What Everyone Needs To Know About The 3.0L Duramax!

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[MrGameKiller]

I’m loving my new ‘24 3.0. More power. More torque. My best 50 mile avg has been 33mpg with it.

[champions]

Went from an 04 LLY to the 3.0. Fuel savings alone is worth it. I average around 30mpg constantly. Fill up once a month. Tows my camper very well. Torque for days. Smooth, quiet, and comfortable. Nothing short of impressed.

[ryanfreshour]

We use our 1500 3.0’s for work, my dad has 85k on his Denali and hasn’t had one problem hauling trailers etc. I have an High Country and use it every day for hauling my 11k spray foam trailer every day. It pulls it insanely well and getting about 14-16 mpg with the trailer and getting 29-34 mpg @75 without the trailer. With the trailer It pulls it 75mph @1550-1600 RPM. My mom also has a Yukon, we love all 3 and haven’t had any problems.

[panchovia]

So people are saying that the difference in fuel saving is not that much maybe it’s not but the real difference is being able to go 6 to 700 miles without refueling that saves a lot of time in a road trip.

[slimsmarti]

2021 Tahoe owner here, we have the 3.0. Quiet, fast and smooth, the 10 speed transmission is outstanding. 26 combined on average. 30, 000 miles. It is fun to drive! I would love a gear indicator and toggle for downshifting in the mountains. Thanks for the video.

[Tsmo]

I have a friend that has a 21 3.0 Duramax Diesel 4x4 it currently has 110k on it now & he's averaging 29 mpg on the highway, LOVES IT

[ontogeny]

Love my 3.0 SLT. Just fantastic. Smooth power delivery, great economy. On a side note, my truck was optimized to tow just under 13K lbs with the Max Trailering Package.

[stuffnwords]

I don't own one@ but I'm a gm diesel tech and I don't find em to be too hard ti work on. That coolant manifold is funky to get in and out if the truck, and some repairs are more involved, but over all they're pretty easy to work on.

[LargeCarjw]

I have a 23' GMC Sierra 1500 Elevation. Just got past the first service. LZO Burned Exactly 1 Qt of oil in 1st 7k Miles. I live at 7300 ft Elevation and travel up and down hill. I regularly pull a 12' Dump Trailer with a Small ASV Track Skidsteer. I Average between 32-37 mpg on the highway not pulling a trailer. I have had a couple instances of going easy on the highway downhill at 68mph from Larkspur CO to Pueblo CO and made 49.6 MPG! I get about 14-17 mpg pulling full capacity GVW and the computer regularly reminds me that I am close to exceeding it's capability. You have to drive the truck like a diesel and not have expectations of a gas engine when it comes to RPM's. You have to understand the torque curve and let the truck lug at lower rpms a little more than you would expect. I feel the exhaust brake is nearly useless and paddle shifters on the steering wheel are maddening because you have to put it in LOW mode to get them to work. When you put the truck in Low (manual) mode, it downshifts 2x gears which makes no sense whatsoever. The good outweighs the bad on this truck though and I will put 100k on it and see how it does. I am a former truck driver and compared to my Ram 1500 1/2 ton the truck is a good improvement as far as towing. I also recommend Sumo Springs for pulling campers and light duty trailers like I do. I have used Timbren springs on my Ram and they are stiff compared to Sumo Springs. Final Statement is being a former Ram guy, this truck is actually a great combo for 1/2 ton lovers that want a nice diesel. The engine is an Isuzu platform and well proven for longevity and durability. My average mileage combo over the first 7k miles including Pulling my Skid, Highway, Stop and Go and cold weather idling is 26mpg combined. I hope this helps if anyone has questions, feel free to comment or reach out.

[kyletouchstone-fxgc]

I just got a 21 baby duramax and i absolutely love it. I do wish it had a lil higher tow rating but it is so quiet and drives like a car.

[GQ-wzit]

I just picked up my new at4 with the 3.0 after putting 140k miles on my zr2 Colorado with the 2.8 diesel. The Colorado gave me zero issues after hearing so many people bash it just like they are saying about the 3.0. A Tahoe or suburban with the 3.0 to me is the best SUV you can get. I also think you are forgetting it’s a 1/2 ton and need to take that into account, if you need a heavy duty truck buy that and don’t buy a 1/2 ton if you need a HD

[brandonp]

No matter what, the driveability of a diesel engine is just better on every level. I use my 3.0 as a work truck and I love it. All the power I need, no searching for the right gear, all the low end snort... It's just miles better than the 5.3. The 6.2 is awesome but still has to pull revs to make power where these 3.0's just make power right away. She's no hot rod, but the power is so smooth, it doesn't matter.

