Rivian has said the Outisde Diameter (OD) is 32 inches for both size rims with tires mounted (20" & 21"). So, the rollout is the same. The 20' wheel & tire combo must be heavier than the 21" wheel & tire combo. That would explain the result of less range when using the 20" wheel.
I did my demo drive yesterday in West Palm Beach, Florida and today the sales center called to see if I had any additional questions. He then said "let me know if you want to come back for another demo drive". You will get many chances to demo the R2 or the R1 models.
I arrived early today for my R2 demo drive. The R2 demo vehicle was out on a drive, so I was offered a demo in the R1S Tri-Motor. This was my first time driving a R1S, I did previously demo drive a R1T at the R2 block party. I did get to demo a R2 today. When driving the R2 I did experience what...