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As previously quoted, many variables will control your mileage. What Honda posts on brochures and the like is based under ideal driving conditions. I've seen below 40 and above 50mpg. Honda doesn't offer mileage guarantees.
when I charge my Clarity PHEV I only have an electric range of EV 35-38 miles.

I sent a request to Honda corp and the local dealer two weeks ago asking for an explanation and haven't received a response.

Does anyone else have reduced EV range?
 

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Estimated range

The range you see when turning on the car is the estimated range. It is affected by how you've driven in the past and the weather. There was a software update that improves the estimate. From somewhere, I have this.... "The fix for our notoriously inflated HV range estimate is out and ready to be installed at your Honda dealer as of June 12.
This update is Service Bulletin SB 18-069 and is a software update that will not take long."
 

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Yes, my EV range is reducing from 47 down to 36-37 I am here in Cincinnati Ohio in the last few weeks the temperature is going down between 22-30 degree my estimate EV range have been effect by the weather temperature I expected this is the normal way to go in the winter I think the Honda dealer cannot do anything with it.
 

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Yes, we bought our Clarity in late summer and it charged to an estimated range as high as 53 miles at one point. Now that overnight temps are down in the 10-20 degree range here in Iowa the estimate has dropped to 35 after a full charge. Recent use has involved the heater (obviously) and also the heated seats, all of which I'm told will impact range, along with reduced battery capability in the cold. I'm hoping it doesn't go much below 35 this winter.
 

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I'm not sure whether this thread can be revived or there is a more relevant one, but my 2018 Clarity (with 55k miles) consistently charged to normal driving range (mid to upper 40s) until just over a month ago (January 2023) when full charge suddenly dropped to a disappointing, very consistent 32 or 33 miles. OBD said the battery capacity was 46Ah. Low enough, I guess, to explain the change but not low enough for Honda to replace the battery pack so I haven't taken it to a dealer. I just got back from a road trip of 800 miles with no charging, and on the first charge after getting home, it showed 69 miles! Battery reading is still 46Ah. I've gone to town and back a couple of times (less than 10 miles each time) and charging after each trip has resulted in 65+ miles EV. Maybe I need to drive it down to zero and then see what a charge produces, but does anyone have an explanation for this???
 
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