[budlite]

Love the 3.0 diesel. Bought an AT4 in march 2021. Pulls our 27' trailer at 6800lbs without effort. Mostly we pull our toys on a trailer with a combined weight, around 4500 lbs.

[neilwoelke]

I bought mine back in 2020 it has 130, 000 on it now it hasn’t skipped a beat yet, uses vary little def so not really a big deal there, fuel saving alone were worth it, would never go back to a V8 gas truck.

[jayjawort]

I got one of the first one delivered just over 3 years ago. I had zero problems with the engine so far. I live in Wisconsin and get 31mpg in the summer and about 27 in the winter. The Def is about 1 tank per oil change, so to me that's not a big deal.... however when towing it uses 10 times the amount of Def. This is definitely my biggest complaint. My mpg goes down with the boat attached to 13 but the Def usage goes up 10 fold, it just seems to be excessive. I do love the power when towing, it rarely goes over 2000rpm and stays around 1600 at 65, so it's a quiet rides while towing. 8 9 10th gears are all overdrive gears, so it does feel like the engine is never really working hard. My last truck was a 2010 6.0l gas half ton, I like both for different reasons, but would definitely recommend the 3.0 for every day driving and the occasional towing, which I think is what gm was designing it for.

[adamwriter]

I upgraded to a ‘22 Silverado 1500 Crew Standard Box 4x4 Z71 with the 3.0 Duramax this Fall from a ‘19 1500 Silverado with the 5.3 V8. I have just under 8000 miles on the truck now and I am loving it compared to the 5.3 V8.

I use the truck in the field for agricultural operations and have a 500 pound four wheeler in the bed at all times along with tools and a complete mobile office in the cab with laptop, printer, etc.

I spend a lot of time slow driving often in four-wheel-drive around farms and a lot of time sitting and idling working in the truck. In between farms, I often have over an hours drive as well. So far I am averaging 20.5 miles per gallon across-the-board in this truck which for the way that I use it is great. The 5.3 that I had prior to this only averaged 13mpg. additionally, the 22 gallon fuel tank in the 5.3 was obnoxious because I was filling up with fuel sometimes every day usually every other day. I personally like the torque curve of the 3.0 Duramax because it makes its power in the mid range and doesn’t require slamming your foot to the floor to make any power like the 5.3. It also tows better because it holds its speed with the much higher torque rating and I’ve averaged 14 to 16 1/2 miles a gallon towing around 6, 000 pounds, whereas I only got 6-9 miles a gallon towing with the 5.3. If I need to tow something heavy we keep a 2011 6.6 Duramax around for towing tractors and other equipment. Also, your tow numbers aren’t quite up-to-date because you can now get the 3.0 with a 3.73 rear end that’s rated to tow 13, 300lbs.

[dsmnpd]

I Absolutely Love My ‘21 RST Z71 CC SB. I’ve had it a year and a half and it just keeps on impressing me. I had to tow my 37’ 10k Camper from LI New York to St. Petersburg Florida in October. Absolutely NO Issues. Tow Police can Keep Scrolling, I’m Not a Newbie.

[Pickuptrucktalk]

I just bought one for a year-long review and I have driven many different Silverado and Sierra in both HD and LD trucks with diesels over the years. Watching this video, it seems like you are talking about apples and oranges use cases. For example, this is not in anyway a HD diesel like the 6.6L and is not meant for towing goosenecks all day. That's a 6.6L's job. Instead, this is a fuel economy truck with a towing component.

The discussion on maintenance is really related more to the 6.6L oil change prices and not the 3.0L prices.

Also, you don't have to remove the cab to service the belt and people who buy this aren't putting the miles on that quickly since it isn't a 6.6L Duramax. Instead, this is like a consumer version of a diesel vs the commercial diesel usage you describe. Just a different use case for a different consumer.

[countcuda]

That's the double cab not the crew cab. The crew cab has more room then my 2006 LBZ crew cab. We have a 2021 RST Z71 Duramax on the farm. It's been amazing so far. Only has 100, 000 on it

[agarcia]

Bought my 21 crew cab 4x4 RST with the baby Duramax new and it has been one of the best vehicles I’ve ever owned. I don’t really need it to haul stuff around but have used it to pull my Subaru around, well because it’s a Subaru and for some other common stuff you don’t throw into your car. Best feature is it’s comfortable and I average 600 miles a tank with the occasional heavy foot so this has been a great purchase for me and my family.