- Are you comparing QM R1S to QM R1T?
Yes. I am trying to compared the quad r1t of daytripping to my wife 's quad r1s. I'm aware that the r1t is more aerodynamic. Driving style of hers is very light footed.
I'm jealous of your efficiency !! I'm still around 2.05 ish for the first 1k miles. Rivian showed 285 full charged and Teslafi showed 292. Ride is almost identical to my grabbers, but the looks of the GY on the R1s is just awesome !!! Do you ride in "low" most of the time? We have ours in auto height !Mine is a bit better than yours. It looks like.
In that 30 mile amount, about 20 miles were in AP. There was about 2 miles of stop and go traffic and ~8 miles of 2 lane roads were traffic typically goes 55 mph punctuated by stop lights which I rarely hit so I stop and then accelerate back up to cruise again. Not exactly the best for efficiency compared to steady state cruising at a low speed. The 43 mph average is brought down because of the stop lights, not because my average speed while in motion is even close to 43 mph.
| Tires | MPK |
| Pirelli 21 | 2.38 |
| Territory AT (mostly cold weather) | 2.30 |
| Territory AT correct config | 3.08 |
| Blended Territory info | 2.37 |
I trust your numbers bro. I'm not even in the market for new tyres and I've been following all your posts. Really appreciate your time and feedback for the community. People like you make this board better. All the best.In that 30 mile amount, about 20 miles were in AP. There was about 2 miles of stop and go traffic and ~8 miles of 2 lane roads were traffic typically goes 55 mph punctuated by stop lights which I rarely hit so I stop and then accelerate back up to cruise again. Not exactly the best for efficiency compared to steady state cruising at a low speed. The 43 mph average is brought down because of the stop lights, not because my average speed while in motion is even close to 43 mph.
Because your reluctance to believe the results, I've run them multiple times, under various conditions. They all pretty much come back the same way or close enough for margin of error. I personally don't care that much about efficiency. All I wanted wanted was tires that didn't have horrendous efficiency.
All the other routes were at the posted limits on the roads, as I am doing Comma.Ai testing, so we can get better torque values for the driver assist. So I set the truck's speed by GPS according to the posted limit. I then engage the cruise control and let Comma do the driving as much as possible.
So if my results are an outlier, then so be it. I've run this test at least 3 times now. I have no long downhill sections in Dallas where I could even possibly game the system if I cared enough to bother with it. In general, I am looking at a net elevation gain over the posted route. I have no desire to draft anyone and risk breaking a windshield. Heck, doing 60 mph in Dallas makes you a sitting duck most of the time and if I wasn't running these tests, I'd likely be driving 75-80 mph when not doing Comma.AI testing.
FYI - here is the route I take for my testing. It has slightly different starting and end points but covers the bulk of the route I take. You can see what types of roads for yourself. On 75, the speed limit is typically 70 mph.
https://www.google.com/maps/dir/Rivian,+3010+Knox+St,+Dallas,+TX+75205/Lavon+Donuts+&+Pizza/@33.0195661,-96.8042711,11z/data=!3m1!4b1!4m14!4m13!1m5!1m1!1s0x864e9f1cba28fb79:0x5730bdeb72b3d22f!2m2!1d-96.7867735!2d32.822589!1m5!1m1!1s0x864c0f0030d51e09:0x199dcc38ed842b00!2m2!1d-96.501429!2d33.1089161!3e0?entry=ttu&g_ep=EgoyMDI1MDMyNS4xIKXMDSoASAFQAw==
As far overall MPK, I am currently at 2.37 with most of my driving in the cold and much higher speeds that I've posted while doing the 60 mph test. So I even took the trouble to break out my data for you based on since it has been warmer and with the correct tire config. This is from Electrafi. Included is my data for the Pirellis. I bought my GY's in the middle of our cold winter with a lot of the driving at first in snow, ice and sub freezing temps. My truck sits outside so never starts with a warm battery either. We all know how badly that impact efficiency as well.
View attachment 128187
To simplify it even more, here is how it breaks down for MPK. I made this table.
Tires MPK Pirelli 21 Territory AT Territory AT correct config Blended Territory info
I am pretty much done with efficiency testing. I've posted my test results and brought the receipts every time. Very few people here have brought the level of detail I have to their efficiency data, and I stand by my numbers. I don't really have a dog in this hunt. I am happy with the range and efficiency of my truck. The tires have performed awesomely so far. They are pretty quiet (very light, low speed hum), have good traction, and good ride quality. They are all I could ask for out of a tire of this type since I couldn't get anything like Michelin Pilot Sports or similar. That would suit me better for how I typically drive the truck. I bought my truck to be a daily driver/sport truck with occasional trailer towing.
One final comment to efficiency context is I typically will use the heated seats from 55F ambient temps and colder. I will turn on the heat once the cockpit is in the low 50's and set it at 70F. When hot I hat to be hot so typically once the cabin gets in the high 70's, I'll turn on the AC. Yesterday was an exception as I had the windows open when not on the main highways. That doesn't help efficiency but I love the fresh air which I can't often have the windows open in Texas as it gets too hot or too cold so maybe 2 months out of the year I can really enjoy driving with the windows down. Yesterday was one of those amazing days.
My only unanswered question about the tires is how long they will last. I am tracking my tire wear every ~1k miles.
Thank you, that means a lot! I've been as transparent as I can be. I don't think anyone is more shocked than me by the numbers.
Just to support this, the air resistance should be 35% less than at 75mph (60/75)^2. Since most of the energy is going to air resistance at this speed, let's say energy consumption is 25% lower. That would turn 2.3 mi/kWh at 75mph into 3.0 mi/kWh at 60mph. Made up numbers but just to show.
@DayTripping how do you get to this screen?Mine is a bit better than yours. It looks like.
We can use the 5.75 mile trip to get the upper bounds for your MPK, the trip was an average speed of 21 mph, relatively flat so we don’t need to factor in steep hills. Assuming minimal impact from higher elevations and only about 0.15 - 0.2 total adjustment is needed. That means your MPK <60 mph at 60 F is right about 2.6 give or take a little bit. While I agree the GYs are extremely efficient, I also suspect your AW rims are playing a part as well. Once we have more data points for the GYs (additional drivers/vehicles) we should get a better idea of what’s attributable to the tires and what is not.Thank you, that means a lot! I've been as transparent as I can be. I don't think anyone is more shocked than me by the numbers.
Anyway, I am going back to drive it like I stole it at least when I am done with doing Comma.Ai testing.
I was going more Comma runs so I've been leaving it in Conserve mode. I started out with my same route on 75 but kept it at 60 since traffic wasn't going much faster than that. Strong winds again today. Just under 3 mpk for the day. The first 2 runs were on the freeway, the last in stop and go traffic.
One thing I've learned if I slow down to 60, I can realllyyyyyyy stretch out the range, even more in conserve mode. Not too bad for a quad motor R1T rolling on what are presumed to be not the most efficient tires. I have no doubt there are better, but these are working well.
I plan to post more data when I am back in drive it like I stole it mode for reference.
