Overview & Reviews

Reliability improvements for all Vortec V6 and V8 engines top the list of changes this year. Consequently, oil-change intervals have been extended to 7,500 miles. A traction assist feature is now available on two-wheel-drive V8 automatics, thanks to a new electronic throttle control system. Factory-installed OnStar, GM's mobile communications and security system, has been made standard with the SLT trim level. New this year is a 325-horse, all-wheel-drive performance version called the C3.

• Powerful V8-engine selections, handsome styling, comfy cabins.

• Spotty interior fit-and-finish concerns, premium brand carries a premium price.

User Reviews:

Showing 31 through 40 of 49.00

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  GMC Hard to Beat - 2001 GMC Sierra 1500
  By William henry - March 1 - 2:00 am

  Absolutely almost 3 years trouble free use, everything from pleasure driving (500 mile trips) to hauling hay or livestock. Never a wimper, never a miss. Pull a 4,000 pound tractor plus implements and trailer and you never know you have anything in tow using the tow mode. Will surely buy another.

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  excellent vehicle - 2001 GMC Sierra 1500
  By kbgmc - February 14 - 10:00 am

  2001 GMC Sierra ext. cab 5.3 liter, 38,000 miles. Excellent truck, no problems, the 5.3 is quick. mpg not the best, only 16.5-17. no problems. recommend GMC to anyone.

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  GMC Sierra 01 - 2001 GMC Sierra 1500
  By brian - December 11 - 2:03 pm

  I have had very limited troubles with this truck. It is a little harder on batteries due to the heated seats, etc. but that is the price you pay for the luxury. The OnStar option seems nice, but I have not taken advantage of it. I believe the SLT is the (affordable) Cadillac of trucks. I look forward to being able to upgrade to a crew cab soon.

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  GMC Sierra - 2001 GMC Sierra 1500
  By BJ Kirk - November 26 - 6:16 pm

  We bought this truck with traveling in mind. Havent retired yet, but we drive the truck every day and also driven it during vacations. Its equipped with a vortec 5.3L engine; in our opinion one of the best; along with many ammenities. Weve driven it for 5 yrs and its reliability is second to none. The cruise control is simple to use and the large bucket seats are comfortable. Also like the tilt steering wheel.

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  Color mine yellow - 2001 GMC Sierra 1500
  By Jack Thomas - July 19 - 10:00 am

  What can I say...bought it in May, 02. In the shop four times by Sept. 1 02. Quality, workmanship, seems like it was just slapped together. GM has been no help.....preparing my lemon paperwork...brakes, cracked exhaust manifold, trans spline sheared off, starter failed, and for some reason the right side headlight has burned out 4 times since I bought it!

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  I love this truck - 2001 GMC Sierra 1500
  By drgroth1 - October 29 - 3:00 am

  I have driven this truck cross country several times, a few of these trips required towing another car behind. I went through Colorado and had no trouble keeping up with the rest of the traffic even though I was fully loaded and towing a loaded car behind me up the mountains. I have driven in snow in Minnesota and even though I do not have four wheel drive I did not have any problems, I did have snow tires installed. I get 20mpg, which is great for a truck. I cannot say enough good about this vehicle.

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  GREAT!! - 2001 GMC Sierra 1500
  By HOtPiNk037 - May 25 - 2:00 am

  This is a really great truck. Very realiable and comfortable. You can depend on it. Smooth driving and very clean. Enjoyable. Nice truck.

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  Great all around truck - 2001 GMC Sierra 1500
  By TAZ427 - April 11 - 2:00 am

  This is a great all around truck. Its comfortable and makes a good daily driver, while rugged enough to do the odd jobs such as hauling lumber, dirt, gravel, and the family. One of the things that impressed me the most is the ride comfort, while still be able to haul a big load.

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  dependable ride - 2001 GMC Sierra 1500
  By alphonse - February 5 - 2:13 pm

  purchased new in 01,in 8 yrs the truck has had very few problems. passenger side seat belt tightens up on its own, & the interior light switch had a short.Oe tires had to be replaced at 35k, & the on star system is no longer compatible with the new digital system. fuel mileage averages about 17 in mixed driving, 20mpg is achievable on long highway travel.I would buy another gmc if we wear this one out, brakes still have about 60% life left.

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  The Sierra, #1 Pick - 2001 GMC Sierra 1500
  By CRSTPR - November 9 - 2:00 am

  If youre looking for something larger than a S-10 that will pin you in your seat when you want it too then the 5.3 Sierra should be a top choice for the consumer. With the proper trim, you think youre riding in a Escalade