[npgeorgeuw]

Sorry, that was my lack of tech skills using quotes as pulled in more than I was trying to use. Should have just typed it in. May not bode well for the new computer system work is transitioning to.

No worries! Mostly just wanted to exclaim that I generally agree with you both! Like you I drive mine not fixated on the GOM. I traded my GT line for a reason, well, a bunch of reasons and haven’t looked back once. Interestingly, with the stock tires and a not frugal use of the go pedal I’m getting almost exactly the same range estimates as my Mach E GT PE with CC2s. Considering that’s a 90+ kw pack that says something. I expect that range to increase with my new tires coming in.

 

[Unobtanium]

Lemme know how that goes. My PSAS4s are getting put on on Monday so I’ll be happy to be rid of the stock tires. I haven’t had a chance to setup my own snow mode yet. Honestly I have my Gladiator for that but when we get ice it’s usually freezing rain. Nothing is going anywhere when that happens.

My PSA4s got me home safe in bad freezing rain in the Ozarks 2 weeks ago. Ive driven them in rain, snow, dry, etc. Compared to my Volvo ELECT oem Pirellis, they didnt cost me any range. Maybe 1% less over 80mi or something. I liked them so much I have them waiting for my GT at the dealer. Amazing tire.

CC2s have about 10% more rolling resistance than PSAS4s, but Ive owned them, too. They do a hair better in snow and ice, and a lot better in mud/slush. Not as well in the wet pavement, and not as crisp handling. They do wear about 2x more slowly than psas4s. Ive got 12k miles on the psas4s on my c40, and rears are at 6/32, fronts at 5. Started at 10. 402hp/485#tq. No "modes". All beast. All the time. Equal split f/r.

 

[npgeorgeuw]

My PSA4s got me home safe in bad freezing rain in the Ozarks 2 weeks ago. Ive driven them in rain, snow, dry, etc. Compared to my Volvo ELECT oem Pirellis, they didnt cost me any range. Maybe 1% less over 80mi or something. I liked them so much I have them waiting for my GT at the dealer. Amazing tire.

so the big question is do you want my efficiency measurements when I get them? Lol. When is your delivery date?

 

[Unobtanium]

so the big question is do you want my efficiency measurements when I get them? Lol. When is your delivery date?

Im picking the car up next week. More data the merrier.

 

[Lamrith]

I’ve watched a fair number of this chap’s YT videos and enjoy the content. Starting from time index 9:30 and culminating with a bold claim made at ~10:30, the range figures mentioned are particularly relevant to this thread.

As much as I would LOVE to see those sort of numbers, he is pulling that information completely out of his backside with zero factual basis or data to back it up.

I have said it before in other threads (did not believe at 1st, but am a believer now) range for a GT is going to come down to TIRES, TIRES, TIRES. wheel size, or wheel design(aero), but actual tire. Put some low RR EV tires on it, it will jump in range possible right up there with GTLine. Keep the stock summers or an aggressive AS and you cab see same or LOWER range, YES LOWER. My prelim testing showed a .2mi.kw DROP in range compared to stock when going to a very aggressive all season in 20".

 

[KiaevCan]

I’ve watched a fair number of this chap’s YT videos and enjoy the content. Starting from time index 9:30 and culminating with a bold claim made at ~10:30, the range figures mentioned are particularly relevant to this thread.

If you need data, my GT-Line AWD w/ 20" rims will do about 250 miles at 60-70mph in 65-68°F temps on flat highways. It drops to 218 miles in mountainous terrain (60-75mph but 68-80°F as I go from ocean side to desert side in late spring temps). You can extrapolate that to your GT. Both were done in Eco mode except when merging, I'm in normal or sport).

300 miles is possible but only at city speeds (say under 40mph). EVs are super sensitive to driving style and honestly, you didn't buy a GT to toddle around like a Prius just to get 300 miles of range.

 

[Unobtanium]

If you need data, my GT-Line AWD w/ 20" rims will do about 250 miles at 60-70mph in 65-68°F temps on flat highways. It drops to 218 miles in mountainous terrain (60-75mph but 68-80°F as I go from ocean side to desert side in late spring temps). You can extrapolate that to your GT. Both were done in Eco mode except when merging, I'm in normal or sport).

