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Used 2004 GMC Sierra 3500 Consumer Reviews

4.0 out of 5 stars
19 reviews

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We have a limited number of reviews for the 2004 Sierra 3500, so we've included reviews for other years of the Sierra 3500 since its last redesign.

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Pros
Cons
4.88 out of 5 stars

Duramax Power

BigIron, 05/11/2004
2004 GMC Sierra 3500 4dr Crew Cab SLT 4WD LB (6.0L 8cyl 4A)
5 of 5 people found this review helpful

I haul a 11'6" Lance Legend camper and pull a 8'x12' trailer with it loaded with ATV's and a motorcycle and the truck does all I want it to. I traded a Powerstroke in and I am pleased that I did. It's quite and rides and handles a lot better then my old Ford. I am getting around 12mpg at freeway speeds with this load.

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4.75 out of 5 stars

A Real Truck

TOW MAN, 06/06/2002
2002 GMC Sierra 3500 4dr Crew Cab SLE 2WD LB DRW (6.0L 8cyl 4A)
4 of 4 people found this review helpful

This vehicle has surpassed all our expectations (except for the dealer who is mediocre). The cabin noise level is lower than most of the cars that I have owned in the last 15 years. Build quality is improved over the 95 GMC that I owned. I tow 10 to 13K pound loads on a daily basis. Hauling horses I routinely discuss trucks with other guys at horse events. I find that I can out haul them, get slightly better gas mileage and the TRUCK IS IN THE SHOP less than my Ford F350 friends (one of whom has sold his to buy a Chevy 3500). If you are looking for a real work rig, this is it.

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4.88 out of 5 stars

2004 3500 Duramax 6.6 SLT DRW Crew Cab

Pilot, 04/18/2008
2004 GMC Sierra 3500 4dr Crew Cab SLT Rwd LB DRW (6.0L 8cyl 4A)
3 of 3 people found this review helpful

I've had this truck for almost 4 years, and I have nothing but good to say. I have a 37' 5th wheel, which when loaded is right at 16300 lbs and it pulls it great. Now I'm not going to tell you that I don't know the 5th wheel is back there, but this truck is a joy to drive while pulling. She'll be paid for in a couple of months, and I plan to keep her for a long time.

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1 out of 5 stars

Piece of crap

Carlos Fernandez, 05/08/2004
2004 GMC Sierra 3500 4dr Crew Cab SLT 4WD LB (6.0L 8cyl 4A)
6 of 8 people found this review helpful

This was the worst vehicle i ever had. It broke down right as i was pulling out of the dealership. The dealership then actually charged me for towing it the 10 feet to the service area!! Turns out the axle was faulty. They also found that the radiator leaked too.

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2 out of 5 stars

I will never own a GMC product again

mikep16, 12/24/2013
updated 01/03/2018
2004 GMC Sierra 3500 4dr Extended Cab SLT 4WD LB (6.0L 8cyl 4A)
5 of 7 people found this review helpful

It is no wonder GMC's cannot compete with Ford any longer. I was sent an email to update this -12/29/17. Not sure why! Still the same title for sure but now worse, entire dashboard is not functional, speedo does not work, all other gages peg out when starting the truck. At least it is running-mostly. I have to hand pump the diesel filter to get the truck to start. Happens about once a month or so. (no it is not standar maintenance issue). Replacing the batteries annually now (seems something is draining them when I am not looking!) I have received a call from Cust support about the dealer charge offering to reimburse some payment. I would have even considered changing my review if he would have helped. Then he disappeared! From the Dealer using my truck to tow the owners horse trailer (when turned in for maintenance) and adding 100 miles to it...to the more than $3000 I had to put into the electrical within 3 months-to the instrument panel stopping to work (speedo, then oil pressure, then battery-which comes and goes) $900 fix it so I just use a GPS for my speedo-to the rattle in the steering because of design issue always going out....to the electric seat positioning clicking 7-8 times before settling into place-to now the heater/AC blower stopped working and a cost of $750 to fix it at PEP Boys. Thanks to youtube the heater fix will only cost me $150 in parts. (my friend just had the same thing happen to his Tahoe and had to pay $750) The heater went out again in a couple of weeks. replace resistor again, heater stopped again! Either this truck is a lemon OR my favorite GMC's are on their way out of business. (I am in Quality management and would not have allowed anything close to this happening where I work)

Performance
1 out of 5 stars
Interior
1 out of 5 stars
Comfort
4 out of 5 stars
Reliability
1 out of 5 stars
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