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-   -   How many MPG are you getting at 70 mph (GPS) (https://ecomodder.com/forum/showthread.php/how-many-mpg-you-getting-70-mph-gps-38067.html)

 hayden55 12-27-2019 04:11 AM

How many MPG are you getting at 70 mph (GPS)

Just a poll to see where everyone is at!
Also to add oem speedo's read 2% fast. So if you're going off an accurate oem speedo 71.4 displayed = 70 actual

Comment what vehicle sub trim and what ambient temp for your vehicle.

 hayden55 12-27-2019 04:13 AM

Prius 70F 70 mph ~ 46 mpg

 slowmover 12-27-2019 04:38 AM

Translate to ton-miles. That, at least, provides context.

Payload expressed as tons (percentage thereof) X fuel burn

1,280-lbs payload my pickup
with driver X 20-mpg (@70) = 10 ton/miles per gallon.

150-lb EM’er X 45-mpg (@70) = 3.3 ton/miles per gallon.

When I hitch the trailer (8k), it shoots to over 60 with four passengers also present.

Four persons uncomfortably aboard
an air-conditioned go kart hits a staggering
21 T/M gallon.

Loserville is a town of single person vehicles.
Fuel burn or fuel type just doesn’t matter.

.
.

 hayden55 12-27-2019 08:42 AM

* 40mpg plus vehicles are the focus

 MetroMPG 12-27-2019 01:56 PM

I dunno! I only drive 70 mph a few times a year, when on long (multi-day) trips.

The rest of the year, I toodle along the scenic side roads at ~50 mph / 80 km/h.

But theoretically, an unmodified 5-speed Mirage is good for ~42 MPG US @ 70 mph on level ground in warm weather.

The Metro/Firefly (unmodified) is about the same.

 MetroMPG 12-27-2019 01:59 PM

Quote:
 Originally Posted by slowmover (Post 613968) Translate to ton-miles. That, at least, provides context.
An unimportant context on this particular forum. Perhaps makes sense elsewhere, though.

 Ecky 12-28-2019 07:36 AM

I recently broke 50mpg at 70 in my Acura TSX swapped Insight on a longer trip. It's hard to know if there wasn't some external factor like a tail wind. MPG at that speed seems pretty variable, I've seen as low as 46, but road conditions in winter are highly variable. I'm willing to bet 50+ in summer will be normal. Could probably break 60+ with P&G.

My other (stock) Insight easily maintains 65-70mpg in winter at 70mph.

 me and my metro 12-28-2019 11:59 AM

I’m not even on your chart but I still enjoy and try to contribute to this site. Been here a long time, I do not own a Metro any longer.

 Frank Lee 12-28-2019 02:41 PM

Hmmmm... when was the last time I went 70? On the motorcycle I think.

 oil pan 4 12-29-2019 04:53 AM

Amateurs.
I get around 120mpg at 70mph in the summer in the leaf.
To be a little more fair my wife's hybrid sonata gets around 40mpg, during the summer at 70mph.

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