Gravity 75 mph Range

[hmp10]

I can’t convince myself to love big cars for anything other than snowy or rough road road trips.

I hear you on the rest.

It's probably not a decision to be made until after driving the Gravity for a while. But that means foregoing the convenience and sales tax savings of the trade-in program.

In the middle of all this, though, I've got my eye on something else. If Lucid really were to license its powertrain to Genesis for its convertible concept (and, even better, give Genesis some help with chassis tuning), we might add that to the stable to scratch our more sporting itch.

Damn, ain't nothing ever easy?

 

[Knucklehead]

They have tested the non SUV iON evo and they did do well in dry and range but sucked in rain.

I have put 10,000 miles on the iON AS SUV tires on my Mach-e. I should probably go to Tire Rack and rate them. Maybe one day...

Anyway, rain performance is not that bad. For standing water and straight-line highway use, they are good. They handle water very well. If you are driving aggressively, they are more slippery than other tires. Not dangerously so, but the tires will lose grip earlier. However, I have not done stopping distance testing, and I expect they do better with that based on the tread design.

I would definitely buy these tires again, and I am excited they are on the Gravity. Other than wet traction, they are awesome. Really. Just change them out if you are going to the track.

But when you say 350 miles is still good for you, does that mean you would really use the battery's full capacity between stops?

You know, so much of this whole discussion would become moot if we had anything like the EV charging infrastructure that is beginning to mature in parts of Europe. We could just buy whatever EV we liked most and drive it the way we liked and only worry about how often and how long you needed to stop for a charge, not whether a working charger could be found or whether you'd have to wait an hour to get an empty stall.

I would use the entire range regularly, I think. The commute to my office is 145 miles. In my Mach-e, I am forced to charge while there. There have been times when I needed to go up for the day, and of course then I needed a DCFC stop. Usually I stay overnight and can find a L2 charger that gives me enough charge to get home. I really hate all that.

I just want to drive there and drive home without needing to worry about looking for a place to charge. Because, as you said, public charging sucks. I hate it.

Round trip that is 290 miles. However, sometimes I need to take side trips around the DC area. So extra margin is good. Also, I really don't want to arrive home at 0% SOC. And there is winter, when I know I will lose another 20% of my range.

350 miles should be enough to cover extra driving, and hopefully winter range reduction. Maybe not winter range reduction, but then I only have to worry about finding a place to charge in the winter. I can accept that.

 

[hmp10]

Aerodynamic drag is only part of the picture. If you put the drive trains of a Lucid, Tesla, BMW, etc., and had them move the same vehicle shell (same weight, drag, etc.) at the same speed in the same conditions, the Lucid drive train and battery efficiencies are (reportedly) significantly more efficient in their energy use for that same load. So there are a ton of factors to consider.

Yep, but I'm not worried about Lucid's efficiency compared to other brands. I'm thinking more in terms of how the Gravity's real-world range against its EPA rating will compare to our Air's at highway speeds where aerodynamic drag becomes the biggest factor.

 

[borski]

I have put 10,000 miles on the iON AS SUV tires on my Mach-e. I should probably go to Tire Rack and rate them. Maybe one day...

Anyway, rain performance is not that bad. For standing water and straight-line highway use, they are good. They handle water very well. If you are driving aggressively, they are more slippery than other tires. Not dangerously so, but the tires will lose grip earlier. However, I have not done stopping distance testing, and I expect they do better with that based on the tread design.

I would definitely buy these tires again, and I am excited they are on the Gravity. Other than wet traction, they are awesome. Really. Just change them out if you are going to the track.



I would use the entire range regularly, I think. The commute to my office is 145 miles. In my Mach-e, I am forced to charge while there. There have been times when I needed to go up for the day, and of course then I needed a DCFC stop. Usually I stay overnight and can find a L2 charger that gives me enough charge to get home. I really hate all that.

I just want to drive there and drive home without needing to worry about looking for a place to charge. Because, as you said, public charging sucks. I hate it.

Round trip that is 290 miles. However, sometimes I need to take side trips around the DC area. So extra margin is good. Also, I really don't want to arrive home at 0% SOC. And there is winter, when I know I will lose another 20% of my range.

