Hybrid Real World MPG (iForce Max) - post your model, specs, general driving conditions, results:

[gavinman]

TRD ORP, normal mode, 70/30 mix highway/city/ 93 Octane, 14.5K miles:

With 67# 285/75 Toyo A/T III on TRD Flat black option wheels:
- Average over ~6.5K miles: ~17.5 MPG (with odo adjustment for tire circumference difference (6.75%)
With 37# 265/65 Mich Trails (OEM) on TRD PRO wheels:
- Average over ~8K miles: ~21.5 MPG.

I've reported these rough numbers before but came here today because my most recent data is interesting and reflects some new conditions:

- Towing ~1500# loaded flatbed trailer - OEM tires ~400 miles: ~15 MPG!
- 870 mile highway trip (VA-GA-VA) with ~10 miles in LO4 off-road - Big tires: 19.4 MPG! (best ever on the big tires)

So towing is rough on gas milage - guess that should not be a surprise. And I guess my observation about the longish highway trip with the big heavy tires is that once you get those heavy tires turning they want to keep turning. almost 19.5 MPG is more than acceptable to me with those tires. (Am guessing that same trip on OEM tires would have been ~22-23 MPG)
[/QUOTE

what did you use to calibrate the new size tires?

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[MikeD]

Ratio of tire diameter from manufacturer specifications. calculated and tracked by spreadsheet at every tank fill/tire swap. Speed delta verified with gps

 

[Joestac]

Trending back up since swapping to the 275/70/18 Toyo Open Country AT3 in an E load at 50 pounds each. 18.57 over the last 300 miles. These are lighter than both the KO3 and the AT4W. A smarter man would have switched straight to these tires, but now I know firsthand how each drives.

 

[Administrator]

How's everyone's hybrid MPG stats looking lately?

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