A strong drivetrain, combined with a capable suspension and numerous available options, makes this truck a solid choice for those who need a little more capability than your average half-ton.

2004 Highlights

A short-bed crew cab model debuts and the base truck's standard features list is plumped up with the addition of cruise control, chrome bumpers and chrome wheels. The Work Truck package is available on all models. Midlevel SLE models get standard foglamps and optional leather seating.

Consumer reviews

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

Overall Consumer Rating

4.310 reviews

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5(50%)

4(30%)

3(20%)

2(0%)

1(0%)

Most helpful consumer reviews

Worst truck I'e ever owned

RockStedE,07/29/2010

Truly a masterpiece of "poor" engineering. 2004 sierra 2500 with a duramax diesel and Alison transmission. Had to replace the intermediate steering shaft the first year. The vehicle constantly looses prime and shuts down. Here's the kicker . The oil pressure gauge flutters and the annoying chime rings constantly indicating low oil pressure. The cluster panel has been changed twice, the

Not Happy!

Roscoe,09/03/2010

This vehicle became a nightmare after about 10,000 miles. First the steering shaft failed ... ? That's right, the steering shaft! Next the instrument cluster had to be replaced since the low oil pressure warning kept chiming. It still chimes uncontrollably after replacing the oil pressure sending unit three times, the oil and filter five times (when it didn't need it), and get this ...

A Nice Truck!

mark1qhorsey,03/12/2004

We've driven a 2004 Sierra 2500HD(crew cab)for about 1000 miles. Roomy, excellent fit and finish and performance. I really like the instruments, (XM radio-rocks!) and seat belts. Yes. It's a nice touch to embed the belts into the front seat backs. Gas mileage is average-13.5 mpg here. The instant fuel economy readout helps optimize mpg. We use 88 octaine. GMC convert.

Light Duty GMC 2500 4X4 Crew Cab SLT

Ameritruck,04/14/2005

2004 light duty Sierra 2500 4x4 crew cab w/6-1/2' box. A very comfortable, capable hauler of people and cargo. Rear seat area is huge. Seats are very comfortable. Ride is a little choppy unloaded, but that is to be expected. Smoother ride than GMC 2500 Heavy Duty. Tracks down the road very nicely. (This next comment is not a flame, I'm a truck guy, not a "brand guy") Much better than

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Features & Specs

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 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 5

4-speed automatic

Gas

300 hp @ 4400 rpm

See all Used 2004 GMC Sierra 2500 features & specs

More about the 2004 GMC Sierra 2500

Used 2004 GMC Sierra 2500 Overview

The Used 2004 GMC Sierra 2500 is offered in the following submodels: Sierra 2500 Crew Cab, Sierra 2500 Regular Cab, Sierra 2500 Extended Cab. Available styles include 4dr Extended Cab 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab SLE 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab SLT 4WD SB (6.0L 8cyl 4A), 4dr Crew Cab SLE 4WD SB (6.0L 8cyl 4A), 2dr Regular Cab Rwd LB (6.0L 8cyl 5M), 4dr Crew Cab SLT 4WD SB (6.0L 8cyl 4A), 4dr Crew Cab SLE Rwd SB (6.0L 8cyl 4A), 4dr Crew Cab SLT Rwd SB (6.0L 8cyl 4A), 2dr Regular Cab SLE Rwd LB (6.0L 8cyl 5M), 4dr Extended Cab Work Truck 4WD SB (6.0L 8cyl 4A), and 2dr Regular Cab Work Truck Rwd LB (6.0L 8cyl 5M).

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

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Should I lease or buy a 2004 GMC Sierra 2500?

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.

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Used 2004 GMC Sierra 2500