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  1. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    The did their standard testing protocol... but better because they tested a Model Y and R1S in the *exact* came conditions. The point of the test is not so much to find the "true" range of efficiency of the car (too many variable), but rather to have an independent, 3rd party test that can be...
  2. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    We know the answer is yes the Scorpions suck.
  3. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    It charges for however long it takes to add 150 miles of range at the prescribed speed. Thats why the lines in the first 2 line graphs cut off at 90 and 95mph - the cars can't do 150mi at 90mph even from 95% We can also model it as 30 or 15 minute charges (the last charge does not go full...
  4. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    I'll add the actual settings to the post. That's already what it is doing. I just think showing up at a destination with 10% sucks unless it's your own home. I'm also working on a way to do this per-vehicle. It's mostly done, but I don't love the way it looks and don't 100% trust it yet...
  5. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    Using Bjorn Nylands 120km/hr (74.5mph) test, I have the iX3 at 2.9mi/kWh and 317mi of range. I think that more or less agrees with the results here. Using todays OoS testing (and the State of Charge charging curve), here's what a 600mi road trip, stopping every 150mi with a 20% destination...
  6. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    Same corrections applied. Boxy shape is probably massively advantaged by altitude, more than the dyno / cd would suggest. A R1S in Colorado can get nearly as efficient as an R2 in NC
  7. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    It's the one thing in Kyles testing procedures that I really don't like. They should have something more consistent like a maximum of 25F heating and 10F cooling (sunny), 20F (overcast/night). But that would be wildly uncomfortable. Regardless, the Model Y *spanks* the R2 in like-for-like...
  8. R2 vs Model Y 70-MPH Highway Range Test (by Out of Spec)

    Jose loves to run his AC at "LOW" typically. He was probably sweating buckets at 68F. Hot temperatures mean less air resistance. If we assume (mostly SWAG) a 1500W AC load and compare to the EPA Dyno charts I've been posting... This *still* somehow did worse than the State of Charge range...
  9. 2027 R2 Performance vs. 2026 Model Y Performance - highway efficiency test (Out of Spec comparison)

    One thing to consider is how would they actually accomplish these tests? Best case scenario would be a rolling road dyno inside of wind tunnel. Those things cost hundreds of thousands of dollars per hour to run. You can't run them outside because you can't control all the atmosphere...
  10. 2027 R2 Performance vs. 2026 Model Y Performance - highway efficiency test (Out of Spec comparison)

    I totally agree it would be useful, but at what speed? What elevation? What temperature? What wind conditions? No one combination will be representative of most peoples use cases. Some calculated example points from the R2 EPA filings below. Just between 100F and 72F there's a 22 mile range...
  11. R2 Highway Efficiency Test: 80 MPH vs 70 MPH Changed Everything

    The R2 came on 20" wheels. I don't actually know when they swapped them. Perhaps it was at the factory?
  12. 2027 R2 Performance vs. 2026 Model Y Performance - highway efficiency test (Out of Spec comparison)

    Very first world problem - uou could add 10 minutes and charge. Or drive 5-10mph slower. But at the same time I totally agree that the iX3 is worth the premium in terms of efficiency, range, and charging.
  13. R2 Highway Efficiency Test: 80 MPH vs 70 MPH Changed Everything

    Great news, OoS just did very short but well controlled 50, 60, 70, 80mph tests vs a Model Y. Worth noting - the 10% challenges show a much larger difference than the side-by-side runs. I think it's pretty safe to say the R2 is 20-25% less efficient than the Model Y (Performance) at any...
  14. 2027 R2 Performance vs. 2026 Model Y Performance - highway efficiency test (Out of Spec comparison)

    There's not a meaningful difference between these IMO. Based on the side-by-side data, you get 20% less efficiency but you'll have 8-15% more battery (Model Y battery likely will lose ~5% in the first year, R2 probably none). 10-80% is faster. All adds up to maybe 2 minutes per charging stop...
  15. 2027 R2 Performance vs. 2026 Model Y Performance - highway efficiency test (Out of Spec comparison)

    But we can see that the 10% challenges between Model Y and R2 were a more extreme difference than the side-by-side testing, by almost double. Either measurement on it's own is within margin of error IMO, but they stack in opposing ways, making the difference seem more extreme. At the end of...
  16. Great Truck - Unrealistic to Maintain

    Gemini is probably wrong. Under "Coverage overview → Parts," the brochure lists Suspension dampers and Air compressor by name as example covered parts. Under "Mechanical components," it repeats Suspension dampers (with a $4,950 illustrative out-of-pocket cost example) and specifically "Air...
  17. High Capacity Battery (Lucky me?)

    This is AI making shit up. I don't know what the weight difference is between (original) Large and Max, but they use the exact same number and size of cells in the same modules and overall enclosure. The real weight difference is probably +/- 20lbs. Edit: cells are about 1g heavier each...
  18. R2 Highway Efficiency Test: 80 MPH vs 70 MPH Changed Everything

    Not wrong that Model Y Performance punches above EPA here. I have no way to prove or disprove this table of speeds and ranges. 70mph looks reasonable. Would be nice if you shared method and sources. I just added the 10% challenge data to my calculator and added some additional corrections...
  19. R2 Highway Efficiency Test: 80 MPH vs 70 MPH Changed Everything

    Yes and no - I am generally, as that seems to be the popular comparison point for highway range (70 or 75mph). Are these values based on the route you provided above? Because there's a lot of city streets and whatnot involved here. And besides, I got different efficiency than you using the...
  20. R2 Highway Efficiency Test: 80 MPH vs 70 MPH Changed Everything

    I am a huge downer on the R2 range and charging. It's inadequate for what I want out of this class of vehicle. But I think that all evidence says that 2.9-3.0 is possible in good conditions on 21" wheels and tires. Perhaps you're mixing the 20" and 21" variants? the 20" ATs should land...





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