Bingo fuel

[ColoradoMike]

We have been doing some fuel economy range tests since we purchased a couple weeks ago. I do not have enough data to go buy with only 700 miles on it since Sep 9.

My first and second "pen/paper" calcs got gave us 16.2 average over the two refueling stops here. Grenny calcs were 18.6 in its computer. This is with US gallons.

I drive fast on our 75mph interstates and am consistently faster ......but the Grenadier gets what I expect out of it.

I keep the 15mpg as a baseline in the back of my head for mental math on range to fill up.

 

[G-Man]

I get the first (yellow) low fuel warning when the tank is still a third full and then it switches to an angry red fuel warning at a quarter full which equates to roughly 120 miles and 90 miles respective range on a diesel model. Very strange if you're coming from a modern car but it kind of makes sense on a vehicle that is designed to be used out in the wilds and far from civilization. On the other hand, the heart-failure inducing warning 'bong' that accompanies the visual warnings is overkill for sure.

 

[landmannnn]

I claim the bingo prize.

 

[IGL]

Friday on the motorway... all of this seems to me to be a software bug

 

[landmannnn]

Friday on the motorway... all of this seems to me to be a software bug


View attachment 7872494

I withdraw my request for the Bingo prize. You win.

 

[Eric]

I claim the bingo prize.

View attachment 7872445

They may/could actual be both correct, they are measuring different things. The tank gauge is measuring the quantity of fuel left in the tank (circa 50l or 10 gals). But the remaining range is base on your current consumption rate. So if you were consuming fuel at an unprecedented rate for whatever reason (going uphill full revs for 5 miles in low range fast towing a 3.5 T trailer) that would be your remaining range under those circumstances.

 

[landmannnn]

They may/could actual be both correct, they are measuring different things. The tank gauge is measuring the quantity of fuel left in the tank (circa 50l or 10 gals). But the remaining range is base on your current consumption rate. So if you were consuming fuel at an unprecedented rate for whatever reason (going uphill full revs for 5 miles in low range fast towing a 3.5 T trailer) that would be your remaining range under those circumstances.

Actually my driveway is on a slope. If I park uphill it overreads, downhill it underreads.
I was parked downhill then moved it uphill which seemed to confuse everything.
Hopefully I am not getting 3 to 4 mpg.

 

[HereinDaRockies]

They may/could actual be both correct, they are measuring different things. The tank gauge is measuring the quantity of fuel left in the tank (circa 50l or 10 gals). But the remaining range is base on your current consumption rate. So if you were consuming fuel at an unprecedented rate for whatever reason (going uphill full revs for 5 miles in low range fast towing a 3.5 T trailer) that would be your remaining range under those circumstances.

Incorrect. I triggered the warning when reversing info my garage, up a sloped driveway.

 

[BrianK]

Thank you for everyone’s comments in the thread. I just purchased a Grenadier Trialmaster and I’m trying to get a sense of the real world fuel economy and range, especially range. I saw the comment which indicated 480 miles (120 miles per 1/4 tank) which would be fantastic, compared with what I thought it would be when it was filled up, 280 miles on the screen.
Does anybody have any new fuel economy or range observations to share? Highway, mountainous vs. flat, city, offroad? I have driven 177 miles and have more than 1/2 tank. Combined city and highway driving at moderate speeds.

 

[Nevada Grenadier]

Thank you for everyone’s comments in the thread. I just purchased a Grenadier Trialmaster and I’m trying to get a sense of the real world fuel economy and range, especially range. I saw the comment which indicated 480 miles (120 miles per 1/4 tank) which would be fantastic, compared with what I thought it would be when it was filled up, 280 miles on the screen.
Does anybody have any new fuel economy or range observations to share? Highway, mountainous vs. flat, city, offroad? I have driven 177 miles and have more than 1/2 tank. Combined city and highway driving at moderate speeds.

I have found the claimed 15mg to be accurate.