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www.fueleconomy.gov - the official government source for fuel economy information

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    Your Mileage Will Still Vary

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    Where the Energy Goes

    • Only about 14%–26% of the energy from the fuel you put in your tank gets used to move your car down the road.
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Compare Old and New MPG Estimates

Model Year: 2003

Make: BMW

Model: 540i

Select Engine and Transmission Options...

  • Automatic 5-spd, 8 cyl, 4.4 L, Premium Gasoline, CLKUP
  • Manual 6-spd, 8 cyl, 4.4 L, Premium Gasoline, GUZZLER
  • Automatic (S5), 8 cyl, 4.4 L, Premium Gasoline, GUZZLER , 3MODE CLKUP
View Engine and Transmission Descriptors
  • Old vs. New Ratings
    • 2008 Ratings Changes
    • Compare Old and New Ratings
  • Your Mileage Will Still Vary
  • Fuel Economy Tests

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