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Since we don't have final figures from Rivian, the comparison to other vehicles is used to guide us to what the Rivian figures will be. From the base efficiency & range numbers, there are variables that impact range. Understanding what those variables are and how they impact your range is...

Here we go again. I have posted this a couple of times before, but I will repost for your benefit. First, all we have is the tea leaves to read into at this point. I did not use the DCFC data as it was not specific to a power level, therefore a calculation could not be made. Rounding was...

Sort of an educated WAG. If their data indicating 428 Wh/mi holds true and my assumption that they will make nearly all of the battery available, then the math works out to a 419 mile range. Unless their data on charging speeds published on their webpage is very wrong, then they pretty much...

Interesting article: How Will Ford and Rivian's Partnership Unfold Going Forward? (motortrend.com)

Does that look like a lot of body roll?

Thanks. I kept reading and looking for a link and just thought I was blind.

Thanks for the article. Interesting. I can't seem to find the Wh/mi data in the article. Am I missing something? So they traveled 75% of their EPA range (Tesla) up to 92% of their EPA range (E-Tron) at 70 mph. [No surprise that again Tesla's range is grossly overstated]. [This especially...

My prediction is that Rivian is going to follow Tesla's lead and make nearly all of the battery usable with the guidance to only charge above 90% when needed. So, if I am correct, the formula would be 179.3 kw of usable battery / 419 miles of range = 428 Wh/mi. Just a WAG.

Thanks for the video. I agree with you that 500Wh/mi is reasonable. The base is projected to be 428Wh/mi. Add highway speeds with the shape of the Rivians and it will be somewhere between 450 and 500Wh/mi. Note: In your numbers, you need to drop the k from kWh/mi to just Wh/mi. 399 kW per...

Tesla is aggressive in their range projections. I agree that factors in. Hopefully, Rivian is NOT like Tesla in their gamesmanship of the range numbers. On that trip, it looks like I mostly used cruise control at 77mph. Averge speed 75.

I don't know the answer, obviously. I hope you are right. It will be interesting to see what the real numbers turn out to be. We are really close to launch to still have to guess on such an important element of the vehicles. But, if the published info doesn't change, with a rated range of...

At 70 mph? I'll wager money against that.

Road tripping in a BEV does require a change of mindset. It took our family some time to adjust. We are over 5 years into a no ICE life and the family including kids and dogs have adjusted to the stops every few hours. The more often you stop, the less time you actually spend charging on a...

I think your math is pretty close. The car is predicted to be rated at about 428 Wh/mile. So a 17% premium (500 Wh/mile) to go 70 mph is realistic in the Rivians. I average about a 20% premium in my Teslas over 5 years of driving. These have ludicrous and I tend to use it and 70mph is the...

There are primarily two different ways to monitor driver awareness. Tesla: Looks for active torque being applied to the steering wheel. Too little and you get nagged and too much and you disengage autopilot and veer to the side. Rivian & others: [Only While using Driver +] A camera in the...

With our X, we were 3rd for the Sigs and had crazy offers for the car in 2015. I am torn on the Max pack, so for $25,000 someone can make the decision for me.

I will sell my LE after I take delivery for $25,000 over my cost including sales/vat tax. I am an early reservation which should be June if an R1T or August if R1S

That is good news. Does not surprise me that Tesla would not be using the best available. Much like the flash memory in the MCU that they tried to argue was only meant to last a few years and it was an expendable item like tires. As Tesla says, "your car is performing as designed and within...

I finally found out where the EPA testing average highway speed of 48 mph comes from. Apparently 1934.

Thanks for the info. I hope they can avoid the X issues. I have gone through multiple half shafts and the vibration when they start to wear is intense.