rivian.
These four electric motors produce power that is not much different. The two front motors produce 309 kW or 420 hp while the two rear motors produce 313 kW or 425 hp.
When working together, the four Rivian R1T and R1S motors are claimed to have a combined power of 845 hp and 1,231 Nm of torque.
See also: Rivian announce plan for electric vehicle plant in Georgia
So what are the differences between the R1T and R1S? Of course from the body, the Rivian R1T is a pickup while the R1S is an SUV.
The R1T has an open body, while the R1S has a closed trunk and three-row seats that can accommodate up to 7 passengers.
Now, unfortunately, because of the SUV body, the R1S has to give up one unique feature of the R1T, namely the Gear Tunnel which is situated between the cabin and the tub.
The Gear Tunnel is an additional luggage feature on the R1T that can also be used to install the Camp Kitchen option feature.
Apart from the Gear Tunnel, differences can be found in the Environmental Protection Agency (EPA) rating. The Rivian R1T gets an estimated mileage rating of 314 miles or 505 kilometers.
See also: K-Turn Mode, a feature for the Rivian R1T and R1S that can make the car turn like a tank
As for the Rivian R1S, it gets a slightly further EPA mileage estimate of 316 miles or 508 kilometers.
Keep in mind these EPA ratings are R1T and R1S ratings with standard “Large Pack” or 135 kWh batteries.
Until this article was written, only the Rivian R1T received the “Max pack” battery option which has a capacity of 180 kWh.
With this large battery, the R1T's claimed mileage goes up from 508 kilometers to over 400 miles or 640 kilometers.
Oh yes, if you look at the configurator, the Rivian R1T gets the option of a full-size spare tire while the R1S gets the option of a compact spare tire that can be deflated.
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