The 5,000+ mile average MPG thread

Status
Not open for further replies.
If you continue to insist on a photo of a trip computer showing both average consumption and mileage since reset of at least 5000 you are going to get almost no proper responses. Very few people are going to have that - those with more than a passing interest in the fuel economy of their car will likely keep more detailed logs like Joe T has anyway and reset the trip computer from time to time anyway so won't ever hit 5000 without a reset.

Even those who think they have done 5000 without a reset will probably find the algorithm that calculates the average consumption only uses the last 1000 miles of data or something anyway.
 
It should be possible then to have a 5000 average (unless it's limited to less than 5000 miles)

It is possible but only if you make the decision to stop using the journey computer for journeys and just leave it to roll on. Why would you do that? Seems pointless. It's clearly there for trips not months because it has a 'start time' field. If you wanted a long term average you'd just use the other one...
 
I dont understand. If the data isnt interesting and/or useful (which I thought was the main object of the thread), I'll remove it.
He's probably got one of those cars that overestimates by 5mpg and doesn't want to have to face reality :p
 
What does filling up have to do with your mpg?

So lets make it simple. You have 4999 with an average mpg of 40 for example. What difference will it make whether you fill up or not to your 5001 mile average? I am completely lost here.

Because, I was under the assumption, you wanted accurate data?
 
Any chance of photos of the actual OBC to keep the playing field level?

Surely a level playing field would be spreadsheets/apps that record mileage and fuel usage.

OBCs differ from manufacturer to manufacturer in their operation and accuracy, making your bizarre requirements irrelevant to your objective.
 
Surely a level playing field would be spreadsheets/apps that record mileage and fuel usage.

OBCs differ from manufacturer to manufacturer in their operation and accuracy, making your bizarre requirements irrelevant to your objective.

Don't these apps rely on manual entry of mileage, etc?
Using the OBC, at least any variability is down to the differences (if any) between manufacturers.
 
Yes, which makes them far more accurate. You simply enter miles covered and fuel added. The resulting calculation provides true mpg.

This. If you've been doing it for 5,000 miles and putting incorrect figures in to make you feel better about your consumption, you're possibly the worlds biggest idiot. Why not take someone's app data? Fuelly info?
 
If you are adding manually the fuel then you are introducing another variable that is subject to bias (user, pump variability etc). I think for the purpose of this thread we should stick to the actual pics of the OCD - its more fun this way :)
 
eodCmEbh.png.jpg


:(

I assume you rag it?

Only reason I say that is using the "older" version of that engine (assuming the 5.0), in a heavier vehicle I get better mpg. :p

Although I guess tuning makes a bit of a difference.

EDIT: seems the Mustang with 5.0 should be more economical than my 2010 F150. Maybe I should rag mine a bit more. :p

That said there is probably less stop start in town here than the UK so that may make a difference.

Don't these apps rely on manual entry of mileage, etc?
Using the OBC, at least any variability is down to the differences (if any) between manufacturers.

My car regularly records 12-13l/100km on the OBC, yet actually calculating fuel in vs km driven pushes that number up to around 15.5. That's a major difference and why manual entry into an app/spreadsheet over a period of time is far more accurate, especially when I reset my OBC every refuel.
 
Last edited:
Status
Not open for further replies.
Back
Top Bottom