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2021 GMC Sierra 2500 consumer reviews

$36,200–$39,000 MSRP range
side view of 2021 Sierra 2500 GMC
(28 reviews)
78% of drivers recommend this car
Rating breakdown (out of 5):
  • Comfort 4.8
  • Interior 4.6
  • Performance 4.4
  • Value 4.0
  • Exterior 4.6
  • Reliability 4.1
Explore the 2021 GMC Sierra 2500
Shop the 2021 GMC Sierra 2500

Incredible beast of a truck!!!

2021 GMC 2500 Denali is an exceptional truck. It’s ride is beyond any truck expectations. The auto operating running boards have turned out to be great for getting in and out of this beast of a truck. I got this truck to haul my 5th wheel trailer and it pulls the trailer like it’s not even there. Styling in and out is beautiful but sturdy and unique over its competitors. The info/ 15 camera system is unbelievably helpful especially pulling the trailer. This truck drives and rides better than most luxury sedans but is a beefy do it all truck.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 5.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Towing
  • Does recommend this car
1 person out of 1 found this review helpful. Did you?
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No visibility

Drivers seat is too low. I cannot see over the dash without sitting on pillows. I have never owned a vehicle this bad. So dangerous. We were told that power seats were not available for this model

Rating breakdown (out of 5):
  • Comfort 4.0
  • Interior 4.0
  • Performance 4.0
  • Value 5.0
  • Exterior 4.0
  • Reliability 4.0
  • Purchased a New car
  • Used for Commuting
  • Does not recommend this car
1 person out of 4 found this review helpful. Did you?
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Truck is highly overpriced for what you get

I’ve owned this truck for one week doesn’t do anything for me it’s an OK truck but not worth the price that I paid that’s a pick up truck not a Cadillac

Rating breakdown (out of 5):
  • Comfort 4.0
  • Interior 3.0
  • Performance 1.0
  • Value 1.0
  • Exterior 2.0
  • Reliability 4.0
  • Purchased a New car
  • Used for Towing
  • Does not recommend this car
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Very nice vehicle!

This vehicle has great styling, a powerful engine, comfort, excellent performance, and is enjoyable to drive. I would recommend this truck to any one interested in a new 3/4 ton truck.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 4.0
  • Performance 5.0
  • Value 4.0
  • Exterior 4.0
  • Reliability 4.0
  • Purchased a New car
  • Used for Transporting family
  • Does recommend this car
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Only had it a week

Lots of bells and whistles - great features and pretty user friendly. Only had the truck a week and haven't driven very far yet. So far pretty happy with it.

Rating breakdown (out of 5):
  • Comfort 4.0
  • Interior 4.0
  • Performance 5.0
  • Value 3.0
  • Exterior 4.0
  • Reliability 3.0
  • Purchased a New car
  • Used for Towing
  • Does recommend this car
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Best vehicle I ever purchased

All I wanted in a vehicle. I someone wanted to purchase a vehicle I would recommend this truck. It took me a while to find this vehicle but it was well worth the wait. If I had to do it all again I would not change the process.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 4.0
  • Value 4.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Having fun
  • Does recommend this car
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I LOVE MY TRUCK

I just LOVE my truck my first test drive was 4 hrs. to my house i did not want to get out . I surprised my Wife and my 4 kids they were EXCITED .

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 5.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Having fun
  • Does recommend this car
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Still exploring , last truck purchased in 2005

Too soon to tell, only owned four days . This is the first truck I have purchased new in fifteen years. The new technology in suspension as well as electronic quite obvious.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 3.0
  • Performance 4.0
  • Value 4.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Having fun
  • Does recommend this car
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Checks all the boxes for a great family camper hau

Bought a 2500HD AT4 to replace our Yukon to tow our 28ft long, 11ft tall, 6000 lb camper. Plenty of shoulder and leg room for our 3 kids & 2 dogs. First diesel HD truck, and a bit surprised at the highway (19-20 mpg) and towing (11-12) mileage. Both are improvements over the Yukon (17-18 & 8-9). The truck is a road trip machine. Steering, road feel, and ride quality are great. Love the HUD, lane keep assist seat & visual alert. Camera display in the rear view mirror is surprisingly helpful with changing lanes or backing up when you have 3 heads blocking the regular mirrors view. This truck is huge, and our running boards are on backorder (2 weeks and counting). Climbing in and out without them is getting to be a pain. This also is not something we take into the city. The turning radius, big doors and overall length doesn't mix well with tight parking lots and narrow streets. All the cameras help, but not so much as to make it the easy option. Hard to say a $70k truck is a great deal, but compared to $60-$65k for a 2yr & 20k miles used similarly equipped, or similar price for Ram or Ford... We think the 10spd, towing capacity, fuel mileage (thanks TFtruck for all the testing, ours appear to match), HUD, mirrors & cameras, and the towing tech gave us the right mix of features & value for how we use our truck.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 5.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Towing
  • Does recommend this car
2 people out of 2 found this review helpful. Did you?
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INCREDIBLY TOUGH

I am impressed with the quality and ride of my new Sierra AT4 HD. One tough truck. Nice interior features including heads-up display. Climbing in and jumping out might get old...but so far its cool sitting higher than most vehicles on the road.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 5.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Transporting family
  • Does recommend this car
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