Re: MPG gauge.

On May 5, 1:38=A0am, Baile...@[EMAIL PROTECTED]
 (Bailey B) wrote:
> Some new cars have digital mpg sensors and gauges.


Actually most new cars either have them as stanrd or as an option now.

> =A0 For those of you
> that have them, how accurate do you think they are?
>
> When on interstate how much difference is their in mpg at 55 mph, 65
> mph, and 65 mph?

Within those ranges MPG will go down down as MPH goes up.   That is
pretty much a given.


>
> A dump truck owner said his gauge reads about 5 mpg on highway, =A01 mpg
> on stop and go gravel back roads.

That makes sense to me.

MPG computers are very acccurate in my experience if you measure
average mpg over a full tank.  The spot number also appears to be
quite acccurate.