2004 GMC Sierra 2500 Extended Cab Review | Edmunds.com

2004 GMC Sierra 2500 Extended Cab

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GMC Sierra 2500 Features and Specs

Features & Specs

  • Engine 6.0 L V 8-cylinder
  • Drivetrain Four Wheel Drive
  • Transmission 4-speed Automatic
  • Horse Power 300 hp @ 4400 rpm
  • Fuel Economy 0/0 mpg
  • Bluetooth No
  • Navigation No
  • Heated Seats Yes

Review of the 2004 GMC Sierra 2500

  • 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.

  • Safety
  • Pros

    Powerful drivetrain, competitive tow rating, innovative features, spacious interiors.

  • Cons

    Low-quality interior materials, questionable build quality.

  • What's New for 2004

    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.

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Gas Mileage

EPA-Rated MPG

  • Not Available
  • cty
/
  • Not Available
  • highway
Calculate Yearly Fuel Costs
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What Others Are Saying

Customer Reviews



Love this truck

by on
Vehicle: 2004 GMC Sierra 2500 4dr Extended Cab SLT 4WD SB (6.0L 8cyl 4A)

I have the 2500HD 6.6L Diesel 4x4 Crew Cab SB. This is my third GM 4x4 truck, but first diesel. I tow an RV and put dirt bikes in the back and it drives like I have nothing attached and nothing in the back. I can accelerate going up hills on the freeway fully loaded towing the RV. The interior noise is quieter than my wife's Chevy Blazer. The stereo absolutely rocks, and the seat heaters are so nice - even in San Diego CA! This is the best truck ever made.



2 of 2 people found this review helpful

2004 sierra2500 4x4 crew cab

by on
Vehicle: 2004 GMC Sierra 2500 4dr Extended Cab SLT 4WD SB (6.0L 8cyl 4A)

Great truck, still getting used to the new front end grill( I liked 99-02 best) I previously owned a 2000 z71 sierra slt. Just bought 2004 SLT 2500 crew cab 4x4. They dont include under the hood courtesy light, they eliminated one of the cigarette lighter power input. the 2004 has 6l vortec which is a huge pig compared to 5.3 vortec in my old 2000. the new computer stuff is pretty cool. I am getting on average 10mpg on the 6 liter, I used to get 18- 19 on the 5.3 motor. The first thing to go will be the air cleaner swap with an Air aid or K&N type of element. dramatic horsepower and fuel economy increases should be expected.



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Full 2004 GMC Sierra 2500 Review

What's New for 2004

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.

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