With its powerful engine lineup and revised interiors, the heavy-duty Sierra makes a strong case for itself against the competition, but questionable build quality keeps us from calling it best in class.

2004 Highlights

Base trucks get upgraded via newly standard cruise control, chrome wheels, chrome rear bumper and chrome grille surround. The SLE trim adds foglamps to its generous list of features. The Work Truck Package (with unique grille treatment) is now available on all models. Lastly, a trio of new colors, Sand Beige Metallic, Silver Birch and Sport Red Metallic debut.

Consumer reviews

Read what other owners think about the 2004 GMC Sierra 2500HD.

Overall Consumer Rating

4.323 reviews

Write a review See all 23 reviews

5(61%)

4(22%)

3(4%)

2(9%)

1(4%)

Most helpful consumer reviews

Duramax Powered

Montana diesel,02/24/2010

I have the 2nd generation LLY Duramax engine in mine and i love it. I had to replace the injectors when i bought it at 130,000 but other than that i have just been upgrading. The ride is great, the seats are comfortable, the fuel economy is good, 20-24 highway, 15-18 city, if i keep my foot out of it(hard to do with 400 HP and 600LbFt of torque on tap). I have not had any major

GMC 2500HD 4 years later

Steve Coleman,04/24/2009

Truck has been overall a good unit. Windsheild leak when new at passenger floorboard and behind dash. Took 1 year for local dealer to finally fix. Climate Control slow to activate fan, really noticable on hot days, seems I have to press brake pedal to start blower (wierd). Trans will sometimes start in 2nd gear, then shift to 1st. Usual problems with intermiediate steering shaft (now

2004 Duramax

LyleT,09/09/2004

Absolutely the best truck I have ever owned. During it's maiden break-in run I got 23.8 mpg. When engine is broken in mileage should be even better. I drive between 55-65 mph and this seems to be the "sweet spot" for performance. Got it to haul our slide in camper and this will be no problem now. (Not like our 91 Silverado which on it's best day with only one person

another awesome gm truck

ronald tootle,10/16/2004

this is the fifth (sixth if you count my Tahoe) gm truck that i have had and it is by far the best. talk about reliable. a heavy duty truck that has no problems pullikng my triler in any clime and place. in the snow, on the beach, it does not matter. talk about space, i have two kids and a dog and we travel with no problems, even on long trips. i will never own

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Features & Specs

MPG

N/A city / N/A hwy

Seats 5

4-speed automatic

Gas

300 hp @ 4400 rpm

MPG

N/A city / N/A hwy

Seats 5

4-speed automatic

Gas

300 hp @ 4400 rpm

MPG

N/A city / N/A hwy

Seats 6

4-speed automatic

Gas

300 hp @ 4400 rpm

MPG

N/A city / N/A hwy

Seats 6

4-speed automatic

Gas

300 hp @ 4400 rpm

See all Used 2004 GMC Sierra 2500HD Crew Cab features & specs

More about the 2004 GMC Sierra 2500HD

Used 2004 GMC Sierra 2500HD Crew Cab Overview

The Used 2004 GMC Sierra 2500HD Crew Cab is offered in the following styles: 4dr Crew Cab SLT 4WD LB (6.0L 8cyl 4A), 4dr Crew Cab SLT 4WD SB (6.0L 8cyl 4A), 4dr Crew Cab 4WD LB (6.0L 8cyl 4A), 4dr Crew Cab 4WD SB (6.0L 8cyl 4A), 4dr Crew Cab SLE 4WD LB (6.0L 8cyl 4A), 4dr Crew Cab SLE 4WD SB (6.0L 8cyl 4A), 4dr Crew Cab SLT Rwd LB (6.0L 8cyl 4A), 4dr Crew Cab SLE Rwd LB (6.0L 8cyl 4A), 4dr Crew Cab SLE Rwd SB (6.0L 8cyl 4A), 4dr Crew Cab SLT Rwd SB (6.0L 8cyl 4A), 4dr Crew Cab Work Truck 4WD LB (6.0L 8cyl 4A), 4dr Crew Cab Work Truck 4WD SB (6.0L 8cyl 4A), 4dr Crew Cab Work Truck Rwd SB (6.0L 8cyl 4A), 4dr Crew Cab Rwd SB (6.0L 8cyl 4A), 4dr Crew Cab Work Truck Rwd LB (6.0L 8cyl 4A), and 4dr Crew Cab Rwd LB (6.0L 8cyl 4A).

What's a good price on a Used 2004 GMC Sierra 2500HD Crew Cab?

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Which used 2004 GMC Sierra 2500HD Crew Cabs are available in my area?

Used 2004 GMC Sierra 2500HD Crew Cab Listings and Inventory

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Find a used GMC Sierra 2500HD for sale - 2 great deals out of 19 listings starting at $8,016.

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Should I lease or buy a 2004 GMC Sierra 2500HD?

Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.

Used 2004 GMC Sierra 2500HD Crew Cab

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