Americas What is your petrol US gal mpg?

Michael_in_Baja · Aug 20, 2024

Ovrland Bill said:
My best actual has been about 17 MPG. For planning purposes I use 15 MPG.

i did an exhaustive break in procedure which is still in process, driving from my delivery dealership in Portland to Northern California, normally a 580 mile, 9 hour drive over 16 hours and 800 miles.

My Grenadier seems to thrive, fuel economy wise, at 56 mph (90 kph) not perhaps surprisingly right at where max torque occurs at 1750 rpm. For many, that would be mind bendingly slow, for me it is perfect as it is the most often posted maximum speed in Baja and any good reason not to speed is a good reason.

255/85 · Aug 20, 2024

Michael_in_Baja said:
My Grenadier seems to thrive, fuel economy wise, at 56 mph (90 kph) not perhaps surprisingly right at where max torque occurs at 1750 rpm. For many, that would be mind bendingly slow, for me it is perfect as it is the most often posted maximum speed in Baja and any good reason not to speed is a good reason.

We certainly see better economy when keeping the speed under 60 mph.

Michael_in_Baja · Aug 20, 2024

255/85 said:
We certainly see better economy when keeping the speed under 60 mph.

I will be doing a 1,000 trip to southern Baja at 50 +/- mph. It will be interesting to see what that looks like.

Jiman01 · Aug 20, 2024

When I was a poor college kid, I’d draft semi’s in my Wrangler and get @26mpg

Normally it’d be @16-17mpg IIRC.

Michael_in_Baja · Aug 20, 2024

Jiman01 said:
When I was a poor college kid, I’d draft semi’s in my Wrangler and get @26mpg

Normally it’d be @16-17mpg IIRC.

i got 21-22 in my 1998 XJ with a 4L HO and a 5 speed. I avoided trucks driving from Portland to California but sooner or later I will be drafting trucks going South.

DezRoamer · Aug 20, 2024

Just finished a trip through the Colorado Mountains. Tried to keep speed under 65 mph, Truck now has first oil change done and 6,000 miles on the ODO, running on 255/80/17 GY Duratrac RT. ended up hand calculated at 18.9 mpg.
The truck was loaded with camping gear for two, the roof rack has a big 270 Bush Company awning, solar panel, Large 10x10 canvas tent and steel poles (weighing 70lbs) 4 MAXTraX Extreme, and 5 gal propane tank.
I wonder how much better it might get at 60 mph?
I really can't complain if it gets between 15-19 mpg

pmatusov · Aug 20, 2024

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

It's all in highway speed. Once you're past 75 on a regular basis, it's 14.
I need to take mine to B.C.

Michael_in_Baja · Aug 25, 2024

pmatusov said:
It's all in highway speed. Once you're past 75 on a regular basis, it's 14.
I need to take mine to B.C.

I think so too. it is very sensitive to the difference between 55-60 and 70-80.

NotHerDecision · Aug 25, 2024

From Colorado to Texas running 80mph I got 15.1mpg. I tested tanks with 89,91,93. All within 1/10th.

pmatusov · Aug 26, 2024

NotHerDecision said:
From Colorado to Texas running 80mph I got 15.1mpg. I tested tanks with 89,91,93. All within 1/10th.

Measured or reported by the ECU?

NotHerDecision · Aug 26, 2024

pmatusov said:
Measured or reported by the ECU?

Measured. The ECU told me 17+

Michael_in_Baja · Sep 13, 2024

pmatusov said:
It's all in highway speed. Once you're past 75 on a regular basis, it's 14.
I need to take mine to B.C.

Fortunately, I will never be in quite that much of a hurry.

pmatusov · Sep 14, 2024

Michael_in_Baja said:
Fortunately, I will never be in quite that much of a hurry.

Hurry is relative. Driving 10 mph under the median traffic speed is almost as dangerous as 10 mph over.

Michael_in_Baja · Sep 14, 2024

pmatusov said:
Hurry is relative. Driving 10 mph under the median traffic speed is almost as dangerous as 10 mph over.

Fortunately for me the maximum speed limit in most of Baja is 56 miles (90 km) an hour and you are lucky to do that in most places.

Tom109 · Sep 14, 2024

pmatusov · Sep 14, 2024

Michael_in_Baja said:
Fortunately for me the maximum speed limit in most of Baja is 56 miles (90 km) an hour and you are lucky to do that in most places.

Ah-huh.
When we were coming back last time, between Ensenada and Tijuana I was the slowest driver at 100-110, along with the garbage trucks.

Michael_in_Baja · Sep 16, 2024

pmatusov said:
Ah-huh.
When we were coming back last time, between Ensenada and Tijuana I was the slowest driver at 100-110, along with the garbage trucks

pmatusov said:
Ah-huh.
When we were coming back last time, between Ensenada and Tijuana I was the slowest driver at 100-110, along with the garbage trucks.

I cross at Mexacali Eaat. You need to do better than 110 to not get mugged in TJ.

pmatusov · Sep 16, 2024

Michael_in_Baja said:
I cross at Mexacali Eaat. You need to do better than 110 to not get mugged in TJ.

It is a lot out of my way to get home.
Even when I see an hour and a half wait in TJ/Otay Mesa, it may still be faster than Tecate - because (a) it adds an hour and a half to the drive, and (b) there will be a Border Patrol checkpoint on SR 94 a few miles West of the crossing.
I try to plan my trips so that I enter B.C. in TJ and return in Tecate.

Zimm · Sep 17, 2024

I’m at about 14.5.

Dso715 · Sep 17, 2024

I’m averaging around 20-22 around town, 19 at 70 on highway and around 16 towing a turtleback trailer. I’m coming from a 89 Land Cruiser so my pedal isn’t heavy and I plan my momentum.

Zimm said:
I’m at about 14.

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