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2020 Silverado With Duramax 3.0-Liter Diesel MPG Revealed (Better than Colorado Duramax)

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Posted (edited)

Some quick maths for those interested.  Lets say you can pull 30mpg average in one of these.  That would be including one regen lets say.  720 miles of potential range can be had at 30mpg average out of the 24 gallon tank.  That is Chevy Cruze diesel hyper mile driving type range.  Even if you were at 28mpg average, 672 miles of potential range. 

 

I'm actually upset that I picked up my 2019 LD on a 3 year lease now.  Wish I did 2  as I'd jump right into one of these ASAP, especially after owning a Colorado Diesel. 

Edited by newdude
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You're assuming that you use every drop of gas.  That's the fuzzy logic GM did with the 2019s.  Realistically you'll get 20-21 gallons out if it and not all gas stations have diesel, most do though.  24 is decent for the diesel, but a joke for their gas engines. 

 

I don't like my 26 gallon tank.  I won't consider another GM truck with less than 30.  

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i was set on upgrading my 2018 SLT wit h5.3 and 8spd in 2020, back to the 6.2L (i loved my 2008 denali 6.2) i like this truck but the 5.3 is quiet and weak and the 8spd tranny is terrible, been back to GMC twice in 22k miles and still not any better. 

 

this baby duramax could be a gamechanger. i tow 2 different boats usually a 4500 lb boat but we also have a larger boat that kills my 5.3L. ive always avoided the 2500 diesel because i like using my truck as a daily driver. i want another 6.2 but a tuned duramax would be fun too and if i can get 30 MPG it will be worth the extra mainenace cost

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On 7/29/2019 at 11:54 PM, ChuckTaylor said:

 

The problem RAM has is their gas trucks's payloads are ~1400lbs, where similarly loaded GM is ~1900.  RAM is adding a compacted iron block (heavy) and Chevy is adding aluminum (less heavy).  It's not too hard to see how this ends unless RAM significantly bumps up the GVWR for the 1500s with the eco diesel.

 

In this video, Andre says the 2020 RAM Ecodiesel has more payload and towing than GM and Ford.

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I want to see they payload on the trims I see around here: crew cab and Lariat/Laramie/LTZ.  What I can get on a 2WD regular cab is kind of irrelevant.  With GM they at least scale the GVWR when you go to crew cab - doesn't seem like RAM/Ford do it as much.

   

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The one in the video only had 1300 lbs - which puts it barely ahead of Ford's KR versions. With a cap, two people, and a trailer it'd be maxed out.

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On 7/27/2019 at 11:54 PM, greatmizzou said:

God help you if that engine needs work 😳

Looks really complicated!

 

I wonder what towing mpg is?  Gotta be fairly decent.  If money wasnt an Issue id totally get it over the 6.2.  It is a really really attractive option.

 

The problem with these upgrades is you may as well just get the 2500HD 6.6 duramax for the real deal, and probably for less cost,  if the concern is wanting max towing power.

 

Reminds me of the 1500HD.  Just a strange segment that doesnt fill the gap well...but looking back with hindsight I totally.wish I bought the 1500HD with a 6.0!

 

I agree - the two rear timing chains and wet belt make it easy for me to say no.

 

the 2.7 GTDI gasser looks appealing though.

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On 8/15/2019 at 11:51 AM, MaverickZ71 said:

 

In this video, Andre says the 2020 RAM Ecodiesel has more payload and towing than GM and Ford.

Ram has been kicking GM's ass all over the place with these new trucks, and im glad they are. GM's current stance of our loyalists will pay our prices is bold approach in a market where your now the number 3 selling truck, im sure when the 2021 tundra drops they will be come #4

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On 8/5/2019 at 5:13 PM, ForumUser said:

 

Given the cost of diesel, the increased oil changes, the increased complexity - I can only surmise I would want one if I had big, heavy consistent loads to pull.

And in that case, I would side step the 1500 and move on to the 2500.

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On 8/5/2019 at 6:13 PM, ForumUser said:

So ... always an interesting topic - gas vs diesel.  Have had lots of diesels cars, but no diesel trucks.

 

I get why diesel is desired for big trailer loads ...especially if hauling often.

 

My 2017 Silverado with the 6.2 (8 speed trans) gets better than 24 mpg if I stay between 70-75 mph.  At 65 it is around 26.  80-85 it gets around 20-21.  Hauling a 7000 boat it gets 10 mph at 70-75.

 

Given the cost of diesel, the increased oil changes, the increased complexity - I can only surmise I would want one if I had big, heavy consistent loads to pull.

Like you stated the economy you are getting with the 6.2, imagine how much better the Dmax will get over what it is rated for. With that in mind the extra cost of diesel, which here is less than premium (at least around here it is) it will pay for it's self sooner.  As for increased oil changes, I don't think that will be an extra cost.  Especially on how many don't care what it cost to change their oil when so many are changing out Mobil 1 oil every 3k miles. 

So this baby Dmax grocery getter wouldn't be much more to own than any other 1500.  The only issue is going to be the emission system.  That is going to be a something of an interest since there seems to be all kinds of problems with them and why so many delete them.

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Good points ... I spend $50 every 6000-8000 miles for synthetic oil change at dealership.

 

Have never used premium fuel - always regular.

 

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On 7/26/2019 at 7:38 PM, Jmcgriff19 said:

Why is there a 4mpg difference between the 2wd and 4wd in the highway? The 4wd will have a little extra weight with a transfer case and front diff, but I can’t imagine that causing a big difference in fuel mileage. 

 

On 7/25/2019 at 9:52 AM, newdude said:

Hottttt.

 

Kinda embarrassing to Colorado/Canyon, but owns the Ford 3.0 Powerstroke, especially in 4x4 configuration. 

 

I bet the Chevy real world #s will beat 29 highway. 

 I need one of those  Diesel in my hybrid tahoe   then i can get 40MPG  

 

 

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On ‎8‎/‎12‎/‎2019 at 8:35 PM, Yondu said:

You're assuming that you use every drop of gas.  That's the fuzzy logic GM did with the 2019s.  Realistically you'll get 20-21 gallons out if it and not all gas stations have diesel, most do though.  24 is decent for the diesel, but a joke for their gas engines. 

 

I don't like my 26 gallon tank.  I won't consider another GM truck with less than 30.  

 

Even at 20 gallons, its still 150-200 more than my 26 gallon tank 5.3 2019 LD gets me.  I'm at 350-400mi per fill at best.  My Colorado Diesel would get 500-600mi on a 21 gallon tank.  And I could get 20 in it if I ran it to the light. 

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