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  1. Winter Range Effects in Midwest

    So we are looking at getting a R1s for the family but I have some concerns/questions about making sure we get the right size battery. In areas like the upper Midwest where we see weeks in a row below 32 degrees F, is a ~40% range drop realistic? Does that number get exponentially worse as...
  2. Do you use eco modes, tire pressure changes, or other tweaks to improve winter range?

    Winter takes a bite out of range, but everyone handles it differently. Have you found any small adjustments that made a noticeable difference for you? — Team Electruck
  3. Pirelli Scorpion XTM AT Elect HL's real world efficiency results.

    I've already posted this over on reddit but figured I'd drop it here also. ---------------------------------------------------- So I just got these swapped in 3 days ago and took it on a short road trip. Total trip was about 300+ miles but I collected data from the two longest sections (going to...
  4. Sometimes slower is faster, what I learned on our 2,600 mile trip

    Sorry this is so long.... We just got back from our most recent road trip to see our daughter in Denver. When we travel, we always meander and sight see. We did this in our 2023 R1T Dual Max. Our trip started at home in Joshua Tree, CA to Gallup NM , Durango CO, Buena Vista Co, Denver...
  5. Range Against the Machine¹ - Rivian OEM Wheels, Tires, and Range Considered

    Note: See new Post #49 for further thoughts on how to test for the effects of wheel/tire sizes on range. ***** Talking Points Target audience: Readers new to Rivian and/or electric vehicles in general. (But input from experienced Rivian drivers is welcomed.) Premise: Rivian SUVs and pickups...
  6. Efficiency of Michelin Defender LTX M/S 2 275/55/21 vs. OEM 21's

    I've got a new 2024 R1T still riding on the OEM Pirelli Scorpion's. I expect those tires to wear out relatively quickly compared to other tires I've had on other vehicles. I like the range I get with the stock 21's, and now that there seems to be a viable alternative to them I like the idea of...
  7. Motor Trend: The Most Efficient Car in the World Is a Sleek, Swift EV

    https://www.motortrend.com/news/2025-lucid-air-pure-electric-sedan-worlds-most-efficient-car
  8. Compact spare range???

    I am going back and forth between the compact spare and a full size spare for our R1S for long family road trips this summer and was hoping someone with the compact spare may be able to help. Does anybody know what the official range recommendation from the manufacturer is? They are someone in...
  9. Max mi/kWh limited to 4… why?!

    It would be nice to NOT have a limit on mi/kWh. Appears to be limited to 4… But why? Let’s say my trip is essentially all downhill. mi/kWh could essentially be 99+ I don’t see a reason to limit it to 4 mi/kWh. Please update this in a future software update Rivian ?
  10. How does Rivian calculate the mileage range when EPA numbers say it is much less

    Hi, I'm new to Rivian (had my car for 2 weeks now) and I'm very surprised with the mileage average I'm getting which is after 500 miles something below 2miles/kWh. Mostly driving 50/50 freeway and city. Rivian posted their usable battery size and I calculated that I'm only getting 75% of what...
  11. Hi There, from Mountain Pass Performance

    Hi everyone, I'd like to introduce myself. My name is Sasha Anis, and I am the founder of Mountain Pass Performance, based in Toronto Canada. Along with my team, we have become the leading performance aftermarket provider for the Tesla Model 3, with a catalog of performance parts nearly 100...
  12. Efficiency and Range Numbers Don't Add Up

    Not sure if this is really an "issue" but the efficiency numbers for my R1T seem off. I'm in California, driving on 21" AS wheels/tires. Usually a pretty normal, slightly conservative driving style. I drive mostly rural roads and freeway (not a lot of stop lights or stop n go block by block...
  13. Stock Rivian R1T Wheels Comparison (20" AT, 21" Road, 22" Sport) Range and Efficiency Test --by OutOfSpec

    The team at Out of Spec has released another video, this time highlighting range and efficiency aspects for the three stock wheel options. YT Link: Rivian R1T Consumption Test!
  14. 6X12 U-Haul Trailer Towing - Anyone do this yet?

    I’ve seen some favorable range hits posted for the 5x8 trailer with little weight added, but was wondering if anyone has had the chance to tow the larger U-Haul trailer yet with it loaded with some stuff. I have a cross country move coming up and I may be faced with the decision to delay...
  15. Am I crazy?

    Am I crazy in either of these 2 ways... I placed my order last month and I'm in no hurry...planning to drive my 2010 4runner until I get a pickup, whether that's a Rivian or whether I bail and get something else. But I'd like to have it by the end of 2022. Am I crazy to think that's plausible? I...
  16. Gas-in Electric (as opposed to Plug-in Hybrid)

    I was looking around for ideas on adding a generator to the car, and came across this https://www.rivianforums.com/forum/threads/generator-to-charge-r1t-when-extra-range-needed.2057/ but nothing about incorporating a generator to the actual car so I figured I'd start a new thread (where I'm sure...
  17. Reviews coming in for Lucid

    It seems the reviews are coming out for the upcoming Lucid Dream EV. https://electrek.co/2021/08/25/lucid-air-dream-edition-buyers-choice-over-1000-hp-500-miles-range/ Lucid has also set the benchmark for EV range (500Miles/charge) and this review backs that up... I am somewhat disappointed...
  18. $7,500 to spend on R1S: upgrade to Adventure trim, or 75mi of range?

    With Rivian having announced a long-range (max(ish?) pack) version of the R1S, and it likely being under 400 miles, there's a good chance that the cost to upgrade might fall within $5k - $7.5k depending on how many more miles above 300 they can manage (given that they're charging $10k for 100...
  19. Poll on additional cost for 400 mile version

    How much are people willing to shell out for the additional range? You can also take into account the longer wait time - likely 6 months on the R1T and a year(?) on the R1S





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