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Loaner gets 240 plus miles with a 90%/standard charge

artsci

Sponsor
May 10, 2012
6,260
3,248
Timonium, Maryland
While my P85 is being serviced in Rockville, MD I have a loaner. Did a standard charge (90%) on it last night and found 242 miles of range in the morning. My P85 gets about 215 miles of range on a 90 percent charge and only gets 240 plus on a range charge.I've never seen anything close to that range on a standard charge. Whatever's in the loaner battery I want some:)
 

Zythryn

Model Y custom Warming Stripes wrap.
Mar 18, 2009
2,174
1,199
Minnesota
While my P85 is being serviced in Rockville, MD I have a loaner. Did a standard charge (90%) on it last night and found 242 miles of range in the morning. My P85 gets about 215 miles of range on a 90 percent charge and only gets 240 plus on a range charge.I've never seen anything close to that range on a standard charge. Whatever's in the loaner battery I want some:)

I doubt much of it is the battery.
More likely it is 19" vs 21" tires? Or a non performance loaner? Or even charging behavior differences?
 

Todd Burch

Voltage makes me tingle.
Nov 3, 2009
8,006
30,838
Smithfield, VA
Two possibilities here:

If it was an 85D, as mentioned that's a possible range at 90%.

If it was a RWD car, my P85 got 241 mi @ 90% when the battery was new. We've heard through the grapevine that Tesla can reset the range calculation algorithm on their loaner cars, and often does. If that was done, it's possible you were seeing the range as a fresh estimate, before the algorithm inevitably drifts downward with the value.
 

artsci

Sponsor
May 10, 2012
6,260
3,248
Timonium, Maryland
Two possibilities here:

If it was an 85D, as mentioned that's a possible range at 90%.

If it was a RWD car, my P85 got 241 mi @ 90% when the battery was new. We've heard through the grapevine that Tesla can reset the range calculation algorithm on their loaner cars, and often does. If that was done, it's possible you were seeing the range as a fresh estimate, before the algorithm inevitably drifts downward with the value.

That's very likely what's happening. It's a P85 not a D and it has about 13,000 miles on it. It's probably max charged frequently and run down to low levels, which I understand makes the calculation better.
 

mknox

Well-Known Member
Aug 7, 2012
10,103
1,868
Toronto, ON
While my P85 is being serviced in Rockville, MD I have a loaner. Did a standard charge (90%) on it last night and found 242 miles of range in the morning. My P85 gets about 215 miles of range on a 90 percent charge and only gets 240 plus on a range charge.I've never seen anything close to that range on a standard charge. Whatever's in the loaner battery I want some:)

When my S85 was new, I got 265 on the nose @100% and about 240 @90%. With 33 months and 62,000 miles, I am seeing numbers very close to yours (245/217 miles)
 

AmpedRealtor

Well-Known Member
Jun 30, 2013
6,396
3,366
Phoenix, AZ
The service center resets the algo everytime a loaner is used. It will always show the highest rated mileage.

^^ This is what my service center does, according to one of the service advisors. They would not share their method with me nor would they reset my car's algorithm like they do the loaners. Oh well.
 

GasKilla

No Gas Know Peace
Nov 11, 2015
659
261
Los Angeles, CA
That's weird why would not they share the method to reset car's algorithm...:confused:
If the algorithm is based on your driving habits having owners reset their algorithm all the time would probably result in some people getting stranded, so I can see why they wouldn't give out that information.
 

AmpedRealtor

Well-Known Member
Jun 30, 2013
6,396
3,366
Phoenix, AZ
That's weird why would not they share the method to reset car's algorithm...:confused:

Maybe because they don't want someone running out of charge thinking they had 265 miles when they really had 255 miles. I doubt anyone drives a loaner that far. I've tried pulling fuses to the MCU and BMS, that did not change anything. I take what I hear with a grain of salt, but if this is true, it seems like a closely guarded secret.
 

CHG-ON

Still in love after all these miles
Jun 24, 2014
3,079
636
Santa Cruz Mountains, USA
Artsci,

I am much more concerned that your range is so low. That's an awfully big loss. Have you queried Tesla on this? My P85+ gets 232 at 90%. 236 when new.

While my P85 is being serviced in Rockville, MD I have a loaner. Did a standard charge (90%) on it last night and found 242 miles of range in the morning. My P85 gets about 215 miles of range on a 90 percent charge and only gets 240 plus on a range charge.I've never seen anything close to that range on a standard charge. Whatever's in the loaner battery I want some:)
 

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