Annual Fuel Cost* $2,550: Cost to Drive 25 Miles: $4.28: Cost to Fill the Tank: Tank Size *Based on 45% highway, 55% city driving, 15,000 annual miles and current fuel prices. Personalize. MSRP and tank size data provided by Edmunds.com, Inc. Range on a tank and refueling costs assume 100% of fuel in tank will be used before refueling. BMW E53 X5 3.0i Fuel Consumption (Economy), Emissions and Range. Fuel Consumption - Economy - Combined: BMW E71 X6 xDrive35i (2008) BMW E38 7 Series 728i (1996) There’s a 3.0-liter six, a 4.4-liter V-8, and a 3.0-liter six-cylinder diesel, which powered our test car and probably makes the most sense for the X5. The diesel engine in the new model is a Tailpipe Emissions. 8.8 tons CO 2. X5 4.4i. vs. 6 tons. Avg. Midsize SUV. Yearly estimate based on your driving miles. Learn more about 2005 BMW X5. See all for sale. X5 (G05 LCI, facelift 2020) | 2020 - to present. Modification Recommended fuel City consumption Highway economy Combined cycle Energy consumption; 30d xDrive MHEV Steptronic The DEF dries up and crystallizes in the air stone vents and they get clogged. So later as the car pumps DEF out of the tank, the vacuum created collapses and cracks the tank. The DEF tank is expensive to replace if this happens. BMW dealers were filling from a bulk fuel dispenser and many DEF tanks got cracked. What is the fuel economy, BMW X5 (E70) 30d (235 Hp) xDrive Automatic DPF? 8.2 l/100 km 28.68 US mpg 34.45 UK mpg 12.2 km/l: EPA Fuel Economy Equivalent (for hybrid and electric vehicles), combined/city/highway (MPGe) 2009 BMW X5; 2008 BMW X5; 2007 BMW X5; Mechanical. 3.0-liter, 300-horsepower, 24-valve inline 6 BA8isl.