Lr4 Mpg

Rover7777 · Oct 16, 2009

??

ok..so...
again my next fillup resulted in 16.1 mpgs...city, driving normal.

Computer readout says 17.4

why is there such a descrepency? :stupid:

BruceK · Oct 16, 2009

Rover7777 said:
ok..so...
again my next fillup resulted in 16.1 mpgs...city, driving normal.

Computer readout says 17.4

why is there such a descrepency?

Don't know. But I've seen similar discrepancies with the GTI we used to have and the Outback we have now. I just shake my head and move on... :biggrin:

BTW - I can't wait to hear what sort of highway mileage you get on the LR4. I'm debating now whether to hold onto my '03 D2 or go for an LR4.

BruceK · Oct 17, 2009

Rover7777 said:
ok..so...
again my next fillup resulted in 16.1 mpgs...city, driving normal.

Computer readout says 17.4

why is there such a descrepency?

I've been giving this some more thought. To narrow down the source of error you'd need to fill the LR4 at the same pump each time and to stop adding gas at the same time too (no topping off). And record more digits to the amount of gas you add too. The computer in the truck will give you the mpg according to the amount of gas used, but when you manually compute the number you're using the amount of gas you've just added. Not necessarily the same thing depending on how the truck was filled up each time.

And Yes, I'm an engineer. How did you guess? :proud:

Rover7777 · Oct 17, 2009

Bruce, I have actually filled up at the same place and the same pump each time....not by any design, its just where i go and the way i pull in the station.

I have watched the top offs and the most i have seen is like .05 cents to round off...i use a cc so it doesnt matter plus i dont want gas all over the side of the truck. I will try what you said, see if that number gets closer.

thanks

j

roverman · Oct 19, 2009

never mind.

Rover7777 · Oct 19, 2009

lol, i already read it and my head was spinning...

BruceK · Oct 19, 2009

I'd read it too and it made sense but I have no other explanation for the discrepancy. I know that when I fill my Disco, depending on the pump, I can put in an additional gallon or more after initial shutoff. <shrug> I really have no clue... Just ask my wife... :dontknow:

roverman · Oct 19, 2009

lol, sorry I wasn't fast enough in deleting it. Too Funny...

BruceK · Oct 22, 2009

So, do you seem to still be getting 15-16mpg in the city?

Rover7777 · Oct 22, 2009

Yes Bruce, 15.4 was my last tank manually. Computer had me at 16.8.

Lr4 Mpg

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