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I don't like that they shrank the Standard and Large batteries. While the vehicle is more efficient, which is great, the RTT, trailer, campsite electronics or canoe aren't more efficient. And it's more expensive. If the Large pack is a software limited max, then that might be the way to justify...

Agreed. I believe RJ said the R2 will be 400V for cost reasons. They already have their architecture built for 400V and it's expected to be shared with R2 and R3. So, expect 400V for a while. Which seems like it's mostly going to be a few minutes slower per stop for the impatient travelers.

See: https://www.rivianforums.com/forum/threads/22-sport-vs-22-range-exact-same-range.28884/ and: https://www.rivianforums.com/forum/threads/is-the-r1-gen-2-large-battery-pack-just-a-software-limited-max-or-prior-large-pack-or-something-else.28873/

Thanks. I'm not sure how to read that data, but it looks like 431 Wh/mile = 2.3 Kwh/mile. That seems pretty decent. I think I used to get +20-30% energy usage from moving 2 kayaks on my model S. Also, the yellow and black color scheme is pretty nice. Are you thinking of blacking out the...

What's your efficiency impact with your vehicle setup like that?

I heard they have a new dedicated micro processor managing the 12V charging so that it doens't need to wake up as much of the vehicle just to charge the 12V battery. According to someone at Rivian, the gen2 is likely class leading in vampire drain.

I clicked on this thread to try to do the opposite as a way to drive in a normal mode without it disabling the rear motors. Seems like all I'd need is the right load and a trailer connector. Good luck with your challenge. I hope it works out safely for you.

One of the videos from launch day had an employee say the new range wheels would add 2-3 miles. I would have expected 2-3 percent or more. So this is definitely something I want to find out more about.

Being a software locked max pack is just one of the options I'm asking about. But, I believe the EPA document implied they might use either a Large 131 or max 141 pack software locked to a standard. I'm not sure to know which one any specific vehicle has. The best evidence was from the charging...

That's basically what they did with the gen1 Standard Pack. It was 106 kwh from either 141 or 131 kwh. It seemed 'insane' at the time as well..

The max pack is 141.5 kwh using the newer 53g cells. The gen2 large is reported to be 109 kwh. We know Rivian sold Standard and Standard+ packs as SW limited packs. The gen2 large is still available with dual motor performance, that the LFP battery isn't. So, it needs to maintain a kind of high...

There are more changes that likely effect the efficiency than HVAC updates, like the new aero covers. The range estimate seems to be improved in the standard test too.

Do you think there's any reason for "Test Group SRIVT00.0SEP" from the EPA documentation to think they're going to delay until September for all of them?

There has been a lot of discussion about the benefits of a heat pump. But, as pointed out here, Rivian has actually measured the improvements of the HVAC system from 2024 to 2025 model years. And with all the changes, it's like 20% improvement in their cold temperature testing. 2024...

Presuming the rubber seal is the same size, it does look like it's less deep in the refresh. But, if it doesn't have the shelf, it might gain back some space. I bet that space was used for the new HVAC configuration.

I had another vehicle with OEM tires in a very unique size. Yokohama kept making the tires for a long time. I'd expect Rivian probably has an agreement for Pirelli to make the tires for 10 years or similar.

I'd be very interested to hear from owners of the performance versions to see how well they compare. I suspect there are other suspension tuning differences. But, it's possible that it's still very similar, just with less hp.

"08.03.01 Battery charging capacity Battery pack nominal capacity for Max Pack is 381.6 Ah based on a constant current C/5 discharge rate. Max: 140.8 kWh"

The Pentium was worth waiting for. :) It's all been more incremental updates every since. :P

My inner engineer is happy to see someone taking aero to the max. I'd love to have wheels like this on my model 3. But, I still think they're ugly. They're almost ugly enough to surpass my inner engineer. Maybe someone will come up with some neat wraps.