Tony
Active member
I am in the process of conducting some fuel economy tests under various conditions and drive modes. In an earlier thread I promised to post my results and have included them here. This is from my first evaluation.
Conditions: Driving in Hybrid Mode and starting each segment with a full charge.
Total Segments 5
Miles driven on battery 231.8
Miles driven on gasoline 287.3
Total miles traveled 519.1
MPG from trip computer 27.9
For reference, the projected range before refueling was 96
Filled tank and took 17.31 gallons
519.1 / 17.31 = 29.98 mpg
Some comments: I realize that the outcome can vary considerably depending on the ratio of miles traveled on electric vs. gasoline. Also that the mpg results should improve as the vehicle accumulates more miles. Started my testing with only 70 miles on the odometer.
My sense is that my Grand Cherokee does not perform like a typical Hybrid in that without charging it cannot compare to most Hybrids that generate more electric energy for improved fuel economy. That being said, I did not purchase this vehicle solely for fuel economy but more for utility. I am in the process of conducting two more evaluations. The one currently, is to start with depleted electric power and a full tank. This time driving in E-Save only. Since I started without any electric power, this will be a way to measure the amount of electric power that in being generated.
My next exercise is to start under the same conditions only this time in Hybrid. I’m interested in comparing the results. I will not be charging in either of these two cases. I will post the results as they become available. I would appreciate hearing form others on this subject.
Tony
Conditions: Driving in Hybrid Mode and starting each segment with a full charge.
Total Segments 5
Miles driven on battery 231.8
Miles driven on gasoline 287.3
Total miles traveled 519.1
MPG from trip computer 27.9
For reference, the projected range before refueling was 96
Filled tank and took 17.31 gallons
519.1 / 17.31 = 29.98 mpg
Some comments: I realize that the outcome can vary considerably depending on the ratio of miles traveled on electric vs. gasoline. Also that the mpg results should improve as the vehicle accumulates more miles. Started my testing with only 70 miles on the odometer.
My sense is that my Grand Cherokee does not perform like a typical Hybrid in that without charging it cannot compare to most Hybrids that generate more electric energy for improved fuel economy. That being said, I did not purchase this vehicle solely for fuel economy but more for utility. I am in the process of conducting two more evaluations. The one currently, is to start with depleted electric power and a full tank. This time driving in E-Save only. Since I started without any electric power, this will be a way to measure the amount of electric power that in being generated.
My next exercise is to start under the same conditions only this time in Hybrid. I’m interested in comparing the results. I will not be charging in either of these two cases. I will post the results as they become available. I would appreciate hearing form others on this subject.
Tony