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P85D efficiency is terrible
- Thread starter anthonyj
- Start date
mkspeedr
Member
So the lighter slower version is more efficient than your performance heavier version...yea...that is strange...
Here is my data for reference. Long term normal driving conditions I average 350 wh/mile in my P85D in Southern California. I had a 75D loaner for a while and averaged 290.
Well, the range of the 75D is 240mi and P85D is 253mi. I only had to charge the 75D once in a week yet the P85D I have to charge 3x a week for the same driving
I had a P85D for 4 years. In middling summer temps I could fairly easily get rated range on the highway at 65ish MPH. That's around 300 wh/mile for that car. Turning on range mode helps a bit I think.
Cold weather, 21 inch tires, a heavy foot, AC, etc... will all eat into the range, but that's just normal and the case with all Teslas. My current 100D is a little more efficient, I would say.
BrokerDon
Active Member
Same here: I've averaged 350 wh/mile over 46,000 miles on Ludicrous 2015 P85D with 21" Michelin Pilot Super Sport tires on Arachnid rims. The performance is still stunning.
Had a 75D loaner for a few days and also saw ~ 300 wh/mile. Big difference in performance... which explains the lower wh/mile.
No surprise.
Your 400 wh/mile is almost assuredly from your tires/rims, driving style, types of driving and weather conditions.
+1 what @sandpiper and @BrokerDon said. I never see over 400Wh/mile except when really trying to show off. 350Wh/mile is easy even with spirited driving. Autopilot at 65-70mph 320Wh/mile in nice weather.
Check your tire pressures. I keep mine at 45psi.
Check your tire pressures. I keep mine at 45psi.
BrokerDon
Active Member
One other thought...
Even at 400 Wh/mile our 93 MPGe P85D's with are still MUCH more efficient than our 50 MPG SLUG bait S_L_O_W 2012 Prius... which has been almost completely abandoned in our driveway since our P85D arrived.
Fuel Economy of the 2015 Tesla Model S AWD - P85D
Even at 400 Wh/mile our 93 MPGe P85D's with are still MUCH more efficient than our 50 MPG SLUG bait S_L_O_W 2012 Prius... which has been almost completely abandoned in our driveway since our P85D arrived.
Fuel Economy of the 2015 Tesla Model S AWD - P85D
BrokerDon
Active Member
Well heck let's get the whole picture:
- Tires ? (size, brand, and PSI)
- Wheels ? (size, width)
- Ambient air temps ?
- Flat or Hilly Route ?
- Freeway or Stop 'n Go City Driving ?
- Cargo ? (What's in your frunk, trunk, basement?)
- Wind ?
- Windows closed ?
- Sunroof closed ?
- Rain ?
- Snow ?
- Pavement ? (asphalt? concrete? grooved? gravel? dirt?)
- Regen ON ? Standard or Low? (had a buddy with a Model X who turned Regen off because his kids complained they didn't like it... then asked why his brake pads needed replacing so fast (he lives in the hills)... Duh
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BlueOvalFan
Member
When travel today at 65mph; on flat ground, no wind, no ac, windows up and 78F I was pulling soured 340wh/m
Grizz
Member
I have a P85D with 21" turbines, my lifetime average is 365 Wh/mile. For short trips (<5 miles), I definitely see a drop in efficiency (400+ Wh/mile)... but I assume that has to do with start up battery conditioning.
Something is wrong with your alignment. My P85DL typical efficiency is 255 to 280 wh/mile on my 260 mile round trip commute in the summer. Closer to 300 in the winter. The 312 average happened to reflect a ton of snow driving during the ski season plus the usual 350 tooling around town on shorter trips.