300 miles is possible but only at city speeds (say under 40mph). EVs are super sensitive to driving style and honestly, you didn't buy a GT to toddle around like a Prius just to get 300 miles of range.

Exactly. If the world ends and you need to Book of Eli it, drive SLOW! The range will be far better. Speed murders range in an EV.

 

[Lamrith]

If you need data, my GT-Line AWD w/ 20" rims will do about 250 miles at 60-70mph in 65-68°F temps on flat highways. It drops to 218 miles in mountainous terrain (60-75mph but 68-80°F as I go from ocean side to desert side in late spring temps). You can extrapolate that to your GT. Both were done in Eco mode except when merging, I'm in normal or sport).

300 miles is possible but only at city speeds (say under 40mph). EVs are super sensitive to driving style and honestly, you didn't buy a GT to toddle around like a Prius just to get 300 miles of range.

None of those ranges are possible for a factory stock GT at all. though yes can try to extrapolate off them. I have tried side by side testing with a GTLine, absolutely identical settings on everything from HVAC to regen, cruise, etc. GT was a solid .7mi/kw lower efficiency, which calculates out to 54mi less range and matches factory estimates. The GTL's numbers lined up to what my GTL was doing on the same path in testing before I traded it in. Any higher load (hills, higher speeds) will most likely only make the gap widen even in Eco mode, due to the much larger rear motor and higher weight.

Bold emphasis is mine.. Anyone that bought a GT did so KNOWING UP FRONT IT HAD LOWER RANGE! Anyone not happy about it only has themselves to blame, it was very clearly stated by Kia and repeated ad-nauseum in every Youtube video about the car prior to it ever being delivered to a customer.

A few people on here, myself included have been playing with changing tires/wheels, but weather and geographical differences make getting any clear results difficult at this time. Detailed and verifiable testing may have to wait until spring/summer when weather is much more stable. One person changed tires&wheels and gained .4-.5mi/kw over his previous avg. I changed mine out for Allseasons and lost .2mi./kw in a 60mph back to back test. TIRE MODEL/RR looks to be playing a significant part in efficiency, more than any other factors like wheel weight or Aero combined.

 

[npgeorgeuw]

Im picking the car up next week. More data the merrier.
View attachment 11931

Awesome! Can’t wait for you to get it. I love mine, zero complaints and at least now I can outrun my wife’s Mach E GT PE. Lol.

 

[FSPastor]

You asked for feedback. You got it.

Exhibit A: You in your car with nearly 500 miles on it and the plastic still all over it to "keep it nice":
View attachment 11903

Exhibit B: You charging your battery to 100% and getting offended when someone tells you this is not the best/maybe a different EV would be better if you cannot maintain this one to your previously depicted standards. 100% charge is literally the worst thing you can do to the battery except once a month or so, per Kia's directions. Yet you INSIST on it. You always do it. So I am forced to presume that this EV does NOT have adequate range for you, because noone who spends $75k on a car and has any sense would purposefully treat it this way unless it were necessary...hence my suggestion that maybe this one isn't a good fit? It's like a guy towing a big boat with a Miata. He may love that Miata, but this is not for its good, lol!



View attachment 11902

BU-808: How to Prolong Lithium-based Batteries

BU meta description needed...

batteryuniversity.com

As to my GT, it's not my fault Kia keeps delaying delivery, lol!

question, unobtanium: this graph you share on ideal charging for best battery life and maximum preservation of state of charge…is it for the right battery chemistry we are talking about for Kia EV6 GT batteries? isnt it going to be different from lithium ion batteries?

 

[Unobtanium]

question, unobtanium: this graph you share on ideal charging for best battery life and maximum preservation of state of charge…is it for the right battery chemistry we are talking about for Kia EV6 GT batteries? isnt it going to be different from lithium ion batteries?

The GT, I believe, is on 8/1/1 chemistry. All of the chemistries are pretty similar regarding this. With the exception of LFP.

 

[SNOWnCARBON_EV6GT]

None of those ranges are possible for a factory stock GT at all. though yes can try to extrapolate off them. I have tried side by side testing with a GTLine, absolutely identical settings on everything from HVAC to regen, cruise, etc. GT was a solid .7mi/kw lower efficiency, which calculates out to 54mi less range and matches factory estimates. The GTL's numbers lined up to what my GTL was doing on the same path in testing before I traded it in. Any higher load (hills, higher speeds) will most likely only make the gap widen even in Eco mode, due to the much larger rear motor and higher weight.

