EPA Reduces Mpg On BMW 328I

By Ingrid Johnson


German automaker BMW is probably not the happiest camper at this time. The mpg fuel-economy rating for its 328i automatic model has been downgraded by the EPA.

Expected small drop

Last week, the 2012 BMW 328i automatic was reaching 24 mpg city and 36 mpg on the highway. Not, it only gets 23 and 33 after the EPA ordered BMW to change the miles per gallon.

Own tests done

Every automaker does a bunch of tests that the EPA requires to determine what the fuel economy rating is for the automobile. Occasionally the EPA does a second test just to make sure while other times it will just accept the automakers' numbers. After doing its own test, the EPA decided that the BMW car needed a decrease.

Most not tested

The EPA typically only tests about 15 percent of the vehicles sold in the States.

Massive drop

BMW said it was "surprised" at how low the rating was after the EPA did its own test. Normally, the EPA will only drop a rating just a little bit. It is not typically as severe as BMW's drop was.

Find out about BMW 328i

An eight-speed transmission - operated by paddle shifters in the steering wheel - could be found in the 2012 BMW 328i. It also gets 260 lb-ft of torque with its 2.0 liter turbocharged four-cylinder 240 horsepower engine.

Looking at EPA standards

With an EPA fuel-economy test, an indoor track is used with controlled conditions and constant variables, such as the type of fuel used. The automobile is put through tests in five different ways such as highway, aggressive highway, cold city, hot city and city. The original test was done in Munich by BMW.

Keeping the reduced rating

BMW will not be able to re-test the car until its 2013 design is ready. Until then, the decreased rating will stick for the 328i automatic. The six-speed manual shift version, however, retained its 23/24 rating. There is still something to be said for the human touch.




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