20-ish mile range difference between 5 seat and 7 seat Gravity?

[DrZorro]

Based on the newly posted range specs for different Gravity configurations, I felt like it's a little odd that going from 5 to 7 seats has a range hit of 21 miles with the larger wheels...whereas there is apparently NO range difference between the larger of the 22" and 23" wheel options. This info is also now on the configurator.

I was under the impression that the 2 extra seats in the back don't actually weigh that much. Do they do the range estimate taking into account the seats + the weight of 2 additional passengers?

Posted range in various configurations:

- 450 mi: 20"/21", 5-Passenger
- 437 mi: 20"/21", 7-Passenger
- 407 mi: 5-Passenger, 21"/22" or 22"/23"
- 386 mi: 7-Passenger, 21"/22" or 22"/23"

https://twitter.com/x/status/1869427044532322628

 

[Bobby]

Based on the newly posted range specs for different Gravity configurations, I felt like it's a little odd that going from 5 to 7 seats has a range hit of 21 miles with the larger wheels...whereas there is apparently NO range difference between the larger of the 22" and 23" wheel options. This info is also now on the configurator.

I was under the impression that the 2 extra seats in the back don't actually weigh that much. Do they do the range estimate taking into account the seats + the weight of 2 additional passengers?

Posted range in various configurations:

- 450 mi: 20"/21", 5-Passenger
- 437 mi: 20"/21", 7-Passenger
- 407 mi: 5-Passenger, 21"/22" or 22"/23"
- 386 mi: 7-Passenger, 21"/22" or 22"/23"

https://twitter.com/x/status/1869427044532322628

Remember, the range difference has nothing to do with the size of the wheels. It has to do with the type of tires. If they have a larger contact patch or made of a stickier material, they create a little bit more resistance and therefore exact a range penalty.

 

[Adnillien]

Something is fishy here since the 22/23 are summer tires and 21/22 along with 20/21 are all season.

 

[Neurio]

Something is fishy here since the 22/23 are summer tires and 21/22 along with 20/21 are all season.

Same tire widths too. Maybe the Hankooks are more efficient than the Michelins?

 

[Adnillien]

Same tire widths too. Maybe the Hankooks are more efficient than the Michelins?

Kyle did say in his podcast that the Hankooks are the most efficient tire in the EV market so it could be.

 

[momo3605]

Something is fishy here since the 22/23 are summer tires and 21/22 along with 20/21 are all season.

My guess is Lucid is too lazy to pay for a separate rating for the middle wheel/tire package. This is consistent with the Air. The 20s have a far more efficient pilot sport EV along with wheels that have aero covers, compared to the 21s with stickier Pirellis, yet they have the same epa rating as well

The fishiest thing is why the 7 seater loses almost 20 miles of range lol

 

[hydbob]

My guess is Lucid is too lazy to pay for a separate rating for the middle wheel/tire package. This is consistent with the Air. The 20s have a far more efficient pilot sport EV along with wheels that have aero covers, compared to the 21s with stickier Pirellis, yet they have the same epa rating as well

The fishiest thing is why the 7 seater loses almost 20 miles of range lol

why? more weight = less range

 

[momo3605]

why? more weight = less range

Did you watch the OOS video? They’re pretty dinky looking, he was able to move them up and down with one hand. Do you really think 50lbs of seats in a 7000lbs truck is going to cut 5% of its range?

 

[hydbob]

Did you watch the OOS video? They’re pretty dinky looking, he was able to move them up and down with one hand. Do you really think 50lbs of seats in a 7000lbs truck is going to cut 5% of its range?

My guess is the seats are over 120lbs. It's not much compared to the car but it's still adds up with stop/start cycles

 

[flarbear]

The floor of the vehicle is different with the 7 seats. Look at the configurator and you will see seat tracks for the 2nd row appear/disappear as you select it. That's got to add a bit of weight.

 

[borski]

Hankooks are an EV tire. The Michelin Primacy Tour aren’t. I am pretty sure it’s that simple.

 

[Elfin]

The 3% range difference doesn't make sense unless it's measured with passengers in the seat and from what I can tell the EPA test is done without passengers.

