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10. (TIE) 3-Series Hybrid, Mercedes E400 Hybrid, Infiniti M35h, Buick LaCrosse/Regal eAssist: 29 mpg
Who is to say that luxury car buyers aren’t affected by high gas prices? If you want to drive in comfort, style, and have the latest high tech goodies in a car, you shouldn’t have to pay more at the pump for it. Here are our picks for the top 10 most fuel friendly luxury cars, ranked in order of their combined city/highway mpg numbers.
Quite a few luxury cars hit the 29 mpg mark combined. The most impressive of the bunch is the Buick LaCrosse, which manage to get solid fuel economy, despite its bigger size. The Infiniti, Mercedes and BMW vehicles make do with a high-power pairing of a six-cylinder engine and an electric motor, which gives the end result of over 300-hp.
The Buicks use a mild hybrid system called eAssist which pairs a 2.4L four-cylinder engine with a conventional automatic, and a compact lithium ion battery to get its impressive fuel economy numbers.
While a mid-cycle update and not an all-new model, the 2014 Mercedes-Benz E-Class makes a small yet important change to the car’s design, dropping a feature that has characterized its look since 1995.
Sharing the stage at the upcoming Detroit Auto Show with an all-new SL for 2013 will be two new Mercedes-Benz products designed to deliver heightened fuel economy. Both cars will be based on the current E-Class and both will be hybrids, but that’s where the similarities end.
Up first is the E300 BlueTec Hybrid, using a version of the Mercedes 2.1-liter turbodiesel 4-cylinder. That engine makes 201 hp and 369 lb-ft of torque and will come mated to an electric motor producing 27 hp and 184 lb-ft with a lithium-ion battery pack holding the charge. The result will be a 0-62 mph time of 7.5 seconds and an all-electric range of about a mile at speeds below 35 mph. Mercedes is targeting a fuel economy rating in the high 60 mpg range, although that’s on the generous European cycle.
In addition, Mercedes will unveil the E400 gasoline hybrid using the brand’s 3.5-liter V6 and the same electric motor to deliver roughly 32.4 mpg on the U.S. EPA cycle.
Click here to view AutoGuide’s complete 2012 Detroit Auto Show Preview