Americas What is your petrol US gal mpg?

nuclearbeef · Feb 29, 2024

nuclearbeef said:
Next fillup:

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/ ??
6) 14.2/ 16.5
7) 13.9/ 16.2

Tank 8

8) 14.1/ 16.6

Asnes · Feb 29, 2024

My computer says 17.8 US MPG after just under 1,000 miles. Suspect this is overstated but have not manually calculated.

[ Adam ] · Feb 29, 2024

My latest stats - note that I do not have six months of data, so in the first block monthly averages are way off.

nuclearbeef · Feb 29, 2024

[ Adam ] said:
My latest stats - note that I do not have six months of data, so in the first block monthly averages are way off.

View attachment 7846048

Your numbers appear to closely match to mine.

ADVAW8S · Feb 29, 2024

What would be interesting average speed over the distances.

nuclearbeef · Mar 2, 2024

ADVAW8S said:
What would be interesting average speed over the distances.

Mine has been a mix of highway and town.
Interestingly, speed doesn't seem to matter much.
A couple of my tanks were pure highway driving, and at interstate speeds it doesn't get any better mpg than around town.
Unavoidable when you have the aerodynamics of a Coke machine.

Took my Land Cruiser 200 on a road trip yesterday and today. About 400 miles each way. Almost all interstate with 45 minute stop for accidents each way.
16.25 mpg outbound and 16.3 returning.
I'm pretty sure the LC gets worse mpg in town than the Grenadier but haven't manually calculated.

pmatusov · Mar 18, 2024

A 6666-mile update on gas mileage:

For those of you with a thing for metric measurement:

Mean gas mileage between ~1000 and 6666 miles - 14.05 mpg, or 16.7 liters/100km.
It is interesting to note that the ~17mpg peak before the last fuel-up happened between Big Pine and Shoshone, in Death Valley, California - going from 4000 ft to 7500ft, then down to 3k, up to 5k, down to Badwater at 270 ft below sea level, and once again over a 3100-ft pass:

The only thing that seems to matter with the Grenadier is the speed. During this Death Valley North to South crossing, I don't think I've ever driven over 55 mph. I enjoyed the fact that I had almost 10 gallons left after that crossing - beats my old Disco 1 and Classic on the similar routes.

A little edit here: with the factory tires, the Grenadier's odometer is amazingly accurate: 211 miles odo/211 miles Gaia map Big Pine to Shoshone with little detours I've made; 290 miles odo/290 miles Google map Shoshone to San Diego.

nuclearbeef · Mar 21, 2024

Next fillup:

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/ ??
6) 14.2/ 16.5
7) 13.9/ 16.2
8) 14.1/ 16.6

9) 13.9/ 16.5

pmatusov · Mar 21, 2024

nuclearbeef said:
Next fillup:

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/ ??
6) 14.2/ 16.5
7) 13.9/ 16.2
8) 14.1/ 16.6

9) 13.9/ 16.5

That looks about right

nuclearbeef · Apr 4, 2024

Next fillup:

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/ ??
6) 14.2/ 16.5
7) 13.9/ 16.2
8) 14.1/ 16.6
9) 13.9/ 16.5

10) 15.0/ 17.7

rovie · Apr 4, 2024

nuclearbeef said:
Next fillup:

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/ ??
6) 14.2/ 16.5
7) 13.9/ 16.2
8) 14.1/ 16.6
9) 13.9/ 16.5

10) 15.0/ 17.7

Hi @nuclearbeef, just for comparison. I've been driving a petrol car for 3 days. The display shows me an average of 16.68 (US) mpg. I haven't calculated it manually.

Tazzieman · Apr 4, 2024

There are no leadfoots in this thread

AngusMacG · Apr 4, 2024

Tazzieman said:
There are no leadfoots in this thread

I’m averaging about 13.8 mpg and driving 75 mph or higher on the highway

nuclearbeef · Apr 5, 2024

Next fillup:

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/ ??
6) 14.2/ 16.5
7) 13.9/ 16.2
8) 14.1/ 16.6
9) 13.9/ 16.5
10) 15.0/ 17.7

11) 14.6/ 17.2
Road trip to Atlanta to get my hitch installed.
All highway with a good tailwind. Cruise set to 78mph.

nuclearmonkey · Apr 5, 2024

And you’re using 87 if I remember correctly?…

nuclearbeef · Apr 5, 2024

nuclearmonkey said:
And you’re using 87 if I remember correctly?…

Yes. 87

Michael_in_Baja · Aug 20, 2024

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.

This was my experience over my first 800 miles as well. I'm thrilled at the opportunity to get 18 in this thing.

Ovrland Bill · Aug 20, 2024

My best actual has been about 17 MPG. For planning purposes I use 15 MPG.

Tom109 · Aug 20, 2024

This was last Saturday night. I’ve hit this twice now (but not consecutive fill ups).

255/85 · Aug 20, 2024

Manually calculated we're getting approximately 14mpg (US) around town and 17mpg+/- on highway trips. The engine isn't really broken in yet with just over 2K miles logged.

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Americas What is your petrol US gal mpg?

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