Overview & Reviews

Redesigned for 2014, the GMC Sierra benefits from weight reduction and a lineup of new, more fuel-efficient engines including a now-competitive V6.

• Quiet highway ride.
• New, more fuel-efficient engines
• Improved interior

• Transmission ratios too widely spaced for optimal towing performance.

User Reviews:

Showing 11 through 20 of 37.00

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  Mileage numbers reasonably accurate - 2014 GMC Sierra 1500
  By papanav - October 15 - 8:18 pm

  As of this writing have 7600 miles on my truck with most of that mileage highway miles. I consistently get 22 mpg and did get 24.8 mpg on a trip to Delaware. I have a tonneau cover which I am sure helps with mileage and I noticed on flat terrain the truck runs in 4 cylinders and 6th a lot, hence good mileage. When I pull my trailer with my compact tractor the mileage drops off considerable because it is working much harder. I get about 12-14 mpg in that configuration. Very smooth running truck, comfortable and good looking.

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  Worthless - 2014 GMC Sierra 1500
  By gunthergetter - May 5 - 4:33 pm

  I was so excited when the 2014 gmc came out. They where a nice change of appearance. Although once you buy one the story changes. The headlights are horrible, very difficult to see at night. The transmission has no clue what is should be doing, shifting when it should not be and not shifting when it should and makes loud noises. Absolutely no FM/AM radio reception, anywhere. I have not yet found a comfortable seat/head rest position. Now that i have this truck i do not look forward to driving it.

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  2014 Sierra Denali - 2014 GMC Sierra 1500
  By mzion - February 16 - 10:35 am

  very disappointed in this pickup. transmission down shifts when going at low speeds and try to speed up. the Navigation system has started acting up by adding 1hr 30 minutes to arrival time on and dealers says nothing they can do. just have to live with it. Totally unacceptable but cant get GMC dealers to even try find the problem.

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  OFF OF THE DRAWING BOARD TOO FAST!!!!! - 2014 GMC Sierra 1500
  By rodrickj - November 24 - 6:07 am

  When I first saw this truck it was love at first site. However, after driving it over 5000 miles, I started to hear a hum in the rear end. To make a long story short, the druck has been in the shop for a total of 3 months. The differential has been rebuilt, drive shaft replaced, rebuilt deferential taken out and brand new differential installed, driver seat had to be shimmed, and a total of 3 recalls. You would think that after all of that the problem would have been solved, WRONG, I still have a hum in my rear end and a pain in the other. It is a shame that a billion dollar company like GM wont admit that they made a screw up with at least my Sierra. I cant recommend to anyone.

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  GM Got This One Right - 2014 GMC Sierra 1500
  By john178 - October 7 - 7:51 am

  Picked up my 2014 GMC SLT Sierra (Z71) today. It is black with black leather interior and chrome galore- including 6 inch running boards. I also put Line-X in bed of truck. The truck is a head turner for sure. There is additional room in the backseat, improved door seals make this even quieter than the 2011 Chevy Silverado I taded in for the GMC. Ive driven around all day and cannot come to grips with how comfortable the ride is. GM hit a homerun on this newly designed 2014 truck.

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  16 month review - 2014 GMC Sierra 1500
  By telson - March 27 - 2:30 am

  Just over 40,000 miles on my 2014 SLT crew. Im 75% freeway driving.A few recalls taken care of, bluetooth issues, and replacement of poor quality OEM tires, that sums up the repairs its needed. The factory headlights are sub par, I replaced the factory bulbs with ZXE units with great results. Im very impressed with this truck overall, its getting an average of 20 MPG on mostly freeway miles. This truck feels like a Lexus compared to the F150 it replaced, very quiet and smooth. Comfy seats, and a nice ride are also welcome. Great truck overall!

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  Subtle, but well executed - 2014 GMC Sierra 1500
  By jmred - October 16 - 10:54 am

  Have had 3 fords (last w an ecoboost so spoiled on torque) and only now coming back to GM. Had a silvy that was rock hard in terms of durability... But rock hard plastics in the cab sucked. I came back after creaking and lackluster workmanship in the ford turned me off. Silent cab. Not quiet.. Silent! Wife is actually ok w me adding new pipes! This is a z71, All Terrain, so very nice interior and fitting of a lux car. Outside is all business. Nice, subtle change for gmc; modern look that grows on you and doesnt betray the heritage. 5.3 is much stronger than the old one and you cant feel the v4-v8 switches.

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  Impressed - 2014 GMC Sierra 1500
  By lawman1967 - December 4 - 9:42 pm

  Traded Mercedes C300 and a Ram 1500 Hemi, and traded both on the Sierra. Mine is an SLE Doublecab with the All-Terrain package and 5.3 V8. Ive only had it for 1000 miles so cant really comment on reliability, but truck is very solid going down the road, whisper quiet, smooth, luxurious and just a joy to drive. Its actually more comfortable than the 2011 Mercedes was. The 8" touchscreen stereo with Bose speakers (not listed on sticker or GMC site for SLE, but came with my All-Terrain) sounds great, but the bluetooth and USB connections to my iPhone 5s are a bit flakey. No NAV in my truck, but OnStar works well. Drove 400 miles yesterday, heated bucket seats very comfortable.

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  2014 GMC Sierra All terrain SLT - 2014 GMC Sierra 1500
  By mad1980 - November 27 - 11:43 pm

  I think you owe us an apology. You seemed to think the 2014 GMC sierra was a decent truck. I would like to let you in on the problems that most of the people are having with these trucks. Many rattles inside truck,FM radio cant hold a strong signal even sitting still, I have the Bose system and all I get is very nice sounding static.(think it is on purpose to make us buy XM) The headlights are so dull we are afraid to drive at night as they only light about 3-4 car lengths ahead even on high beam (no actual high beam light just a filter that moves to let out more light). Rear shocks that leak and make noises. Water leaks to the interior. Power rear sliding windows that the cables break and

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  Transmission problem - 2014 GMC Sierra 1500
  By mb1951 - November 14 - 9:24 am

  Ever since I purchased this truck I have dealt with a transmission that constantly up and down shifts especially at slow speeds. Its as if the computer cant decide what gear the tranny should be in so it keeps switching back and forth between gears. The result is hesitation then clanking as the car accelerates or reduces speed. I have been back to the dealership on multiple occassions and as expected they cant replicate the problem???Ironically anyone I let drive the truck always comes back and says whats up with your transmission. I cant believe I was the only "lucky" guy that purchased a lemon. I wish GMC would at least acknowledge there is an issue!!!!!!