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 11 through 20 of 49.00

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  Professional Grade??? - 2001 GMC Sierra 1500
  By Going Back to Ford - February 6 - 10:00 am

  After 2 Fords with over 100000 on each and relatively no trouble, I suddenly have a hole in my 2001 GMC engine block. The GMC hotline has been very vague about service since I am now at 42000 miles and the dealer tries to ignore my calls every time I try to get an answer if this is a factory issue. If this thing ever gets out of the shop I will NEVER own another GMC product!

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  Awesome Truck - 2001 GMC Sierra 1500
  By Truck User - November 7 - 10:00 am

  Truck has exceptional power (5.3). Towing 7000# skid loader a breeze. Fully satisfied with truck. Seating is great with the center console. Just like captains chairs in a van. The only change I would make is to opt for 4 full doors versus the extended cab.

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  2001 GMC 4x4 5.3 Z 71 SLE - 2001 GMC Sierra 1500
  By Joe D - September 2 - 10:00 am

  Overall Ive been fairly easy on this truck but occasionally have hauled very heavy loads. No problems. The smooth ride was a surprise to me. Engine performance is great. Milage is ok if you take it easy, otherwise it uses quite a bit. I think the interior is nice (despite what Edmonds say). Its a nice riding/functional truck. Cant find anything wrong with this truck yet (in almost 2 years).

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  2001 GMC Sierra 4WD SLE LB 5.3 Liter - 2001 GMC Sierra 1500
  By DEBORAH NICKE - July 21 - 2:23 pm

  I gave lower scores on the interior design only because of the seat belts. All GM seat belts are really poorly designed for comfort. Also, all GM vehicles seem to have some kind of electrical problems or "glitches". Otherwise, this is an awesome vehicle with little or no problems. This truck does seem to lose about 1 quart of oil within the first 1,000 miles after each oil change, for some reason. I was told this is normal, however. Even if the synthetic oil is used, it will lose about a quart & needs to be added before next change schedule after about 3,000 miles.

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  knock knock - 2001 GMC Sierra 1500
  By whoa there - June 26 - 10:00 am

  this truck is running very welland i likethe powerand ride. the brakes are weak ,no feel to them . you have to stomp on pedal. i am discovering a knock on start up and when idling.i willtaketo dealersoon to check. haveowned truck 1 yr. and enjoyed driving immensely.

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  Good truck with lots of extras - 2001 GMC Sierra 1500
  By art5121 - February 24 - 10:00 am

  I have 11,500 miles on this 1-year old truck. Ive owned many vehicles in my 25 years of driving, and honestly think this is the best truck on the road. The ride is smooth (better than many cars), the 5.3 liter engine is strong, and the fuel mileage beats the heck out of a Dodge. Ive owned Chevy and GMC trucks before, and I agree with many other people who say the re-design of these vehicles put them in a class to be envied.

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  the truck that loves to rap and roll - 2001 GMC Sierra 1500
  By bopat - February 24 - 10:00 am

  Truck is sharp.Truck makes Rapping Noise starting cold all the time, Now does it when warm, untill op temp. Then ok. Like the day we put out $28K for it. When normal its great. When cold makes my Buds laugh. Myself I want to CRY! Been to the dealer 4 times they say its normal. Why didnt it do it when I bought it. I wouldnt have bought it. GM Customer service told me on the to learn to live with it! I cant believe they said that to me.I think I would not have bought a GM! Its had a cam and lifters also. Body creaks, groans drive line clunk. Do your self a favor dont buy one of these trucks.

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  Great Truck - 2001 GMC Sierra 1500
  By Gary - June 8 - 5:06 am

  Overall this was a fun truck to own and drive. The fact that Im sitting here typing is a testiment to how well its built. I rear ended a semi- trailer at approx 50 MPH on the ice. Bumper went under read of trailer and engine took full impact. No air bag deployment becuase of this, but I was safe and sound. My only complaint would be that ALL GM trucks 1999 to 2001 have an issue with air leakage on the passenger side, making it extremely uncomfortable for the passenger in cold climates. Despite the fact I have a repair bulletin on this GM acted dumb abouot the problem the times I called to complain.

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  GMC (Grand Mas Chariot) - 2001 GMC Sierra 1500
  By bfrano - October 26 - 5:23 am

  Have driven on different vacations R/T East - West, North - South. Each time the grandkids were present and traveled comfortably. A good feature is that on "Antiqueing" trips, I can purchase an item and not have to worry about the cost of freighting the items. Recently, I test drove a Tahoe, Yukon, and and an Expedition because I needed a set of step sides/running boards. Afterwards, I decided to keep my GMC truck and buy the accessories.

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  POOR GMC - 2001 GMC Sierra 1500
  By POOR GMC - October 12 - 7:06 am

  THE 4.8 WILL NOT TOW ANYTHING. IT HAS TROUBLE PULLING ITSELF UP SMALL HILLS IN OVERDRIVE. POOR GAS MILEAGE.