Americas What is your petrol US gal mpg?

nuclearbeef

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• Jan 24, 2024

• #81

3rd and 4th tanks...

actual calculated mpg/ onboard computer
1) 13.8/ 16.6
2) 14.1/ 16.1
3) 13.4/ 15.7
4) 14.3/ 16.7

Adding 5th
13.1
Mostly highway. Forgot to note computer MPG.

 

Kevin Mokracek

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• Jan 24, 2024

• #82

I have typically been averaging 17mpg on longer trips with one trip averaging just under 19mpg on a trip from LA to Santa Barbara and back.

 

Chadd7

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• Jan 24, 2024

• #83

nuclearbeef said:

3rd and 4th tanks...

actual calculated mpg/ onboard computer
1) 13.8/ 16.6
2) 14.1/ 16.1
3) 13.4/ 15.7
4) 14.3/ 16.7

Adding 5th
13.1
Mostly highway. Forgot to note computer MPG.

Click to expand...

You must drive like a rally racer. Why so low?

 

Chadd7

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• Jan 24, 2024

• #84

My last tank I calculated 14.9 miles but had a lot of idling.

 

nuclearbeef

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• Jan 24, 2024

• #85

Chadd7 said:

You must drive like a rally racer. Why so low?

Click to expand...

No clue. Windy and rainy on this last tank.
I'm not hyper-mileing it, but not lead-footing either. I set the cruise at 8mph over the speed limit when on the highway, which is actually 5mph over; according to GPS...
So, 75 on the interstate today for the final 250 miles of tank 5.

 

anand

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• Jan 24, 2024

• #86

Chadd7 said:

You must drive like a rally racer. Why so low?

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Based on a handful of people who aren't on the forum, those are pretty accurate numbers; especially if your highway speed is >75-80

 

Krabby

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• Jan 24, 2024

• #87

Are NAS owners using 91 octane? My intention is Sunoco 93.

 

Chadd7

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• Jan 24, 2024

• #88

Krabby said:

Are NAS owners using 91 octane? My intention is Sunoco 93.

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I use BP Ultimate 93

 

nuclearbeef

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• Jan 25, 2024

• #89

Krabby said:

Are NAS owners using 91 octane? My intention is Sunoco 93.

Click to expand...

87
Costco

 

Tom109

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• Jan 25, 2024

• #90

I have to reevaluate my local stations. I’ve only been buying regular and diesel

 

Chadd7

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• Jan 30, 2024

• #91

16.1mpg 75% hwy driving.

 

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pmatusov

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• Jan 30, 2024

• #92

Tom109 said:

The 3.0 petroleum doesn’t require Premium (US) grade fuel.

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with a compression ratio of 11:1 and a turbo? Sure it does.

 

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pmatusov

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• Jan 30, 2024

• #93

Gas mileage over a 2600-mile highway trip in the U.S.: 14.4 average (total miles driven divided by the number of gallons paid for at pumps). Variations:

Some discussion of that can be found here.

 

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pmatusov

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• Jan 30, 2024

• #94

nuclearbeef said:

3rd and 4th tanks...

actual calculated mpg/ onboard computer
1) 13.8/ 16.6
2) 14.1/ 16.1
3) 13.4/ 15.7
4) 14.3/ 16.7

Click to expand...

This matches very well with my observations of real vs. ECU-computed gas mileage.

 

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Mountain4x4

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• Jan 30, 2024

• #95

Things like elevation play a big roll as well. I doubt I will ever see anything over 14 MPG as I never really drop below 5,000'.

 

nuclearbeef

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• Jan 30, 2024

• #96

actual calculated mpg/ onboard computer
1) 13.8/ 16.6
2) 14.1/ 16.1
3) 13.4/ 15.7
4) 14.3/ 16.7
5) 13.1/ ??

new:
6) 14.2/ 16.5

 

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DezRoamer

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• Feb 14, 2024

• #97

After 3 fill ups, about 600 miles on the truck now.
1st tank netted 15.9 combination city/hiway (Per the computer
3rd tank, all hiway, 20.7 per computer but hand calculated at 17.9.
I'll be hand calculating several tanks to see if the computer starts registering more accurate MPG.
I thought days of computer inaccuracy reporting was over. Most of my newer vehicles the computer estimate was very close to what pen to paper numbers were.

 

Jiman01

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• Feb 14, 2024

• #98

DezRoamer said:

After 3 fill ups, about 600 miles on the truck now.
1st tank netted 15.9 combination city/hiway (Per the computer
3rd tank, all hiway, 20.7 per computer but hand calculated at 17.9.
I'll be hand calculating several tanks to see if the computer starts registering more accurate MPG.
I thought days of computer inaccuracy reporting was over. Most of my newer vehicles the computer estimate was very close to what pen to paper numbers were.

Click to expand...

That‘s pretty good. Plus you’re at what 5000-6000ft above sea level?

 

nuclearbeef

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• Feb 14, 2024

• #99

Jiman01 said:

That‘s pretty good. Plus you’re at what 5000-6000ft above sea level?

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Fuel mileage should improve as altitude increases.

 

Chadd7

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• Feb 14, 2024

• #100

nuclearbeef said:

Fuel mileage should improve as altitude increases.

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I thought opposite