Isuzu Trooper Owners Club UK™

Gypsyfilly1964 · Posted: Wed May 30, 2007 20:20 Post subject: trying to work out my MPG ...

i wanted to find out how many mph my trooper did so this is what i did
i filled up, zero'ed the tripometer. did the journey and filled up again.

so here are the figures
58miles
7 litres put back in

how many mpg am i doing

as you know i have a 3l td insignia 2001 trooper.

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cookeal · * Joined: 03 Feb 2007 Posts: 39 Location: St Albans

hmmm... that works out to 37.7 mpg.

I want your car!

Peej · Posted: Wed May 30, 2007 20:33 Post subject:

37.67 mpg Which is pretty good, you sure you didn't push it! Wink

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Gypsyfilly1964 · Posted: Wed May 30, 2007 20:39 Post subject:

Gypsyfilly1964 · Posted: Wed May 30, 2007 20:40 Post subject:

rallymarshall · Posted: Wed May 30, 2007 20:47 Post subject:

why am i only getting 25 mpg outta mine Embarassed

unless the clock aint reading right Crying or Very sad

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gary820 · Posted: Wed May 30, 2007 21:25 Post subject:

don't need work mine out to know it's bad £70 does 270 miles at most Shocked

DYLAN · Posted: Wed May 30, 2007 21:40 Post subject:

Bloomin eck i got 150km from berlin and back on £250, i don't think i could afford to run a 3.1.

gary820 · Posted: Wed May 30, 2007 21:45 Post subject:

Peej · Posted: Wed May 30, 2007 22:07 Post subject:

Chris B · Posted: Wed May 30, 2007 22:31 Post subject:

DYLAN runs on LPG Rolling Eyes

37mpg is superb from a 3.0 ... at best (driving like my father) I get 33mpg on a long motorway run at a static 60mph ish with only me onboard. Daily mpg is closer to 28mpg at the mo.
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wayneh · Posted: Wed May 30, 2007 22:56 Post subject:

i drove from leicester to portsmouth and towed a twin axle caravan back, round trip of 320miles for about £70. i was expecting to stop around rothersthorpe area for a splash of derv but made it back with the warning light coming on

DYLAN · Posted: Thu May 31, 2007 0:24 Post subject:

TimBanham · Posted: Thu May 31, 2007 8:05 Post subject:

I have a feeling that this is not accurate - too short a journey and amount of fuel - you could have had a air block in you tank when you filled up again which would have caused you to stop filling

Fill your tank to the brim - then run it almost empty - Fill to the brim again and note how many miles and litres.

Divide the number of litres by 4.54 (to give gallons) and then divide that into the number of miles.

So if you did 400 miles on the tank and put in 60 litres your calculation would be as follows=

60/4.54= 13.215

400/13.215 = 30.26mpg

You would be very lucky to get 37mpg consistently - I would suggest a figure nearer 27 ish would be more what you will get over time
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Gypsyfilly1964 · Posted: Thu May 31, 2007 19:32 Post subject:

absolute no blockage, and no i dont expect 37mpg all the time, that was done on the a12 doing a steady 60 - 70mph so was a straight road with hardly any braking and in fifth gear for a vast majority of journey.

from that i am roughly expecting about 30 - 31 mpg around and about.