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Old 05-23-2019, 05:48 PM   #1
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Gas mileage on first trip

We did our first trip in our new Forrester 2291S, and over 3500km we averaged 24.88 liters/100km or 9.45 miles per US Gallon.


What mileage do others get? The trip was through southern BC Canada so almost all mountainous terrain.


Thanks
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Old 05-23-2019, 07:44 PM   #2
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after 6000 miles...

...I get a predictable and consistent 9.6-9.7 MPG running 63-64 mph on the freeway with my 30ft. Forester (E450 chassis V10)

However, on those instances when our cat travels with us, I am told that I MUST run the generator and the house AC because apparently the CAT has told my wife that 75 degree heat and humidity levels above 50 percent are not acceptable.

This drops the MPG down to 9.1 MPG. The CAT doesn't seem to be at all concerned about needing to reimburse me for her portion of the fuel bill (I will update this post if that changes).
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Old 05-23-2019, 07:48 PM   #3
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IMHO calculating gas mileage for RVing is a fools errand.

Everyone already knows the numbers are awful, but we are going to go hit the road anyway, so it really makes no difference.
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Old 05-23-2019, 08:40 PM   #4
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The cat would be sol. What about the animals outside?
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Old 05-24-2019, 01:23 PM   #5
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Gas mileage

I have a 3011ds Forester and pulling a Honda CR-V. I get around 8.5.down to 7.
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Old 05-24-2019, 01:57 PM   #6
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Quote:
Originally Posted by Beachbourbon View Post
IMHO calculating gas mileage for RVing is a fools errand.

Everyone already knows the numbers are awful, but we are going to go hit the road anyway, so it really makes no difference.
I disagree, calculating MPG to find the best compromise between cruising speed and fuel economy is a very good idea because it can end up saving a bit of money. Saying it's going to be expensive doesn't mean it can't be made less expensive.

For example, the difference in fuel economy between 60MPH and 70MPH is substantial. If I cruise at 60MPH then I get roughly 50% better fuel economy than if I cruise at 70MPH (~9mpg vs ~14mpg).

At $2.80/gal and 500 miles per day...

70MPH = $156/day in fuel
60MPH = $100/day in fuel

That's a family dinner every day that is "free" just by slowing down.

500 miles @ 70MPH = 7h8m travel time
500 miles @ 60MPH = 8h20m travel time

So it takes me 1h12m longer to go 500 miles in a day, I think that's worth it. Basically paying myself $46.66/hr for that time because of the money saved in fuel.

Now, if getting somewhere sooner is more important than potentially saving a decent amount of money that's fine, but hardly a fool's errand.
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Old 05-24-2019, 02:07 PM   #7
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Fuel Consumption on a 2291 Forester.

Your consumption is good. Wind, speed, traffic conditions, and road conditions caused large variations on daily fuel consumption rates but over a 5 month trip across North America in 2018 driving a similar model Sunseeker, in 21,432 kms (13,395miles), I averaged just slightly less than 25L/100km
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Old 05-24-2019, 03:02 PM   #8
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Quote:
Originally Posted by DieselDrax View Post
I disagree, calculating MPG to find the best compromise between cruising speed and fuel economy is a very good idea because it can end up saving a bit of money. Saying it's going to be expensive doesn't mean it can't be made less expensive.

For example, the difference in fuel economy between 60MPH and 70MPH is substantial. If I cruise at 60MPH then I get roughly 50% better fuel economy than if I cruise at 70MPH (~9mpg vs ~14mpg).

At $2.80/gal and 500 miles per day...

70MPH = $156/day in fuel
60MPH = $100/day in fuel

That's a family dinner every day that is "free" just by slowing down.

500 miles @ 70MPH = 7h8m travel time
500 miles @ 60MPH = 8h20m travel time

So it takes me 1h12m longer to go 500 miles in a day, I think that's worth it. Basically paying myself $46.66/hr for that time because of the money saved in fuel.

Now, if getting somewhere sooner is more important than potentially saving a decent amount of money that's fine, but hardly a fool's errand.

Completely agree; well said and well illustrated.

I’ll like to add- the “slowing down to smell the roses” and the safety factor is priceless... the much less stress level is evidence...
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Old 05-24-2019, 04:46 PM   #9
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But do you have to divide the money you're paying yourself in fuel savings by the number of people in your RV? If you are traveling with 4 people, maybe you're only making minimum wage. Hahaha
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Old 05-24-2019, 05:29 PM   #10
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I have a Travel Trailer - 2017 Forest River Heritage Glen 272RL
Towed with a 2016 GMC Sierra 1500 SLE 4WD pick up truck.

Traveled mid April to 3rd week in May round trip Massachusetts to Georgia (2400 - 2500 miles) and average 9.8 - 10.2 MPG. Driving was mainly highways, so that would make a difference. Stayed awhile in Georgia.
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