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25
Sep

MPG Comparison, 2009 Honda Pilot 2WD vs. 2007 Honda Pilot 4WD

Earlier I wrote about the 680 mile return trip that I made yesterday from Central Florida in our first 2009 Honda Pilot 2WD Touring.

What I didn’t report earlier was that my father-in-law was in a 2007 Honda Pilot 4WD EX, directly behind me.

This was no accident….Because Accurate Automotive and Accurate Auto Sales are so interested in obtaining as much real-world knowledge about Honda and Acura vehicles whenever possible, we decided to place these two similar units on the same road together, in the same temperatures, at the same speeds and burning the same octane fuel, which was 87 octane regular gasoline for this particular test.

We started our journey back to the dealership about 1:45PM EST. The outside temperature was 86 degrees. Our first break was at Exit 5 on I-75 north, in Lake Park, Georgia. We topped off the gas tanks here. The 2009 Honda Pilot had consumed 10.88 gallons and the 2007 Honda Pilot 4WD had consumed 10.57 gallons. We had traveled 202.2 miles and the time that had elapsed since the initial fill-up was 2 hours and 45 minutes. This indicates that our average speed, up to this point, had been 73.53 Miles Per Hour (MPH).

Our next fuel top-off was at Exit 345 on I-75 North in Ringgold, Georgia. The temperature at the time of fill-up was 61 degrees. The 2009 Honda Pilot had consumed 15.33 gallons of 87 octane fuel and the 2007 Honda Pilot 4WD had consumed 15.89 gallons. We had driven 333.9 miles since the last fuel tank top-off and the elapsed time was approx. 4 hours and 45 minutes. This indicates that our speed had averaged 70.2 miles per hour.

Our final fuel tank top-off was when we arrived at the dealership. We had traveled 152.7 miles and the 2009 Honda Pilot had consumed 7.10 gallons of 87 octane gasoline and the 2007 Honda Pilot 4WD had consumed 8.81 gallons of fuel.

The results were that the 2007 Honda Pilot 4WD had consumed 35.27 gallons of 87 octane over a total of 688.8 miles, which indicates an average of 19.53 Miles Per Gallon (MPG). The 2009 Honda Pilot consumed 33.31 gallons of 87 octane regular gasoline over the same 688.8 miles, which indicates an average of 20.68 miles per gallon (MPG).

My own personal thoughts are that if we had burned 93 octane gasoline, the average MPG would have probably increased 1.5 to 2 miles per gallon. However, neither of these Honda SUVs require anything more than 87 octane fuel and the current supply of 93 octane is so low, that it was not available at Exit 5 in Georgia. To keep the MPG test consistent, we opted to burn 87 octane fuel through-out the entire test.

The reason I would have rather burned the 93 octane fuel is because of ECO (economy mode) on the 2009 Honda Pilot. In this mode, the vehicle computer cuts out 2 of the 6 engine cylinders when they are not needed, while traveling down the interstate. With the engine running on only 4 cylinders, during approx. 65% to 70% of the interstate driving, the 93 octane fuel would have allowed the vehicle computer to further advance the ignition timing, which would have likely provided a higher fuel efficiency average.

 

One Response to “MPG Comparison, 2009 Honda Pilot 2WD vs. 2007 Honda Pilot 4WD”

  1. 1
    2009 Honda Pilot Test Drive | Honda and Acura Used Car Blog | Accurate Cars of Nashville TN Says:

    […] See how good MPG (miles per gallon) was on this 2009 Honda Pilot Touring during our 680 mile real-world test drive,     Click here. […]

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