350 miles should be enough to cover extra driving, and hopefully winter range reduction. Maybe not winter range reduction, but then I only have to worry about finding a place to charge in the winter. I can accept that.

Thank you for the review! Have you driven on the Michelin Primacy AS?

 

[hmp10]

Anyway, rain performance is not that bad. For standing water and straight-line highway use, they are good. They handle water very well. If you are driving aggressively, they are more slippery than other tires. Not dangerously so, but the tires will lose grip earlier. However, I have not done stopping distance testing, and I expect they do better with that based on the tread design.

Handling the wet when driving more aggressively and wet stopping distance are exactly the things I most worry about. Although TireRack did write that short blurb about the Hankooks, their website still lists them as "not yet rated", and none of the detailed graphs comparing them to other tires are posted.

Although TireRack shows no summer tires available in the sizes for the Gravity's 20/21" wheel package nor does the Pirelli website, I checked the Michelin website and found they have Pilot Sport EV summer tires in the necessary sizes (although the front and rear tires have slightly different revs per mile). So I'm noodling that as an option.

I can't find anything that says how closely front to rear revs/mi have to match on 4WD vehicles. Anyone got any idea?

 

[Knucklehead]

Thank you for the review! Have you driven on the Michelin Primacy AS?

Interestingly, those are the stock OEM tires on my Mach-e. I put 40,000 miles on those before replacing them with the iONs. They had a little more tread remaining, but I was looking for range improvement, so I replaced them a little early. I probably could have gotten another 5k out of them.

They are good tires. They are stickier than the iONs, and they have better wet traction. However, they are not performance-oriented tires. If you want to really drive aggressively, you need stickier tires. They slide too much for that kind of driving, IMO.

They are fun though. The iONs slide a little more, but again that is fun. Pushing the tires to the limit and sliding around an entrance ramp does not get old. LOL.

 

[Knucklehead]

Handling the wet when driving more aggressively and wet stopping distance are exactly the things I most worry about. Although TireRack did write that short blurb about the Hankooks, their website still lists them as "not yet rated", and none of the detailed graphs comparing them to other tires are posted.

Although TireRack shows no summer tires available in the sizes for the Gravity's 20/21" wheel package nor does the Pirelli website, I checked the Michelin website and found they have Pilot Sport EV summer tires in the necessary sizes (although the front and rear tires have slightly different revs per mile). So I'm noodling that as an option.

I can't find anything that says how closely front to rear revs/mi have to match on 4WD vehicles. Anyone got any idea?

If you are driving just for fun, they are good. If you are driving aggressively and competing against the clock, or others, they are not appropriate.

 

[borski]

Interestingly, those are the stock OEM tires on my Mach-e. I put 40,000 miles on those before replacing them with the iONs. They had a little more tread remaining, but I was looking for range improvement, so I replaced them a little early. I probably could have gotten another 5k out of them.

They are good tires. They are stickier than the iONs, and they have better wet traction. However, they are not performance-oriented tires. If you want to really drive aggressively, you need stickier tires. They slide too much for that kind of driving, IMO.

They are fun though. The iONs slide a little more, but again that is fun. Pushing the tires to the limit and sliding around an entrance ramp does not get old. LOL.

The hankooks obviously have more range, but how would you compare the actual driving capabilities in terms of performance?

Perhaps I’ll ask it this way: if summer tires are a 10 for dry handling and a 10 for wet handling (they’re not, but just for the sake of argument) - how would you rate the hankooks and primacy for dry handling and wet handling?

 

[Knucklehead]

The hankooks obviously have more range, but how would you compare the actual driving capabilities in terms of performance?

Perhaps I’ll ask it this way: if summer tires are a 10 for dry handling and a 10 for wet handling (they’re not, but just for the sake of argument) - how would you rate the hankooks and primacy for dry handling and wet handling?

The Pirelli P Zero Elect is one of the best BEV specific performance tires available. If you want excellent wet and dry performance, that is the tire to get. Choose the 23" wheel option. Of course, cold weather makes that tire dangerous.