Bold emphasis is mine.. Anyone that bought a GT did so KNOWING UP FRONT IT HAD LOWER RANGE! Anyone not happy about it only has themselves to blame, it was very clearly stated by Kia and repeated ad-nauseum in every Youtube video about the car prior to it ever being delivered to a customer.

A few people on here, myself included have been playing with changing tires/wheels, but weather and geographical differences make getting any clear results difficult at this time. Detailed and verifiable testing may have to wait until spring/summer when weather is much more stable. One person changed tires&wheels and gained .4-.5mi/kw over his previous avg. I changed mine out for Allseasons and lost .2mi./kw in a 60mph back to back test. TIRE MODEL/RR looks to be playing a significant part in efficiency, more than any other factors like wheel weight or Aero combined.

Temperature is very much a feature of importance in this equation as well and sort of the egg before the chicken when it comes to tyre choice, innit? For example, I was seeing as poor as 1.7mi/kWh when it was 0° F here, but efficiency has now rallied to 2.2 mi/kWh, with temps into the mid-40s, ceteris paribus. That said, I think I was and will again achieve even higher efficiency on the OEM summers, as I’ve not seen my personal best of 2.9mi/kwH (logged when temps were the same as they are now) since swapping into my Pirelli Scorpion 255/R4021 winter tyres.

 

[Lamrith]

Tire pressures were set to match, that is an easy and simple controllable variable and the #1 thing to check in any range testing.

Yes your summers likely will show better mileage, you went for a full winter tire, those are about winter traction, not RR or summer performance. The tread and compound will always be working to grip the road. 40* is too cold for the stock F1's, been there done that, at that point they are hard and not showing full grip and thus not full rolling resistance, great for lowering rr, but tterrible for grip and safety and bad for the tire. You may see them actually drop back below 2.9 once the temps are up over 60* and higher and they soften up and start working as designed. That is the point of my testing and why I brought it up to everyone. TIRE choice is likely the biggest single thing we can do to improve a GT's range while managing and maintaining solid performance. Your winters lost range but gained winter grip and stability, a set of Pilot sport AS4's may gain most of the grip and cold weather abilities but also lower RR at the loss of overall total grip in summer versus stock, The GMAX AS-05 might do similar but have higher RR, the DWS06+ may meet AS4 grip and abilities but with even less rr...

 

[Unobtanium]

None of those ranges are possible for a factory stock GT at all. though yes can try to extrapolate off them. I have tried side by side testing with a GTLine, absolutely identical settings on everything from HVAC to regen, cruise, etc. GT was a solid .7mi/kw lower efficiency, which calculates out to 54mi less range and matches factory estimates. The GTL's numbers lined up to what my GTL was doing on the same path in testing before I traded it in. Any higher load (hills, higher speeds) will most likely only make the gap widen even in Eco mode, due to the much larger rear motor and higher weight.

Bold emphasis is mine.. Anyone that bought a GT did so KNOWING UP FRONT IT HAD LOWER RANGE! Anyone not happy about it only has themselves to blame, it was very clearly stated by Kia and repeated ad-nauseum in every Youtube video about the car prior to it ever being delivered to a customer.

A few people on here, myself included have been playing with changing tires/wheels, but weather and geographical differences make getting any clear results difficult at this time. Detailed and verifiable testing may have to wait until spring/summer when weather is much more stable. One person changed tires&wheels and gained .4-.5mi/kw over his previous avg. I changed mine out for Allseasons and lost .2mi./kw in a 60mph back to back test. TIRE MODEL/RR looks to be playing a significant part in efficiency, more than any other factors like wheel weight or Aero combined.

Kia under-rated the car compared to pretty much everything out there. It came within 8% of it's 206mi range in C&D's 75mph highway test. Nothing else comes close. The Model Y Performance missed its rated range by 25% in the same test.

 

[Unobtanium]

Tire pressures were set to match, that is an easy and simple controllable variable and the #1 thing to check in any range testing.

