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Not Another "Efficiency" Data Question Thread - Trip A/B kWh used not the same

RivianRiverRat

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First Name
Greg
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Location
Chattanooga TN
Vehicles
2022 Rivian R1T
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Civil Engineer
I know this is exactly what everyone wants to read AGAIN but I would like the forums' insight on this.

Modified-shortened history:

Delivery on 12-26-2022
Drove about 100 miles a day for work so I accumulated some mileage quickly on the vehicle with an efficiency of 2.17 (IIRC because I don't have a pic of it but I do have a pic of the 30k mileage mark at 2.18 mi/kWh)
I needed new tires at 34,000+/- April of last year and getting new tires I thought I would start tracking the new efficiency numbers on the main screen and rotation intervals - so I started taking pics of the Trip A and Trip B

After a year I've noticed not so much an "efficiency problem" but maybe a computer problem. I have a SC visit scheduled for my rear camera so I added this "request" to the SC visit.

Here is my data - I am only using dates that I have pics of the screen and I know the number discrepancies are tenths and hundredths but ...........

Trip A screen mi/kWh is decreasing as Trip B slightly increases (I assume Trip B is correct for my recent use because I have been using Conserve Mode more travelling)
Trip A calculated mi/kWh does not compute as closely as Trip B
Trip A and Trip B mileage tracks correctly (delta mileage)
Trip A and Trip B kWh doesn't track - B shows a higher usage (delta kWh)
since I don't have a pic of the lifetime screen to produce a calculated mi/kWh prior to starting this with the new tires I can't speculate on the higher Trip A than Trip B calculated mi/kWh shown in the first two charts

Rivian R1T R1S Not Another "Efficiency" Data Question Thread - Trip A/B kWh used not the same RIVIAN EFFICIENCIES
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