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Old 05-12-2014, 03:14 PM   #1
Buckthetruck
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Join Date: Dec 2012
Location: Florence, SC
Posts: 55
1999 Suburban or 2005 Yukon XL Denali

I am struggling with tow vehicle options right now. I have a 1999 Suburban with a 5.7l and a new transmission in it and a mostly rebuilt front suspension. It is geared with 3.42 (I think) in the rear so it is not real strong on longer hills. I pull a 1975 Airstream with it now and it does well with it, but it could be better. I am toying with the idea of a 1972 Suburban to tow it with, keeping what I have, or there is a local 2005 Yukon XL Denali with the 6.0 for sale for about $5,000.
My current one is fine, but it isn't great. The vintage tow would be cool, but safety concerns me a bit (my wife and 2 kids always come along when towing), and the Denali has me thinking. At that price, it has 240,000 miles but has a rebuilt transmission, new bearings, brakes, shocks, ball joints, tie rods, tires,... The guy at the shop ran down the list of things they have done to it (serviced it since new) and it is basically all new parts except for the motor itself.

My main questions are- how many miles does a well cared for 6.0 go for? Is it worth it to move up from the '99? (mostly considering the safety features and nicer finish) Or is the vintage tow just too cool to even consider anything else?
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Old 05-13-2014, 12:05 PM   #2
83GMCK2500
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Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
Re: 1999 Suburban or 2005 Yukon XL Denali

I have personally seen a 6.0L in a 2005 2500HD work truck that was worked it's entire life and suffered a water pump failure and overheated at 370,000 miles. Cracked the block from cam to crank in a couple webs but those cylinders still had visible cross hatching with very little ridge at the top, couldn't catch with fingernail.

I bought a used 1999 6.0L to have rebuilt for my '83 and same thing...clean inside, very little wear cylinders, pistons, everything in great shape at 200,000 miles.

I don't know what an '05 Denali books for with 240k, but I think it's a great vehicle, definitely worth considering.
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1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350

My Introduction with my '83s History
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Old 05-13-2014, 12:14 PM   #3
Buckthetruck
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Join Date: Dec 2012
Location: Florence, SC
Posts: 55
Re: 1999 Suburban or 2005 Yukon XL Denali

Thanks. All reviews I am reading about that engine are saying 200,000+ and going strong. It is priced under book, even with that mileage. It helps that I can see on screen the maintenance and fixes done since new. Honestly, the innards of the engine are about the only thing that are not new/rebuilt.
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