Yes your summers likely will show better mileage, you went for a full winter tire, those are about winter traction, not RR or summer performance. The tread and compound will always be working to grip the road. 40* is too cold for the stock F1's, been there done that, at that point they are hard and not showing full grip and thus not full rolling resistance, great for lowering rr, but tterrible for grip and safety and bad for the tire. You may see them actually drop back below 2.9 once the temps are up over 60* and higher and they soften up and start working as designed. That is the point of my testing and why I brought it up to everyone. TIRE choice is likely the biggest single thing we can do to improve a GT's range while managing and maintaining solid performance. Your winters lost range but gained winter grip and stability, a set of Pilot sport AS4's may gain most of the grip and cold weather abilities but also lower RR at the loss of overall total grip in summer versus stock, The GMAX AS-05 might do similar but have higher RR, the DWS06+ may meet AS4 grip and abilities but with even less rr...

Wildly, the Michelin X ICE 3 has less RR than the PS4 and PSAS4 by a notable margin. If and when the DWS06+ comes in OEM sizes, I may try them.

 

[mattun]

Anecdotal, but I think it relates to this thread at this stage. Family friend runs a tire shop. Father-in-law trusts them completely. Bring my old Volt in and get Coopers because "they're great!". Overnight, my range drops 20%. Apparently Coopers at the time were notorious for being the crappiest EV tires on the market. Research what exact brand and model tires work with any EV if range is a factor, it's pretty dramatic if you just get the ones the tire guy looks up on his computer that fit. They simply don't know. Last week another shop wanted to install a standard 12V battery instead of an AGM battery because "it fits". EVs simply have different requirement and you need to have minimal knowledge or they're going to install the wrong things.

 

[Unobtanium]

Anecdotal, but I think it relates to this thread at this stage. Family friend runs a tire shop. Father-in-law trusts them completely. Bring my old Volt in and get Coopers because "they're great!". Overnight, my range drops 20%. Apparently Coopers at the time were notorious for being the crappiest EV tires on the market. Research what exact brand and model tires work with any EV if range is a factor, it's pretty dramatic if you just get the ones the tire guy looks up on his computer that fit. They simply don't know. Last week another shop wanted to install a standard 12V battery instead of an AGM battery because "it fits". EVs simply have different requirement and you need to have minimal knowledge or they're going to install the wrong things.

That is a big reason I like my PSAS4's. When I put them on my C40 (Replacing VOL ELECT OEM Pirelli's), I saw no notable change in range.

 

[Lamrith]

Anecdotal, but I think it relates to this thread at this stage. Family friend runs a tire shop. Father-in-law trusts them completely. Bring my old Volt in and get Coopers because "they're great!". Overnight, my range drops 20%. Apparently Coopers at the time were notorious for being the crappiest EV tires on the market. Research what exact brand and model tires work with any EV if range is a factor, it's pretty dramatic if you just get the ones the tire guy looks up on his computer that fit. They simply don't know. Last week another shop wanted to install a standard 12V battery instead of an AGM battery because "it fits". EVs simply have different requirement and you need to have minimal knowledge or they're going to install the wrong things.

The tough part is not many places share RR or efficiency stats on tires, it makes it tough to now how a tire will perform range wise.

 

[npgeorgeuw]

Temperature is very much a feature of importance in this equation as well and sort of the egg before the chicken when it comes to tyre choice, innit? For example, I was seeing as poor as 1.7mi/kWh when it was 0° F here, but efficiency has now rallied to 2.2 mi/kWh, with temps into the mid-40s, ceteris paribus. That said, I think I was and will again achieve even higher efficiency on the OEM summers, as I’ve not seen my personal best of 2.9mi/kwH (logged when temps were the same as they are now) since swapping into my Pirelli Scorpion 255/R4021 winter tyres.

Really, I wouldn't put much stock in any kind of efficiencies measured when it's that cold. The HVAC alone can cause large amounts of variation. Ideally, no HVAC running, dry pavement and controlled temperatures (aka) the same temps between runs or variables.

 

[Unobtanium]

So far, I've been very pleased. I predicted the GT would be slightly more efficient than my C40 based on what I was seeing, and was correct. I drove my C40 home on many of the same highways as I did my EV6 GT, and it averaged @37kwh/100mi. Converted, my GT averaged @36kwh/100mi (2.9mi/kwh). Everything about the car is excellent, but the efficiency is the real easter-egg. I've been driving it in MyDrive with SPORT+ as the setting for the motors, and in 30-40*f weather, without preconditioning, I am averaging 2.5mi/kwh (40kwh/100mi), whereas again, my C40 was typically in the low 40's.