With gas prices being what they are I figured I'd do a little experiment on my last trip and made this short vid. Drove from SA to Htown @ 70-75mph, no cruise.

https://youtu.be/b-pGBS40Vs0

Cliffs:

• 20.6mpg indicated (~19mpg calculated)
• 207.1 miles traveled
• 70-75mph through most of the trip (some sections of surface roads to and from destination)
• 82*F
• Tires @ 36psi cold
• Not flat, but not not mountainous terrain either
• ~129,500 miles on N62b48 that needs VSS

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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)

2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)