Personally, I prefer AS tires since we can get freezing temps frequently here in the Fall, Winter and early Spring. and I don't want to switch tires every six months.

So compared to the P Zero Elect, which we will subjectively rate a 10, I would put the Primacy at an 8 and the Hankook at a 7 (for both wet and dry handling). Very subjective, of course. and that is just rating performance, not efficiency or how quiet they are. I doubt there is a tire that is quieter than the Hankook iONs. And definitely the iON is the most efficient of the three tires.

The P Zero Elect is a low rolling resistance tire also, and there are tires that perform better but they have worse rolling resistance.

 

[borski]

The Pirelli P Zero Elect is one of the best BEV specific performance tires available. If you want excellent wet and dry performance, that is the tire to get. Choose the 23" wheel option. Of course, cold weather makes that tire dangerous.

Personally, I prefer AS tires since we can get freezing temps frequently here in the Fall, Winter and early Spring. and I don't want to switch tires every six months.

So compared to the P Zero Elect, which we will subjectively rate a 10, I would put the Primacy at an 8 and the Hankook at a 7 (for both wet and dry handling). Very subjective, of course. and that is just rating performance, not efficiency or how quiet they are. I doubt there is a tire that is quieter than the Hankook iONs. And definitely the iON is the most efficient of the three tires.

The P Zero Elect is a low rolling resistance tire also, and there are tires that perform better but they have worse rolling resistance.

Perfect, that’s exactly what I was asking for. I have the Pirellis P Zero Elect on my DE, obviously, so that’s what I was hoping to compare it to.

I guess I’m trying to decide if I’ll regret the Hankooks, but I don’t think so, since this this isn’t the car we plan on taking to the track

 

[Knucklehead]

Perfect, that’s exactly what I was asking for. I have the Pirellis P Zero Elect on my DE, obviously, so that’s what I was hoping to compare it to.

I guess I’m trying to decide if I’ll regret the Hankooks, but I don’t think so, since this this isn’t the car we plan on taking to the track

For highway cruising, they are perfect.

 

[Knucklehead]

Thank you for the review! Have you driven on the Michelin Primacy AS?

Interestingly, those are the stock OEM tires on my Mach-e. I put 40,000 miles on those before replacing them with the iONs. They had a little more tread remaining, but I was looking for range improvement, so I replaced them a little early. I probably could have gotten another 5k out of them.

They are good tires. They are stickier than the iONs, and they have better wet traction. However, they are not performance-oriented tires. If you want to really drive aggressively, you need stickier tires. They slide too much for that kind of driving, IMO.

They are fun though. The iONs slide a little more, but again that is fun. Pushing the tires to the limit and sliding around an entrance ramp does not get old. LOL.

The Pirelli P Zero Elect is one of the best BEV specific performance tires available. If you want excellent wet and dry performance, that is the tire to get. Choose the 23" wheel option. Of course, cold weather makes that tire dangerous.

Personally, I prefer AS tires since we can get freezing temps frequently here in the Fall, Winter and early Spring. and I don't want to switch tires every six months.

So compared to the P Zero Elect, which we will subjectively rate a 10, I would put the Primacy at an 8 and the Hankook at a 7 (for both wet and dry handling). Very subjective, of course. and that is just rating performance, not efficiency or how quiet they are. I doubt there is a tire that is quieter than the Hankook iONs. And definitely the iON is the most efficient of the three tires.

The P Zero Elect is a low rolling resistance tire also, and there are tires that perform better but they have worse rolling resistance.

For highway cruising, they are perfect.

@borski - I was wrong about the tires on my Mach-e. I was looking at my review of the iONs on a Mach-e forum I participate in, and discovered it was not the Primacy tires that were OEM. I am so sorry, because it makes my entire response almost irrelevant. Integrity is very important to me, I just realized my mistake this morning, and I wanted you (and everyone else following this) to know right away.

My opinion of the iONS remains the same, but the comparison I can make is with the Continental Cross Contact tires, which may or may not perform as well as the Primacy tires. I cannot provide an opinion of the Primacy tires. I have a friend who is really into tires, and he highly recommends the P Zeros, and he is only concerned with performance, so I know those are very good tires (from a performance perspective). I don't know anyone with experience with the Primacy tires.

