Used 2002 GMC Sierra 1500 Extended Cab


Pros & Cons

  • Powerful V8-engine selections, numerous configurations, comfy cabins.
  • Spotty fit-and-finish concerns, low-grade interior materials.
List Price Estimate
$1,366 - $2,759

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Edmunds' Expert Review

GMC advertising claims Sierra is a "professional grade" truck. With stout engines, roomy cabs and rugged good looks, the Sierra impresses. But the cabin is constructed of rather cheap parts, and we've found fit-and-finish concerns on several Sierras. That doesn't spell "professional grade" to us.

Vehicle overview

Now entering its fourth model year in current guise, GMC's full-size Sierra pickup continues along the refinement trail for 2002. While it shares a platform and components with Chevrolet's Silverado, the Sierra benefits from styling and feature enhancements to position the GMC as a "professional grade" truck.

Looks and special content aside, the biggest draw for GMC's half-ton pickup is a first-class engine lineup. The base Vortec 4.3-liter V6 provides a solid 200 horsepower and 260 pound-feet of torque for light-duty towing and hauling. If a V8 is more to your liking, there are two to choose from. A 4.8-liter V8 rated at 270 hp and 285 lb-ft of torque is standard on all half-ton extended cab Sierras. For a little extra get up and go, order the 5.3-liter V8 rated at 285 hp and 325 lb-ft of torque. Both engines move the Sierra along with surprising speed while delivering as much as 20 miles per gallon on the highway.

Transmission choices are limited to a five-speed manual or a four-speed overdrive automatic. The five-speed manual is standard equipment on all Sierra 1500s equipped with either the 4.3-liter V6 or 4.8-liter V8. The four-speed automatic that features a driver-selectable tow/haul mode for firmer shifts under load is optional with the 4.3-liter and 4.8-liter engines and the only choice on 5.3-liter-equipped Sierras.

Underneath, all Sierra 1500s utilize an independent suspension in front (coil springs on 2WD, torsion bars on 4WD) and a straight axle leaf spring setup in the rear. A notable change for this year is the switch to the Z85 firm-ride package as standard equipment on all half-ton Sierras. For a cushier ride, the Z83 soft ride suspension is still available. Or you can check the ZX3 option, which provides a dash-mounted switch that can alternate between both firm and soft suspension settings. With the proper equipment, a Sierra 1500 can tow up to 9,200 lbs.

Like most full size trucks, the Sierra comes in a variety of configurations, including regular (two-door) or extended (four door) cabs, short (6.5-foot) or long (8-foot) beds, Wideside or Sportside box designs, and rear- or four-wheel-drive versions. A choice of three trim levels (SL, SLE or SLT) and a dizzying array of options and equipment packages are available to customize your truck exactly the way you want it.

For the ultimate half-ton Sierra look no further than the Sierra Denali. Debuting as the C3 last year, the renamed Sierra Denali features a luxurious interior, sharply styled exterior, and exclusive hardware not available on any other GMC half-ton. The Sierra Denali gets the first application of GM's new Quadrasteer four-wheel steering system that shaves nearly ten feet off the Denali's turning circle as well as improving high-speed stability while towing a heavy trailer. A 6.0-liter, 325 horsepower V8 provides the power while a heavy-duty four-speed transmission and full-time all wheel drive put all the power to the ground. Heavy-duty ¾ ton brakes, a performance-tuned suspension and a standard towing package round out the Denali's impressive equipment list.

Upgrades to the Denali's interior include six-way power heated bucket seats, an in-dash six-disc CD changer, steering wheel audio controls, a comprehensive trip computer, and two-tone leather upholstery.

All Sierras feature a roomy interior with ample storage space, straightforward controls, and a full complement of safety and convenience features. Rear seat accommodations in extended cab Sierras are surprisingly comfortable with easy access provided by clamshell-style rear doors on both the passenger and driver sides. All the available options and features are too numerous to list here, but needless to say, if you can't find it on a Sierra, it probably doesn't come on a full-size pickup. So whether you're looking for the most basic V6 regular-cab, or the fully decked-out Sierra Denali, GMC's half-ton Sierra has something for everybody.

2002 Highlights

The Sierra C3 gets a name change to Sierra Denali in addition to a trick new four-wheel steering system. On standard Sierras, the previously optional Z85 firm-ride suspension is now standard on all 1500 models for improved handling and towing capacity. Base SL models now include air conditioning while uplevel SLE and SLT models add deep-tinted glass to the standard feature list.

Consumer reviews

Read what other owners think about the 2002 GMC Sierra 1500.

