But the m is probably making better power for each mpg. 4.8i gets about 14mpg regardless of how its driven and isn't putting that much power down. M is 10mpg?
Originally Posted by TahoeM3
The 4.8i is like a Prius compared to the M.
2008 X5 4.8i Space Gray/Tobacco, Premium, Sport (includes AD), Active Steering, HUD, Tech, Comfort, Cold, Climate Package, 3rd Row, Prem Audio, running boards, OEM hitch
2005 X5 4.8is Imola Red, Nav, Nappa, Comfort seats, OEM hitch
2004 X5 4.4i Sport (sold)
2004 X3 3.0i 6MT (sold)
2002 M5 (sold)