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Actual MPG vs. Computer MPG

9 messages,  Last post on May 04, 2013 at 9:56 AM

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What is this discussion about? Chevrolet Equinox, SUV

Messages Page 2 of 2

#7 of 9 Camaros and Tire Pressure by runox

Sep 25, 2011 (1:31 pm)

I routinely get 27-28 on the highway with 4 - AWD and thats going 70-75 mph on 87 octane. I drove from NJ to Ohio in clear and moderate traffic and was pulling 31 going 55-60 on crowded highway I don't drive it like my old Camaro. Starting and stopping with a heavy foot is a MPG killer in these cars. Zoom zoom right in the next filling station.
 
Gypsy gas is also a mileage killer. Feed it Mogen David and you'll have a MD hangover. I've found the best mileage is with Gulf or Sunoco 87 O. Go for the plus and yes you will increase MPG more than the difference in price.
 
The biggest MPG killer I've found is low tire pressure. 30-32 psi which is a considered a tad low but still normal will knock off a minimum 10% mpg. I keep my tire pressure in the 38-40 range, being real careful in the summer heat because 90F+ will boost tire pressure on these wheels 4 psi after 10 minutes.
 
Last, I've noticed these engines prefer moderate temps not summer heat, not winter freeze. Best MPG is when temps are 55-70F.

#8 of 9 Re: Actual MPG vs. Computer MPG [jsganz] by tomsfiretruck

Nov 23, 2011 (9:16 am)

Replying to: jsganz (Sep 17, 2010 6:25 am)
2012 LS Equinox.................MPG
Have taken 2-300 mile trips. City-Interste-State Hwy roads, etc
Have avg about 26/27 mpg on both trips. Need to take a long interstate trip to figure out the full highway MPG.

#9 of 9 actual vs. computer mpg by ralphs42

May 04, 2013 (9:56 am)

I think Toyota and Lexus computers are intentionally to indicate 5-8% better mileage than actual when you compute it over several tanks the old fashioned way. Now two hybrids, same results. Toyota Camry and Lexus HS250h....
 
Anybody out there tested the Ford hybrids? I know the computer says less than epa but is actual less than that?

Messages Page 2 of 2

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