20" Inch Goodyear Territory AT 275/60/20 Factory AT tires + saving $

[DayTripping]

Absolutely brilliant! I ran my very private test today on the OEM 20s (G1 R1S) and got about 1.5 mpk. I don't know if I will ever be able to do 60mph when everyone else is going >80. Seriously, I believe your numbers. Cheers.

That is the problem with where I have run, most every is doing 80 and normally I am one of them. It was so hard to just set there at 60 when everyone is just blazing by you. It reminds me of the areas on the US where there was super strict law enforcement or stupidly low speed limits.

Anyway, at these speeds I can get over a 370 mile range out of my large pack. My normal range is about 280-290 on the highway when running ~75.

Sponsored

 

[aonic]

Changed from OE 22” to these tires on 20” dark wheels today.

Didn’t notice any negative changes for road noise or ride quality. I would say ride quality is slightly better, and I hear less creaks and rattles inside the cabin now (due to more sidewall)

 

[aonic]

Question for you all. I noticed my driver side tires have the little chevrons pointing towards the rear of the car on the tire, and the passenger the chevrons are pointing the other way. Is this normal? Photos attached

 

[godfodder0901]

Question for you all. I noticed my driver side tires have the little chevrons pointing towards the rear of the car on the tire, and the passenger the chevrons are pointing the other way. Is this normal? Photos attached

Yep.

 

[DayTripping]

Changed from OE 22” to these tires on 20” dark wheels today.

Didn’t notice any negative changes for road noise or ride quality. I would say ride quality is slightly better, and I hear less creaks and rattles inside the cabin now (due to more sidewall)

Those look great on the truck. FYI - my efficiency was pretty good to start with but improved significantly over the first 1k miles. We had another cold spell and I've running the heat a lot and very short drives a lot so I can't tell if efficiency has leveled off or not. Still very happy with the tires.

 

[dngo]

Towed our Scout trailer for a winter cabin camping weekend. Efficiency, even in 25deg weather cruising at about 70 while towing a 3000lb trailer with the aero of a small barn, was excellent - about 1.3mpk. It also snowed 3-4” and the truck did great through an unplowed parking lot. I’m super happy with the tires so far.

 

[DayTripping]

I did some runs AP mode with colder temps today at 70 mph true, 71 indicated. I had a headwind one way and it was a tailwind the other. It was steady 10 gusting to 18 mph. It was a greater headwind, which is my first one, according to Electrafi, than it was a tailwind on my return.

With the strong headwind, it was 2.01 mpk, and with the tailwind 2.49 mpk. Tires were slightly underinflated at 45 PSI since I hadn’t aired them up since it turned cold. Temps were slightly above freezing. The first screen photo shows the temperatures when I was first getting on the freeway in Dallas, which was warmer than where I typically do my testing.

All in all the efficiency in AP mode is pretty solid. I ran the heated seat and wheel and had the cabin at 60F. If were to average it out, it would be about 2.25 but would be on the low side as I had more of a headwind than a tailwind and the headwind pushes my airspeed up into the 80's where the truck's efficiency has fallen off a cliff. So for the sake of argument I'll call it 2.25 but I think it would probably be closer 2.3 mpk. Considering it was cold and I had some heat on, I think those are pretty reasonable 70 mph numbers.

I reset my range estimate screen when I put on the tires. I've got about 1100 miles on them now and you can see what it says. For reference, my truck had an EPA rating of 328 miles.

I found out something interesting today that wasn't unexpected. I had previously mentioned that the tires provided audible feedback when approaching the limit in turns. That also applies to hard launches as well. I think this will also help me fine-tune my launches as I can hear right when the rear tires start breaking loose. Still don't know if the absolute traction is better or worse than my 21's as it is cold out but will be interesting to play with them and see.

 

[Forager]

At this point I'm just waiting for Discount Tire to stock them!

 

[aonic]

At this point I'm just waiting for Discount Tire to stock them!

I got mine from DT. They were able to order them for me

 

[DayTripping]

You can always do what I did, go in and just have them order them. Tire Rack stocks them and you could always order there and have them shipped to DT. I asked my local DT and they had no idea when they might actually stock them.

 

[KootenayEV]

I did some runs AP mode with colder temps today at 70 mph true, 71 indicated. I had a headwind one way and it was a tailwind the other. It was steady 10 gusting to 18 mph. It was a greater headwind, which is my first one, according to Electrafi, than it was a tailwind on my return.

With the strong headwind, it was 2.01 mpk, and with the tailwind 2.49 mpk. Tires were slightly underinflated at 45 PSI since I hadn’t aired them up since it turned cold. Temps were slightly above freezing. The first screen photo shows the temperatures when I was first getting on the freeway in Dallas, which was warmer than where I typically do my testing.

All in all the efficiency in AP mode is pretty solid. I ran the heated seat and wheel and had the cabin at 60F. If were to average it out, it would be about 2.25 but would be on the low side as I had more of a headwind than a tailwind and the headwind pushes my airspeed up into the 80's where the truck's efficiency has fallen off a cliff. So for the sake of argument I'll call it 2.25 but I think it would probably be closer 2.3 mpk. Considering it was cold and I had some heat on, I think those are pretty reasonable 70 mph numbers.

I reset my range estimate screen when I put on the tires. I've got about 1100 miles on them now and you can see what it says. For reference, my truck had an EPA rating of 328 miles.

