BMW 328d review

Diesel engine gives fuel economy a nice boost

Published: May 2014

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Even with its 240-hp, 2.0-liter turbocharged four-cylinder gasoline engine, the BMW 328i delivers surprisingly frugal fuel economy. The 28 mpg overall we mea­sured is among the best in its class. For 2014, though, BMW bolted in a new 180-hp, 2.0-liter turbodiesel, changed the “i” to “d,” and left that gas-mileage figure in the dust.

The 35 mpg we averaged in the 328d, even with all-wheel drive, is terrific. In this class, that’s eclipsed only by the 40 mpg of the Lexus CT 200h hybrid, which doesn’t come close to the 3 Series in luxury and sportiness. And the 328d’s 49 mpg highway mileage gives the car a lengthy driving range of 735 uninterrupted miles.

Trade-offs? The 328d’s acceleration isn’t exactly speedy; its 8.5-second 0-to-60 time is more than 2 seconds slower than the 328i’s. But with 280 pound-feet of torque on tap, the diesel packs a nice punch for merging or passing. With some diesel clatter, the 328d is a little noisier than the 328i, but we didn’t find it offensive.


Editor's Note:

This article also appeared in the July 2014 issue of Consumer Reports magazine.

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