Overview & Reviews

Quadrasteer is no longer available on 2WD models, standard wheel sizes have been bumped up to 17 inches and, on extended and crew cab models, a power sunroof that includes HomeLink and a deluxe overhead console in now optional. GMC takes a step backward this year with the return of rear drum brakes, as opposed to last year's four-wheel disc setup. Big changes for the Denali this year -- Quadrasteer is no longer available, and the Denali is now a crew cab model only. A gasoline/electric hybrid model is also introduced this year. Basically a "mild" hybrid, the system provides no power boost, but does allow for automatic engine startup and shutdown at stops. This truck also comes with four 120-volt AC power outlets and is the only Silverado with rear disc brakes this year. The hybrid truck is only available in Western states and Florida.

• Roomy extended and crew cab models, strong V8 engines, innovative features, slick hybrid electric option.

• Lags the competition in terms or refinement and power, spotty fit and finish, low-grade interior materials.

User Reviews:

Showing 1 through 10 of 67.00

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  One Sweet truck ! - 2005 GMC Sierra 1500
  By Patrick Carney - September 26 - 5:20 am

  I love this truck. I use this as an all around truck, and it is perfect for a medium weight trailer. I towed a Kubota back hoe, front end loader on a heavy duty twin axle rental trailer, and you could feel the weight kick you around. My buddy owns the same truck, and he installed air bags in the rear suspension and it greatly improved the trailer handling. Most of my driving is city mileage and short trips. Mileage is 14.2mpg for cit driving. On a long trip, with no added weight, I averaged 23.5 to 24 Mpg at 70 mph. I wasnt really impressed with its take off or low end torque, but I have to say that unloaded its power is deceiving. Its so smooth in its power delivery, but watch the speedo rocket .

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  Crew cab 4X4 - 2005 GMC Sierra 1500
  By Wesley Willits - April 17 - 2:16 am

  I love the truck, but I have had it in the shop many times within the first couple months of owning it. I had to replace the radio, because it kept shutting off. I had to replace the shift cable, because the transmition was slipping. There have also been problems with the front passenger shock, dash, and bed squeeking. Along with wind noise from the front windshield. I have also noticed less fuel economy than my previous 5.3 from 17mpg to 15mpg, and a loss in low-mid range power (not towing).

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  Great Ride - 2005 GMC Sierra 1500
  By Jerry - March 4 - 4:36 am

  Mine is a two door sportside with the small V8. The truck handles great, and corners like a sports car. Its a fun vehicle to drive. I have a black truck with a tan interior and I had to go to Arkansas from Texas to get that combination. There were only three in the country that had the combination I wanted. If you are looking for a good looking and fun truck, look at the GMC Sierra.

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  2005 GMC Sierra - 2005 GMC Sierra 1500
  By ALLEN AIKENS JR. - February 26 - 5:36 am

  I love this truck. The quality, reliability. A very comfortable truck to drive. Also my 9yr old daughter loves the back seat. This truck has great power. The Chevy and the GMC are very close but the front end of the GMC just blows me away, I love the front end. One negative, the gas mileage is around 13 mpg, but I still have my 92 Chevy S-10 2 to offset the low gas mileage

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  GMC Sierra Crew Cab - 2005 GMC Sierra 1500
  By Brad - May 21 - 8:30 pm

  Responsive, strong, quiet, and comfortable ride. Excellent fit and finish. Pleasure to drive:-)

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  My first truck - 2005 GMC Sierra 1500
  By kevin - April 27 - 5:00 pm

  Not a true hybrid, around 17.5 mpg. Great power. Handles well and I fit nicely inside- I am 6 foot 9. Nice Bose speaker system too. I easily adjusted to the engine that turns off at stops (a slight delay between brake release and engine power for acceleration)

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  Best vehicle I have ever owned! - 2005 GMC Sierra 1500
  By Jeff - April 16 - 12:23 pm

  I just bought this truck used and it looks like it just rolled off the factory line. I have owned 2 F-150s and 04 Dodge Ram Quad cab. This by far blows them away. I traded a BMW 525i for it and I actually enjoyed the ride home better. My kids love the factory RSE DVD player and the room in the backseat compared to the other trucks I have owned. I love the drivers seat with the 4 point lumbar support, dual heated and powered front seats and very soft leather front and back. I have always jumped from vehicle to vehicle but I think I have found what I was looking for - a vehicle that has all the comforts of a sports car and the convenience of a pick-up truck.

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  Bob Likes the GMC - 2005 GMC Sierra 1500
  By Robert Vaught - March 2 - 8:53 pm

  Great towing vehicle, I love the trailer package with the lights and brakes already wired and the automatic slowdown feature on the gearshift. The on-demand rear differential lock is very helpful when driving on snow and ice. I recently hauled over 8000lbs on the truck and a double axle trailer from Ohio to Atlanta and was very pleased with the power response and vehicle handling.

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  Will Never own anything but GMC - 2005 GMC Sierra 1500
  By Steve - July 5 - 2:40 pm

  This 2005 Pickup is my 3rd GMC pickup I have owned and I have never had any issues at all with all of them. This 2005 is probably the best one yet, Its rugged, tough, stirdy. Drives like a real truck. Stay true GMC your pickups are the best.

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  Bills 05 by Bill B - 2005 GMC Sierra 1500
  By Bills 05 by Bill B - June 4 - 4:10 pm

  Truck was selected over the F150 feel the GMC was a better buy. Took it on an 800 mile trip and averaged 20 miles a gallon. Has plenty of power available when needed.