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Message
re: 2021 GMC Sierra Denali
Posted on 11/18/20 at 2:27 pm to Them
Posted on 11/18/20 at 2:27 pm to Them
quote:
I've been looking at getting one with the straight-six Duramax since they came out. Totally different character from the 6.2L. All smooth low end torque, obviously doesn't rev high because diesel. The ten-speed is perfect for that engine as well. As far as drivetrain refinement, noise level and shift quality go, you could put that engine and transmission in a brand-new Mercedes and it would be right at home. They're that nice. I live in Montana, so I drive on the highway and fast 2-lane backroads a lot, so the fuel economy of the diesel is very appealing for me. 25ish highway MPG in a full size truck is pretty awesome. It's very quiet in general, inside and out, and not just for a diesel. For reference, I currently have a 2014 Audi A6 TDI, which is a 3.0L V6 diesel in a quiet luxury car, and the 3.0L Duramax is much quieter at idle from outside
Good insight. That 6.2L has some growl to it and I noticed some vibration while idling.
This post was edited on 11/18/20 at 2:28 pm
2
Posted on 11/18/20 at 2:34 pm to LSUBanker
Is this the thread where all the poor people tell others how to spend their money?
Posted on 11/18/20 at 3:01 pm to LSUBanker
quote:
That 6.2L has some growl to it and I noticed some vibration while idling.
Most people enjoy those things about the GM trucks, which is why I think they allow it to be there. I have no doubt that they could engineer the subtle lub-dub idle vibration out.
I would definitely say drive the Duramax and see what you think. If you like the sort-of industrial, gravelly, low-revving nature of a diesel, you'll love it, because it's easily the most refined one I've ever driven in a pickup.
It definitely doesn't have the outright power of the 6.2L when you put your foot down. That shouldn't surprise you given that it has 143 less horsepower, but the torque, 460 lb-ft, is identical to the 6.2L. The diesel also develops that torque at lower RPM than the gas motor does, which means it feels pretty much the same in normal driving.
If you plan on towing at some point in the future, that's more or less exactly what the point of a diesel engine is, so keep that in mind as well. Towing, and still getting decent fuel mileage while towing, is what they excel at.
This post was edited on 11/18/20 at 3:03 pm
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