 

[037]

My guess is the seats are over 120lbs. It's not much compared to the car but it's still adds up with stop/start cycles

One of the reviews put third row seats at 130lb, not sure if second row rails were included in that.

 

[Elfin]

One of the reviews put third row seats at 130lb, not sure if second row rails were included in that.

130lbs is less than 3% of 5000lbs. Unless the test is conducted on a vertical road I don't see how you get 3% range loss...

I think I may have figured it out. They test all the battery modules in the factory and put the best ones in the 5 seat variant to get the headline 450 miles of range.

 

[momo3605]

130lbs is less than 3% of 5000lbs. Unless the test is conducted on a vertical road I don't see how you get 3% range loss...

I think I may have figured it out. They test all the battery modules in the factory and put the best ones in the 5 seat variant to get the headline 450 miles of range.

Yea it’s strange…it’s even more negligible than you suggest. Gravity curb weight is over 6000lbs. So worst case 130/6000 is 2%.

 

[hmp10]

Hankooks are an EV tire. The Michelin Primacy Tour aren’t. I am pretty sure it’s that simple.

I've been looking at some reviews of the Hankooks. Even among EV tires, they seem to have extraordinary range. However, they are pretty roundly criticized for subpar performance in the wet. So I'm wondering if there is something about the rubber compound and/or tread design that went too far in optimizing for range over wider driving conditions? And if Lucid went too far in trying to land a bit EPA number at the price of handling?

Given what rainy season can be like in south Florida, the Hankook tires are definitely off the table for us. However, we still like the look and sidewall height of the 20/21" wheels, so the search continues for a summer tire (or an all-season tire with better wet performance) that will fit that staggered wheel size. So far . . . zip.

 

[037]

I've been looking at some reviews of the Hankooks. Even among EV tires, they seem to have extraordinary range. However, they are pretty roundly criticized for subpar performance in the wet. So I'm wondering if there is something about the rubber compound and/or tread design that went too far in optimizing for range over wider driving conditions? And if Lucid went too far in trying to land a bit EPA number at the price of handling?

Given what rainy season can be like in south Florida, the Hankook tires are definitely off the table for us. However, we still like the look and sidewall height of the 20/21" wheels, so the search continues for a summer tire (or an all-season tire with better wet performance) that will fit that staggered wheel size. So far . . . zip.

TireRack has Vredestein options which are correct size and very highly rated, grand touring, tires. $1200

Same brand also has a winter tire which is probably what I will get to go with a new set of 22s which I will probably use with Michelin 4S tires in 265/40 and 285/40 size. Hopefully suspension tuning is not dependent on varying radius wheels too much.

 

[hmp10]

TireRack has Vredestein options which are correct size and very highly rated, grand touring, tires. $1200

Same brand also has a winter tire which is probably what I will get to go with a new set of 22s which I will probably use with Michelin 4S tires in 265/40 and 285/40 size. Hopefully suspension tuning is not dependent on varying radius wheels too much.

Yes, I saw the Vredesteins, and they did look promising as a Hankook all-season replacement. I was not precise enough in my post, though. I meant "zip" when it comes to high-performance summer tires for the 20/21" wheels.

 

[037]

Yes, I saw the Vredesteins, and they did look promising as a Hankook all-season replacement. I was not precise enough in my post, though. I meant "zip" when it comes to high-performance summer tires for the 20/21" wheels.

I did a bit research and high performance is a 22” deal with Michelin 4S 265/40 and 285/40, my plan.

 

[hmp10]

My all-time favorite tires were the Continental DW series and its successor, the DWS. They came as stock on our first Tesla with 19" wheels, and they were also the first replacement set I put on that car. They were superb in both dry and wet. Unfortunately, Continental eventually dropped the sizes for that car, and I started switching around. At one point I bought some Hankooks (don't remember the model) which weren't too far off the mark.

Continental has updated the DWS line with an "06 plus" but, sadly, it is not available in sizes that work for the Gravity's staggered wheel diameters. One of the staggered wheels will have a tire to fit, but the other wheel will not. If the Lucid wheel diameters weren't staggered, several more tire lines would fit. The problem is not the width differences standing alone or the diameter differences standing alone. It's both taken together that produces so many half-matches.

I get staggering the tire widths, but I wonder what the reason was for staggering the wheel diameters?