Here is my full review of the iONs on the Mach-e forum. Not sure if a link to another forum is allowed, so if not, I will remove the link. It is not competitive with this one, so I think it should be OK.

https://www.macheforum.com/site/threads/increased-efficiency-with-255-45-20-hankook-ion-on-my-gt-updated-op.33940/

 

[hmp10]

. . . I just realized my mistake this morning . . . .

Welcome to the club, and thank you for being so conscientious.

 

[Electrified]

Fair enough. I guess I try to balance both; that’s why I wear Maui Jims.

Makaha's are my sport and riding glasses

 

[hydbob]

Can you take the Gravity to Mammoyh in the snow without chains using the hankook Ion tires? That's the real question for me.

 

[Elfin]

Can you take the Gravity to Mammoyh in the snow without chains using the hankook Ion tires? That's the real question for me.

If they are the AS (All Season) version you are not required to put in on chains in R1 and R2 chain control. You are still required to carry chains in all snow conditions and put them on in R3 chain control (I've only seen this once in town. They will shut down 395 before they require all vehicles to put on chains.)
There are also "evo" versions if the Hankook ion tires. These are summer tires and really shouldn't be used in temperatures below 40F though technically they are legal to use in snow with chains.

 

[Pragmatic]

The Hankook iON EVO AS has an M+S designation (if I'm reading the Discount Tire web site correctly). I believe this tire on a Gravity would cover R2 chain control as long as you carry chains or snow socks.

Discount Tire | Tires and Wheels for Sale | Online & In-Person

www.discounttire.com

 

[borski]

@borski - I was wrong about the tires on my Mach-e. I was looking at my review of the iONs on a Mach-e forum I participate in, and discovered it was not the Primacy tires that were OEM. I am so sorry, because it makes my entire response almost irrelevant. Integrity is very important to me, I just realized my mistake this morning, and I wanted you (and everyone else following this) to know right away.

My opinion of the iONS remains the same, but the comparison I can make is with the Continental Cross Contact tires, which may or may not perform as well as the Primacy tires. I cannot provide an opinion of the Primacy tires. I have a friend who is really into tires, and he highly recommends the P Zeros, and he is only concerned with performance, so I know those are very good tires (from a performance perspective). I don't know anyone with experience with the Primacy tires.

Here is my full review of the iONs on the Mach-e forum. Not sure if a link to another forum is allowed, so if not, I will remove the link. It is not competitive with this one, so I think it should be OK.

https://www.macheforum.com/site/threads/increased-efficiency-with-255-45-20-hankook-ion-on-my-gt-updated-op.33940/

Thank you for the clarification! No harm no foul, as I haven’t bought a Gravity yet.

The P Zeros are among the best tires I’ve ever driven on (which is why I haven’t removed the 21s from my car in ages).

My issue is that for an SUV, that’s the car we’d take to Tahoe in the winter, so I wouldn’t want Summer tires on them, if only for the temps alone.

So in a perfect world, I’d have two sets, but that’s such a pain I think I’ll just got for all seasons.

The wet performance of the Hankooks concerns me a bit, given that the point would be to take them to Tahoe which would be snowy.

Yes, I know the better plan would be snow tires, but I am so over changing tires twice a year, and I do still care about performance.

(Aside: links to relevant content are fine; we’re not elitist haha. I own more than one brand, and many others do too. It would be absurd to ban links to forums for other vehicles; we may learn stuff!)

 

[borski]

Makaha's are my sport and riding glasses

Onshore for everyday
Kaiwi Channel for sport

(Or whichever I haven’t misplaced the previous day, if I’m being honest haha)

 

[Knucklehead]

Can you take the Gravity to Mammoyh in the snow without chains using the hankook Ion tires? That's the real question for me.

I have not been able to drive them in the snow yet. Maybe this winter we will get some. My feeling is they won't be great, but certainly better than a summer tire. Can you make it up the mountain in them? Personally I would bring snow socks and be ready to put them on if needed.