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Most helpful consumer reviews

Best Truck Ever
Joe K.,08/12/2009
This truck was two years old, with 33,000 miles when I purchased it (Certified Used). I use this pickup on our family farm and to drive to work, resulting in 40K miles each year. This is the best truck, fantastic engine 5.3, great power reasonable fuel economy. No complaints with the 4WD, I use it frequently. Currently, the truck has over 200K miles, the service record is brief: 5 years old replace rear brakes (still have not replaced front brakes),6 years old replace battery just to be on the safe side, Fuel pump replaced at 175K miles, my fault for not ever replacing the fuel filter. At 180K had to replace the front UJoint. Plan to trade the truck in on a similar equipped 2008 model Sierra.
The Professional Grade!!!!!!
My GMC Sierra is a great truck! It rides great and it handles very well. The only thing i don't like about it, is its a 2WD but I would probably never use it if i did have it and I have to say it has been the most reliable vehicle i have ever had. My dad bought it in 2002 new and gave it to me when he bought a new car. It only has 86,000 miles on it and i have to say for a truck that's not a lot. Knock on wood I have never had to take it in for any work other than to get it serviced. I don't like the gas mileage it gets 13 MPG in town but it does have the 5.3L V8 so what do you expect. But i love the truck and i hope to have it for a long time.
I love this truck only had it a year, but 4 wheel steering should come standard on all cars and trucks.The interior is great. The look is even better!! The power of the 6 liter is awsome. Fuel mileage is not so good, but I guess you have to give up something for all the power. Theses trucks have all the bells and whistles This is truly a sports car in a truck skin! Only downside is I can't afford 2
2 Year Old Denali
I have owned my Denali for 2 years now. Up until the warranty ran out I did not have any problems. Now problems with the drive shaft, steering, and transmission. I am have taken excellent care of my truck and wouldn't think of even getting it muddy. However, now I am thinking about trading it in on something with fewer problems. Your adverage Joe will not touch this truck for repairs. Getting parts has been impossible and even dealers can't order the right ones (parts). I love the look, the comfort, the whole package of this truck and hate to part with it. This truck gets more attention than I do!

Features & Specs

14 city / 18 hwy
Seats 6
4-speed automatic
270 hp @ 5200 rpm
13 city / 16 hwy
Seats 6
4-speed automatic
270 hp @ 5200 rpm
14 city / 18 hwy
Seats 6
4-speed automatic
270 hp @ 5200 rpm
13 city / 16 hwy
Seats 6
4-speed automatic
270 hp @ 5200 rpm
See all Used 2002 GMC Sierra 1500 Extended Cab features & specs


IIHS Rating
The Insurance Institute of Highway Safety uses extensive crash tests to determine car safety.
  • Side Impact Test
    Not Tested
  • Roof Strength Test
    Not Tested
  • Rear Crash Protection / Head Restraint
  • IIHS Small Overlap Front Test
    Not Tested
  • Moderate Overlap Front Test

More about the 2002 GMC Sierra 1500

Used 2002 GMC Sierra 1500 Extended Cab Overview

The Used 2002 GMC Sierra 1500 Extended Cab is offered in the following styles: 4dr Extended Cab SL 2WD LB (4.8L 8cyl 4A), 4dr Extended Cab SL 4WD LB (4.8L 8cyl 4A), 4dr Extended Cab SL 2WD SB (4.8L 8cyl 4A), 4dr Extended Cab SL 4WD SB (4.8L 8cyl 4A), 4dr Extended Cab 2WD LB (4.8L 8cyl 4A), 4dr Extended Cab SLE 2WD LB (4.8L 8cyl 4A), 4dr Extended Cab SLE 2WD SB (4.8L 8cyl 4A), 4dr Extended Cab 4WD LB (4.8L 8cyl 4A), 4dr Extended Cab 4WD SB (4.8L 8cyl 4A), 4dr Extended Cab 2WD SB (4.8L 8cyl 4A), 4dr Extended Cab SLE 4WD LB (4.8L 8cyl 4A), 4dr Extended Cab SLE 4WD SB (4.8L 8cyl 4A), and 4dr Extended Cab Denali AWD SB (6.0L 8cyl 4A).

What's a good price on a Used 2002 GMC Sierra 1500 Extended Cab?

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Which used 2002 GMC Sierra 1500 Extended Cabs are available in my area?

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Can't find a used 2002 GMC Sierra 1500 Sierra 1500 Extended Cab you want in your area? Consider a broader search.

Find a used GMC Sierra 1500 for sale - 4 great deals out of 14 listings starting at $12,251.

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Should I lease or buy a 2002 GMC Sierra 1500?

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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Check out GMC Sierra 1500 lease specials