2400 mile road trip results - 2017+ Chrysler Pacifica Minivan Forums
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post #1 of 9 (permalink) Old 06-11-2019, 03:26 PM Thread Starter
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2400 mile road trip results

I just got back from a road trip--Nashville to Lubbock and back via Oklahoma City. I thought I'd post my mpg. I started with a full charge, and I was only able to charge once. One motel we stayed at had a handy 110V outlet, and they agreed to let me charge overnight.

Total miles: 2393.4
Total gasoline consumed: 81.5 gallons
Overall mpg: 29.4

The trip odometer reported 28.6 mpg. Also, the trip odometer reported 248.7 electric miles. It's obviously reporting electric miles traveled in charge-sustaining mode since the total mileage in charge-depleting mode would be around 70.

None of this is new news, but I thought I'd post in case anyone might be interested in how the vehicle performs in charge-sustaining mode.
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post #2 of 9 (permalink) Old 06-11-2019, 05:36 PM
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Thanks for visiting our city. Did you have time to check out any of the Buddy Holly things since you came from such a musically inclined city? Back to the original subject, did you drive 75 and 80 on the trip? 29.4 is very good for such a large comfortable vehicle!
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post #3 of 9 (permalink) Old 06-11-2019, 08:53 PM
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Originally Posted by fuelscience View Post
I just got back from a road trip--Nashville to Lubbock and back via Oklahoma City. I thought I'd post my mpg. I started with a full charge, and I was only able to charge once. One motel we stayed at had a handy 110V outlet, and they agreed to let me charge overnight.

Total miles: 2393.4
Total gasoline consumed: 81.5 gallons
Overall mpg: 29.4

The trip odometer reported 28.6 mpg. Also, the trip odometer reported 248.7 electric miles. It's obviously reporting electric miles traveled in charge-sustaining mode since the total mileage in charge-depleting mode would be around 70.

None of this is new news, but I thought I'd post in case anyone might be interested in how the vehicle performs in charge-sustaining mode.
My calculation says 29.367 MPG. LOL!


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post #4 of 9 (permalink) Old 06-12-2019, 12:03 PM
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None of this is new news, but I thought I'd post in case anyone might be interested in how the vehicle performs in charge-sustaining mode.
Our Pacifica Hybrids do not have a charge-sustaining mode or else it would have an EV/HV button. That's one of the things I miss most from owning another PHEV.


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post #5 of 9 (permalink) Old 06-12-2019, 02:59 PM Thread Starter
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Originally Posted by Voltdriver&PacHylurker View Post
Thanks for visiting our city. Did you have time to check out any of the Buddy Holly things since you came from such a musically inclined city? Back to the original subject, did you drive 75 and 80 on the trip? 29.4 is very good for such a large comfortable vehicle!
I enjoyed Lubbock, but between a conference and relatives in the area I didn't make it to the Buddy Holly sites. I did enjoy the 75 mph speed limits on two-lane roads!

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post #6 of 9 (permalink) Old 06-12-2019, 03:11 PM Thread Starter
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Our Pacifica Hybrids do not have a charge-sustaining mode or else it would have an EV/HV button. That's one of the things I miss most from owning another PHEV.
I would beg to differ. PHEVs are always operating in either a charge-depleting mode or a charge-sustaining mode. Whenever you're operating a hybrid and not depleting the battery, it's in charge-sustaining mode. So a Prius always operates in charge-sustaining mode. On vehicles like the Chevy Volt (which I used to own), one can force the car into charge-sustaining mode before the battery is fully depleted. With the Pacifica, you operate in charge-depleting mode until the battery is discharged to the level Chrysler has deemed appropriate, and then the vehicle switches to charge-sustaining mode. It would be nice if one could choose to switch to charge-sustaining mode before the battery has depleted, but Chrysler chose not to let us make that decision.
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post #7 of 9 (permalink) Old 06-12-2019, 03:25 PM
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I have a similar experience. The hybrid mode MPG meter is close to the manual calculations, and the advertised 33MPG is achievable only when driving slower than the usual Interstate speeds.
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post #8 of 9 (permalink) Old 06-13-2019, 11:12 PM
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Originally Posted by fuelscience View Post
I just got back from a road trip--Nashville to Lubbock and back via Oklahoma City. I thought I'd post my mpg. I started with a full charge, and I was only able to charge once. One motel we stayed at had a handy 110V outlet, and they agreed to let me charge overnight.

Total miles: 2393.4
Total gasoline consumed: 81.5 gallons
Overall mpg: 29.4

The trip odometer reported 28.6 mpg. Also, the trip odometer reported 248.7 electric miles. It's obviously reporting electric miles traveled in charge-sustaining mode since the total mileage in charge-depleting mode would be around 70.

None of this is new news, but I thought I'd post in case anyone might be interested in how the vehicle performs in charge-sustaining mode.
I got very similar results, as I recall, from our December trip down to Florida. I think I got over 30 for one leg, but then under 28 for another. I also remember the car's overall mpg showed a little bit lower mpg than my calculated... so similar to what you are seeing.

Thanks for sharing.

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post #9 of 9 (permalink) Old 06-14-2019, 10:08 AM
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I would beg to differ. PHEVs are always operating in either a charge-depleting mode or a charge-sustaining mode. Whenever you're operating a hybrid and not depleting the battery, it's in charge-sustaining mode. So a Prius always operates in charge-sustaining mode. On vehicles like the Chevy Volt (which I used to own), one can force the car into charge-sustaining mode before the battery is fully depleted. With the Pacifica, you operate in charge-depleting mode until the battery is discharged to the level Chrysler has deemed appropriate, and then the vehicle switches to charge-sustaining mode. It would be nice if one could choose to switch to charge-sustaining mode before the battery has depleted, but Chrysler chose not to let us make that decision.
Driving my Volt from Lubbock to Fort Worth using hold mode I get 42 to 44 mpg at 75 mph in a car that's rated at 38 mpg. Without hold mode at 75 mph I get 30 to 35. From my house to the highway I run in normal mode accelerating up to 59 mph on electric. All my stops and starts are in normal mode. I run the last 40 miles in normal.

I really want to see the PacHy add hold mode. I think I could get 33 mpg consistently and it would encourage me to buy one.
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