How many manufacturers of full-sized SUVs offer a diesel engine alternative? Toyota does not. Nor does Nissan. And neither does Ford. GM alone seems to own this space with a trio of large SUVs -- the Chevy Tahoe, Suburban and the GMC Yukon. GM has evidently identified an unmet need that its competitors have neglected, or simply or created a demand that consumer have been waking up to.
According to the article in GM Authority, when GM made a decision to insert its 3.0-liter I-6 LM2 turbo-diesel Duramax into their 2021 Chevy Tahoe and 2021 Chevy Suburban, both models saw an increase in orders for the diesel engine option. And that is the point this article strives to bring home.
Whereas gasoline-powered full-sized Tahoe and Suburban SUVs still garner more than 90 percent of sales, the story is about the significant growth taking place in the diesel category. Sales numbers reflect the highest take rates since the Duramax became an option.
What is it that is causing this increased interest in the full-sized diesel SUVs? Some surmise that the SUV body styling is preferred over the Chev Silverado 1500 or GMC Sierra 1500, which both offer the same engine. There is certainly a place for each in the lineup. Different strokes for different folks, as they say.
The article proceeds to outline the special characteristics of the 3.0-liter LM2 Duramax engine, which features a duel overhead cam (DOHC) configuration and direct injection, enabling it to produce 277 hp at 3,750 rpm with 460 pound-feet of torque at 1500 rpm. For it size the fuel economy looks good, too. Both are "significantly more efficient" than their gasoline-powered counterparts.
When it comes to towing, the Tahoe diesel is able to tow more than four tons or carry a max payload of 1717 pounds. The Suburban likewise can tow four tons and carry a payload of 1,625 lbs. These are essentially workhorses dressed in their Sunday best.
As you might expect these brands have been keeping pace with the stylish requirements of a futuristic contemporary vehicle. Check our this interior shot of the cockpit. It's NASA Mission Control for civilians.
The full story includes a few pricing details. And lots more photos. You can find it by clicking this link.
So far, highway fuel economy numbers have, in general, come up short of EPA estimates. That said, they have proven higher than what people driving similarly-configured 2020 Ram EcoDiesels and Power Stroke F-150's are seeing. And from an acceleration standpoint, GM's 3.0L Duramax is the clear winner.
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