Real worth of a Duramax? Are they even worth a rebuild? - Chevy and GMC Duramax Diesel Forum
04.5-05 LLY Performance Parts Discussion Discussion of Performance Parts For the 04.5-05 LLY Duramax Trucks No Advertising

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post #1 of 34 (permalink) Old 12-02-2019, 09:33 AM Thread Starter
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Real worth of a Duramax? Are they even worth a rebuild?

So I wanted to get some input from others who own these LLY Duramax’s. Ir any older duramax. I’ve got one with 323,400, still runs and drives but have plenty of problems. Too much to list. Name a problem and it probably has it. That’s a Duramax.

The costs for just parts on these trucks are a small fortune, let alone paying someone else to rebuild it professionally. Working on these things are such a headache and take so long. I can work on vehicles, but I’m not pro mechanic and I know I shouldn’t try to rebuild the thing on my own.

Unfortunately I’m left with only a few options: sell, rebuild, part out, or swap. I’d like to sell but no one wants to buy these things with high miles, they just really aren’t worth much when they’re old. I’d love to Cummins swap and make it worth something but it’s again not worth the time or money. Rebuilding is just as expensive sadly.

Should I drive it off a cliff? Redline it then junk it? What are other people’s thoughts!
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post #2 of 34 (permalink) Old 12-02-2019, 10:16 AM
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A well maintained rust free non-lifted LLY is still worth $15K-$20K, but if it's been abused and lived in the rust belt, probably not worth much, even for parts. Mine has performed flawlessly for 10 years now pulling a 5th wheel for over 40K miles and I do all my own maintenance and minor repairs/upgrades. Not a single bit of rust living here in the PNW. Granted, it has less than half the mileage your does, but I expect it will make it well over 300K. Just be glad you didn't get a Furd 6.4 or 6.0 PS...... I expect some day I will have to do head gaskets, but that's usually the worst problem with 2nd gen Duramaxes.
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post #3 of 34 (permalink) Old 12-02-2019, 02:25 PM Thread Starter
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No rust and only the second owner. Towed a good bit during its life and commuted highway most the time. Would assume that maintenance was done on time and I know it was brought to a local shop for repairs. The thing lived in the Nevada desert most it’s life, now in the Sierra Nevada. About the best place to buy trucks it’s just so dry out here.

Doesn’t mean it’s worth 10k, 8k, really even 5k. These Duramax’s age so poorly compared to the Cummins or a 7.3L. They need so much work after 250k from what I see on average.
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post #4 of 34 (permalink) Old 12-02-2019, 03:25 PM
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No rust and only the second owner. Towed a good bit during its life and commuted highway most the time. Would assume that maintenance was done on time and I know it was brought to a local shop for repairs. The thing lived in the Nevada desert most itís life, now in the Sierra Nevada. About the best place to buy trucks itís just so dry out here.

Doesnít mean itís worth 10k, 8k, really even 5k. These Duramaxís age so poorly compared to the Cummins or a 7.3L. They need so much work after 250k from what I see on average.
There is an LBZ with 330K going for $9500 on CL in Boise right now. I would have to imagine yours would still bring 5K.
Seems like a no brainer to me, save up 15K, sell yours for 5K, move up into a 20K truck. Done deal.

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post #5 of 34 (permalink) Old 12-02-2019, 03:49 PM
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I'm the original owner of my LLY which now has north of 370k on it. Burns no oil in between changes, chassis/body have zero rust (see my location - highway depts love salt), and basically runs better than the day I picked her up. Son drives her now and has plans to see how long she'll keep going. Cars and trucks are like women - they require maintenance, but if taken care of, they'll treat you well. Treat em like crap, and well hopefully you get the idea (Google Wayne Bobbit.) You mention Cummins - agree they're a good engine, but the tranny and chassis are crap. I can't find anything positive to say about a Powerstroke. But I'm a GM guy - AND YOU'RE ON A DURAMAX FORUM! Sell your your truck if you're so unhappy and move along.
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post #6 of 34 (permalink) Old 12-02-2019, 04:49 PM
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Name a problem and it probably has it. That’s a Duramax.

Tryin' out for the new Cummings troll position?

What's the sayin'?
"Buy a Cummins, and they throw in the truck for free"?

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post #7 of 34 (permalink) Old 12-02-2019, 05:08 PM
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post #8 of 34 (permalink) Old 12-02-2019, 06:31 PM Thread Starter
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Originally Posted by Hook'em_Horns! View Post
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Name a problem and it probably has it. That’s a Duramax.
<img src="https://www.duramaxforum.com/forum/images/smilies/rofl[1].gif" border="0" alt="" title="Rofl" class="inlineimg" />
Tryin' out for the new Cummings troll position.

What's the sayin'?
"Buy a Cummins, and they throw in the truck for free"?
lol pretty much
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post #9 of 34 (permalink) Old 12-02-2019, 06:39 PM Thread Starter
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You mention Cummins - agree they're a good engine, but the tranny and chassis are crap. I can't find anything positive to say about a Powerstroke. But I'm a GM guy - AND YOU'RE ON A DURAMAX FORUM! Sell your your truck if you're so unhappy and move along.
I would have sold my GM months ago when I first but it on the marketplace if anyone were actually interested in these. Only low ballers, or trades. I’d rather be doing donuts during the winter in it then sell it for too cheap. But it’s not wirth it for me to put money into it so it never drives anyway.
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post #10 of 34 (permalink) Old 12-02-2019, 06:39 PM
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I don't get it. I've got more miles on an older truck and it's worth plenty. Especially to me since I haven't paid a truck note in almost 14 years. Of course mine is a 1 owner truck that has been meticulously maintained and is very likely to be still going strong with another 400k-500k miles on it. So what really makes yours so worthless? Most of the stuff I've had to do to my truck was worn out front-end parts and such and those are not expensive. Nor do they take a rocket scientist to install. Surely it can't be as bad as you seem to think?

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