I found out something interesting today that wasn't unexpected. I had previously mentioned that the tires provided audible feedback when approaching the limit in turns. That also applies to hard launches as well. I think this will also help me fine-tune my launches as I can hear right when the rear tires start breaking loose. Still don't know if the absolute traction is better or worse than my 21's as it is cold out but will be interesting to play with them and see.

With our much cooler than usual temps here in the last few days (-15C or 5F), my battery has been getting cooler than usual (I charge every 2nd day; it's been as low as -6C, 21F).

I first noticed that my range estimate screen read something different than I'd ever noticed in the 54,000km since I bought the truck, it was around 430km instead of 459km. I paid close attention for a few days and realized that when the battery cooled down over >24hrs and went below ~5C (40F), my state-of-charge would creep up while the range estimate at full charge would creep down! I observed this behaviour in lock-step (though not linear) with my battery temp for the range estimator (ie I checked the range estimator every time the battery warmed up a degree).

I charged my truck to full, and it charged as usual; watching the last hour of charging, at about the middle of 97% SoC, it was back up to 459km of range and stayed there even while the session summary showed it put a few more kWh into the pack. It has behaved this way for about a year now since I first tested this. I also get 'free' kWh on the way back out before the rated range starts decreasing!

Take-aways:

• My Tesla did something like this too, and it totally screwed with the values that I would get from TeslaFi (precursor to the software you are using), because it calculated energy on tracking the state of charge. I'm not sure if it still does this, but you might want to pay close attention. Only the vehicle trip meter gave an accurate reflection, since it was measuring the actual voltages/amps and integrating over time to reflect kWh consumed.
• The Rivian reduces the range shown to reflect the temporary reduced capacity of the battery when it is cold; it all comes back once the battery temp increases. I think it also reduced the displayed rated range, since I usually only have vampire of around 2km overnight, but the night I sorta paid attention this week it was more like 10-15km.
• Even at almost 2 years old and 54,000km (~34k miles), I still have the full rated range of when I picked it up, plus a bit of top-end buffer! I'm curious what the original top-end buffer was on my truck. I think this is smart on their part to hide some of this initial degradation away, since LiB are known to lose a bunch in the first year or so, then the degradation levels off substantially. This is probably saving them a lot of calls. Tesla did not do this on my 2018 Model 3 Long Range RWD, so I started with 520km rated range and was quickly below 500 within a year. It levelled off and trended down much slower afterwards: I'm now at 180,000km (110k miles) and 6.5 years, and it is around 465km at 100% now.

 

[LL75]

I did some runs AP mode with colder temps today at 70 mph true, 71 indicated. I had a headwind one way and it was a tailwind the other. It was steady 10 gusting to 18 mph. It was a greater headwind, which is my first one, according to Electrafi, than it was a tailwind on my return.

With the strong headwind, it was 2.01 mpk, and with the tailwind 2.49 mpk. Tires were slightly underinflated at 45 PSI since I hadn’t aired them up since it turned cold. Temps were slightly above freezing. The first screen photo shows the temperatures when I was first getting on the freeway in Dallas, which was warmer than where I typically do my testing.

All in all the efficiency in AP mode is pretty solid. I ran the heated seat and wheel and had the cabin at 60F. If were to average it out, it would be about 2.25 but would be on the low side as I had more of a headwind than a tailwind and the headwind pushes my airspeed up into the 80's where the truck's efficiency has fallen off a cliff. So for the sake of argument I'll call it 2.25 but I think it would probably be closer 2.3 mpk. Considering it was cold and I had some heat on, I think those are pretty reasonable 70 mph numbers.

I reset my range estimate screen when I put on the tires. I've got about 1100 miles on them now and you can see what it says. For reference, my truck had an EPA rating of 328 miles.

I found out something interesting today that wasn't unexpected. I had previously mentioned that the tires provided audible feedback when approaching the limit in turns. That also applies to hard launches as well. I think this will also help me fine-tune my launches as I can hear right when the rear tires start breaking loose. Still don't know if the absolute traction is better or worse than my 21's as it is cold out but will be interesting to play with them and see.

Do you noticed that Teslafi m/kwh is better than the Rivian's trip Efficiency?

 

[LL75]

Question for you all. I noticed my driver side tires have the little chevrons pointing towards the rear of the car on the tire, and the passenger the chevrons are pointing the other way. Is this normal? Photos attached

Goodyear AT is non directional. So, it doesn't matter

 

[DayTripping]

Do you noticed that Teslafi m/kwh is better than the Rivian's trip Efficiency?

I think they track pretty closely, but I can reset the trip computer on the Rivian for the specific stretch I want. Electrafi tracks it from every time I start to drive until I stop, as well as all my charging sessions and idle time (along with vampire drain). I love Electrafi and have been using Teslafi for years.

If I do just the stretch of 75 (N. Central Expressway) where I can most easily do my efficiency testing, it takes a lot of driving to get there so Electrafi and the trip computer usually won't match exactly as I have a fair amount of city driving to get to the highway and I am often driving faster.

 

[aonic]

I’ve got over 300 miles on these now. The Rivian is a joy to drive now, no more harsh bumps, 90% reduction in annoying rattles from the interior, smooth and quiet ride.

who knew moving from 22” OE to 20” with these tires would make such a huge difference.

MPK is definitely improved compared to my 22” as well.

Sponsored