Used 2002 GMC Sierra 2500HD Extended Cab

2002 GMC Sierra 2500HD
2002 GMC Sierra 2500HD


  • Class-leading horsepower and hauling capacity, roomy interior.


  • Unproven engines and drivetrains, cheap interior materials.
GMC Sierra 2500HD years

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Edmunds' Expert Review

GMC makes a pretty good pick-'em-up, if powerful engines are your thing. But it has a ways to go to match the Ford F-250 Super Duty when it comes to the quality of the materials and rugged good looks.

vehicle overview

Debuting last year with an all-new design, the Sierra 2500HD is one tough truck built to handle the most severe on-the-job duties. Although it does share some engine and drivetrain components with the standard 2500, this heavy-duty model features additional hardware that allows it to boast some of the highest tow ratings of any truck on the market.

GMC prides itself on being called "Professional Grade," so stout drivetrains are a must. The base engine on the 2500HD is a 6.0-liter Vortec V8 rated at 300 horsepower and 360 pound-feet of torque, easily out-muscling Ford's 5.4-liter Triton V8 (260hp, 350 lb-ft) and Dodge's 5.9-liter V8 (245hp, 345 lb-ft). If that's not enough grunt under the hood, the Sierra offers two even more powerful options: an 8.1-liter Vortec V8 or the 6.6-liter Duramax turbodiesel. The Vortec 8100 boasts an impressive 340 hp and 455 lb-ft of torque, higher numbers than even its competitor's V10s can muster. The Duramax diesel also generates impressive power with 300 hp and 520 lb-ft of torque.

All that power won't do much unless there's a sturdy transmission behind it to put it to the ground. All 6.0-liter-equipped 2500s come with the New Venture 4500 five-speed manual as standard equipment, while the 4L80-E four-speed automatic is optional. All Sierras equipped with either the Vortec 8100 or Duramax turbodiesel come standard with a ZF six-speed manual featuring fully synchronized gears, synthetic gear oil and an ultra-low first gear for smooth slow-speed maneuvering. Optional on the big engines is an Allison 1000 five-speed overdrive automatic. This transmission is electronically controlled for precisely timed shifts and will automatically downshift on grades to provide engine braking. It's also the first automatic transmission to feature Power Take-Off (PTO) capability, delivering up to 250 lb-ft of continuous torque to worksite equipment.

Supporting all this heavy-duty hardware is a fully independent torsion bar suspension in front and a semi-floating solid axle in the rear with two-stage leaf springs. Four-wheel disc brakes with ABS and GM's Hydro-Boost brake proportioning system are standard on all models. Standard tires are E-load range 245/75R16s mounted on eight-lug steel wheels. Maximum towing capacity for 6.0-liter-equipped Sierras is 10,500 pounds while Vortec 8100 and Duramax diesel-equipped models can tow up to 12,000 pounds on a standard trailer.

All Sierras are available in three different trim levels: SL, SLE and SLT. SL trim trucks come standard with a 40/20/40 split bench seat, air conditioning, a tilt steering wheel, 17 function driver message center and deep tinted glass. Mid-grade SLE models add power windows and door locks, remote keyless entry, an AM/FM/CD stereo, cruise control and a leather-wrapped steering wheel. Top-of-the-line SLTs come with power heated leather seats, the OnStar communications system, a self-dimming rearview mirror with a built-in compass and power heated exterior mirrors. With big, comfortable seats and a solid ergonomic design, all Sierras sport roomy cabins with plenty of head, leg and hip room. Extended cab models have a surprising amount of space for rear-seat passengers and clamshell rear doors on both sides for easy access.

While we don't think the evolutionary styling of GM's heavy-duty pickups connotes the brute appeal of a Ford Super Duty or the big-nosed 3500-series Dodge, we do know that they will beat them when it comes to good ol' pullin' and haulin.' Regardless of what configuration you choose, GMC's 2500HD will provide all the power and capability you'll ever need along with a comfortable interior and a smooth ride.

2002 Highlights

Fully redesigned last year, the Sierra 2500HD gets only minor updates for 2002. Air conditioning is now standard on all trim levels along with extendable sunshade visors and redesigned exterior badging.

Consumer reviews

Read what other owners think about the 2002 GMC Sierra 2500HD.

Overall Consumer Rating

Most helpful consumer reviews

2500HD 4x4 6.0L
I really love this truck. I call it "big truck". I don't like the gas mileage, aprox 13 mpg but what could I expect. It definilety has the pulling power, and the acceleration that I would want. I drove a couple of F-250's and I just didn't like the ride quality as much as I do this truck. I'm very happy with this truck
Review of 2002 GMC Sierra 2500HD 4WD
R Freni,05/07/2003
This is my second GMC Sierra 2500HD in the past two years, I love both of them. I have the 6.0L Engine (the smallest engine that I believe they put in this truck) in my truck and I have yet to find anything that I can't tow with it. The tow/haul feature works great. All in all this truck rides great, tow's great and plows snow great (if you haven't figured it out yet I think these trucks are GREAT!)I have not yet had to bring them back to the dealership for any type of repair other than normal service.
Great truck
I work in the oil patch in northern Alberta and this truck really works well here! I have the 8.1 liter gas pig but I don't care about fuel economy because it is so fun to drive! I have no problem keeping up to diesel's and some times pass them on big hills. I love the design, the ride is great and it really rips when you want it too. I tow a 10,000 flare stack regularily and this truck doesn't back down at all.
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Features & Specs

N/A city / N/A hwy
Seats 6
4-speed automatic
300 hp @ 4400 rpm
N/A city / N/A hwy
Seats 6
4-speed automatic
300 hp @ 4400 rpm
N/A city / N/A hwy
Seats 6
4-speed automatic
300 hp @ 4400 rpm
N/A city / N/A hwy
Seats 6
4-speed automatic
300 hp @ 4400 rpm
See all Used 2002 GMC Sierra 2500HD Extended Cab features & specs
More about the 2002 GMC Sierra 2500HD
Used 2002 GMC Sierra 2500HD Extended Cab Overview

The Used 2002 GMC Sierra 2500HD Extended Cab is offered in the following styles: 4dr Extended Cab SL 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab SL 4WD LB (6.0L 8cyl 4A), 4dr Extended Cab 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab 4WD LB (6.0L 8cyl 4A), 4dr Extended Cab 2WD SB (6.0L 8cyl 4A), 4dr Extended Cab SLE 4WD SB (6.0L 8cyl 4A), 4dr Extended Cab SLE 4WD LB (6.0L 8cyl 4A), 4dr Extended Cab SL 2WD LB (6.0L 8cyl 4A), 4dr Extended Cab 2WD LB (6.0L 8cyl 4A), 4dr Extended Cab SL 2WD SB (6.0L 8cyl 4A), 4dr Extended Cab SLE 2WD LB (6.0L 8cyl 4A), and 4dr Extended Cab SLE 2WD SB (6.0L 8cyl 4A).

What's a good price on a Used 2002 GMC Sierra 2500HD Extended Cab?

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Which used 2002 GMC Sierra 2500HD Extended Cabs are available in my area?

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Find a used GMC Sierra 2500HD for sale - 8 great deals out of 19 listings starting at $22,410.

Find a used GMC for sale - 3 great deals out of 8 listings starting at $18,921.

Find a used certified pre-owned GMC Sierra 2500HD for sale - 11 great deals out of 16 listings starting at $24,122.

Find a used certified pre-owned GMC for sale - 9 great deals out of 9 listings starting at $8,957.

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Should I lease or buy a 2002 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.

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