Mazda’s long-promised diesel engine lastly reached American automotive customers in the 2019 CX-5 diesel. Alas, its time on our shores was quick, with Mazda dropping the engine from its compact crossover only one mannequin yr later. However the diesel-drinking engine, generally known as Skyactiv-D in Mazda parlance, was by no means imagined to be restricted solely to the CX-5. In reality, the engine continues to be—technically—because of make its approach underneath the hood of the mid-size 6 sedan. Or perhaps it isn’t.
To be trustworthy, Mazda by no means gave us a transparent reply when requested concerning the standing of the 6 diesel. As an alternative, an organization spokesperson wrote in an e mail that Mazda, “can’t verify when the Skyactiv-D engine can be provided for the .” If we have been gamblers, we’d wager the diesel-powered 6 is now not in Mazda’s plans for america. That stated, there’s nonetheless some hope the mannequin materializes, as Mazda continues to reserves an area on its consumer site for the 6 diesel.
When—or if—it arrives, the 6 diesel will make use of the identical turbo-diesel 2.2-liter four-cylinder engine and six-speed computerized gearbox as final yr’s CX-5 diesel. In contrast to its all-wheel-drive crossover sibling, the 6 diesel all however assuredly channels the engine’s 168-hp and 290 lb-ft of torque to its entrance wheels.
Sadly, the 6 diesel will probably comply with within the tire tracks of the CX-5 by being solely marginally extra environment friendly and noticeably slower than its gas-powered counterparts. Whereas the usual CX-5’s 187-hp 2.5-liter inline-four earns gasoline economic system rankings as excessive as 25 mpg within the metropolis, 31 mpg on the freeway, and 28 mpg mixed by the Environmental Safety Company, probably the most environment friendly 2019 CX-5 diesel merely managed EPA-ratings of 28 mpg metropolis, 31 mpg freeway, and 29 mpg mixed.
The diesel’s lesser energy additionally made it slower to 60 mph, and its 9.0-second jaunt to the mile-a-minute mark was down 0.7 second to its naturally aspirated, fuel counterpart. The crossover’s out there 250-hp turbocharged 2.5-liter four-cylinder, in the meantime, launched the CX-5 to 60 mph in 6.four seconds.
After all, it’s attainable Mazda’s fiddled with the Skyactiv-D since its debut within the CX-5 and the engine could handle to higher the usual 6’s EPA rankings of 26 mpg metropolis, 35 mpg freeway, and 29 mpg mixed score by a notable margin. If the corporate isn’t in a position to obtain main gasoline economic system enhancements from the diesel engine (your entire promoting level of most diesels in passenger autos), although, then Mazda could in the end pull the plug on the U.S.-spec 6 diesel.
In any case, the usual four-cylinder is lots peppy and (comparatively) environment friendly as is. Plus, the sedan’s out there turbo four-pot’s 310 lb-ft of torque, which arrives at a low 2,000 rpm, should satiate the wants of customers in search of diesel-like low-end grunt. It appears solely a really slim area of interest of 6 consumers are in search of the gasoline economic system of the automobile’s base engine with the out there twist of its optionally available turbocharged unit.
Formally, the Mazda 6 diesel continues to be in gestation. Nevertheless, given Mazda’s non-answer on the standing of the mannequin, in addition to the restricted efficiency and effectivity features provided by the CX-5 diesel, we’re wont to imagine the 6 diesel is DOA. However, we’d love Mazda to show skeptics, comparable to us, mistaken.
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