• BMW 328d boasts up to 45 mpg hwy
  • Rated at 32 mpg city, 31 mpg city/43 mpg hwy with all-wheel drive
  • 328d arrives at dealers later this summer

The diesel-powered 2014 BMW 328d will reach up to 45 miles per gallon on the highway. That impressive figure is the latest news from BMW, which released fuel economy details ahead of the new 328d's launch later this summer.

According to BMW, the 45 mpg hwy figure applies to the rear-wheel-drive 328d. That model will boast city fuel economy rating of 32 mpg -- a far cry from 45 mpg but still exceptional for a sporty luxury car. All-wheel-drive 328d xDrive models, meanwhile, will return 31 mpg city/43 mpg hwy.

For shoppers interested in fuel economy, those numbers are a big deal. They're a huge improvement over the base-level 320i's 22 mpg city/34 mpg hwy. And they're even well above the outgoing diesel-powered 335d's 23 mpg city/36 mpg hwy.

Of course, the stellar fuel economy means the 328d's performance suffers a little. While the 335d had 265 horsepower and 425 lb-ft of torque, the 328d makes do with 180 hp and 280 lb-ft. Still, BMW says 0-to-60 mph should come in around seven seconds, so the 328d is hardly a slouch in terms of performance.

Expected to arrive later this summer in sedan and possibly wagon body styles, the 328d will start just under $40,000 with shipping. That makes it around $2,000 more than the gas-powered 328i. All-wheel-drive 328d xDrive models will start from around $41,500 including destination.

The 328d is the latest version of BMW's all-new 3 Series to join the model's lineup. An updated 3 Series wagon will arrive soon, as well, while the 3 Series coupe will be replaced with the 4 Series later this summer.

What it means to you: The 2014 BMW 328d combines BMW performance with tremendous gas mileage.

author photo

Doug DeMuro has a wide range of automotive industry experience, from work at a Ferrari dealership to a manager for Porsche North America. A lifelong car enthusiast, Doug's eclectic vehicle purchases include a Porsche 911 Turbo, an E63 AMG wagon, an old Range Rover and a Mercedes Benz G-wagen.

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