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'04 5.3L 1500 Z71 (21000mi)
...resent road trip,
1378mi / 19.5hrs / avg 70mph = 18.5mpg
return trip - avg 80mph = 17.1mpg
DFW-TX --> TN --> VA (Hampton Roads) (I30->I40->I81->I64)
normal everyday mixed (DFW, TX) avg 29-34mph = 13.5mpg
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'04 5.3L 1500 Z71 (25000mi)
...most resent road trip, WITH TRAILER
6x12 enclosed Uhaul Trailer, cargo wt approx 1000lbs, trailer wt 1800lbs
1386mi / 20.0hrs / avg 69.3mph = 11.2mpg
VA (Hampton Roads) --> TN --> DFW-TX (I64->I81->I40->I30)
Handling with this trailer, not an issue, GF even drove 3hrs
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IIIDaemon