Crash Test Rating
Source   NHTSA
MPG (up to)
City / HWY
Horsepower
360 -397
Seats
2 -6
Front passenger 3/4 w/ wheels turned.

Positive Owner Reviews

accountCircle Thomas A
2014 GMC Denali 2500hd review.
Denali has smooth ride, leather seats and lots of other amenities. 4 Wheel drive, plenty of legroom, lots of cup holders. It is a little difficult to park in lots with small spaces or narrow driving lanes. Plenty of trailer towing power. Gas mileage is about 11 to 14 mpg.
accountCircle Linda P
Reliable dependable and comfortable.
My husband purchased this truck one year ago after a fire destroyed his other one. The truck itself is well built and very sound no body rust. Rides as well as any car we have ever had. Little to no outside noise. Having four full size doors is great we do have lots of grandchildren that travel with us to and from our cabin up north. There is plenty of room for 6 people and all of our stuff we haul with us. Not only do we use this for hauling people and personnel. Items my husband uses it around the farm he uses it for seed fertilizer chemicals. Tows a gravity box and the small trailer we have for the lawn mower. My son also uses it to his 36 ft 5th wheel. Towing is not a problem. Been a very good vehicle. Reliable and decent gas mileage. We would purchase another one.
accountCircle Jeff C
Towing the best, touring the best, overall performance the best.
The 2500 GMC truck is the most comfortable heavy duty truck I have ever owned. It is the most reliable and great looks. Dollar for dollar I would recommend the 2500 heavy duty for towing, touring, or just driving around the. Corner. I hope this helps you out in picking a heavy duty truck. Thank you.
accountCircle Tori S
2014 GMC 2500 sierra truck.
GMC offers a very comfortable and hard working three quarter ton truck in the sierra 2500. The features are user friendly and the truck is sharp looking to boot. This truck is a workhorse and can easily pull heavy loads without feeling strained. The truck is comfortable with a good sounds system and other features to make long drives tolerable.
accountCircle Joe A
GMC sierra reliability and comfort.
Very reliable. Not a single issue yet. Drives extremely smooth and runs as equally. Plenty of room in the bed for all my work equipment. Plenty of room in the cab for all my friends. Not bad on gas for the engine size. Seats are comfy and the a. C. Is amazing.
accountCircle Joseph J
My 2014 GMC sierra is the most reliable truck I have ever purchased.
This truck is well put together on the inside. It is comfortable and sounds healthy. No issues with HVAC system. Exterior door handles could be a little stronger. Never had any issues with transmission. I feel I could drive it anywhere at anytime and not have any worries.
accountCircle Jaime S
Very roomy for all 3 children.
Extremely reliable, trustworthy and safe. Have had a few minor mechanical issues but nothing major. Definitely would recommend this vehicle to anyone looking for a family friendly safe truck. Also at a very reasonable price for this type of truck. Very roomy.
accountCircle Melissa S
Gets good gas mileage for a bigger vehicle.
We love our pickup. It is comfortable and rides well. The features are nice and very high tech. We like the color which is red and the interior is gray and black. Very sharp looking and easy to take care of.

Negative Owner Reviews

accountCircle Debra L
It is nice and roomy. It drives well.
Gas mileage is not good and I travel a lot. Love the interior and the features such as navigation and leather seats.

GMC Sierra 2500HD Models

Models also known as Trim Levels, are used to identify a vehicle's level of equipment or special features.

car
Work Truck
360-397 HP 2-6 Seats
car
SLE
360-397 HP 2-6 Seats
car
SLT
360-397 HP 5 Seats
car
Denali
360-397 HP 5 Seats
Photos may not match model

2014 GMC Sierra 2500HD Owner Reviews

4.56
16 Reviews
close Write Review
5 stars 63%
4 stars 31%
3 stars 6%
2 stars 0%
1 star 0%
accountCircle Alicia L on April 13, 2021
Comfortable, dependable, reliable work truck.
As far as using my truck as a work truck it has stood up to every expectation I have for a work vehicle. It is comfortable for spending long hours in when plowing during the winter season and the heat and air conditioning work very well for climate comfort and control during any season of the year. The only complaints I really have as far as problems would be the inconvenient price range for repairs especially for small things such as bulbs and light replacements have always been on the pricier side and have actually needed to be replaced quite frequently. But all over I love this vehicle and will continue to drive a GMC sierra.
accountCircle Joseph J on March 12, 2021
My 2014 GMC sierra is the most reliable truck I have ever purchased.
This truck is well put together on the inside. It is comfortable and sounds healthy. No issues with HVAC system. Exterior door handles could be a little stronger. Never had any issues with transmission. I feel I could drive it anywhere at anytime and not have any worries.

Ranks #5 Full Size Pickup Trucks by Owners

The 2014 GMC Sierra 2500HD has an average owner rating of 4.56 out of 5 which ranks it #5 of 14 other Full Size Pickup Trucks.

1
car
4.89
2
car
4.61
5
Tie
car
4.56

Is The 2014 GMC Sierra 2500HD A Good Car?

The truck has been very good - we are towing a trailer and have had no issues. The truck has over 100k miles on it and it still runs.
Flora B.

How Reliable Is The 2014 GMC Sierra 2500HD?

It is reliable. We have not had any issues and we are towing a trailer across the USA and have taken it on many different terrains and elevation changes.
Flora B.

Is The 2014 GMC Sierra 2500HD A Good Value?

We bought it used and paid about $40k for it with 90k miles. The value has been good, we would not have been able to afford this truck brand new.
Flora B.

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From the Vehicle History blog

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GMC Airbag Recalls: Worth Your Worry?

Safety & Reliability

NHTSA Logo
NHTSA Crash Test

Overall

Front

Rollover

Side

*National Highway Traffic Safety Administration
IIHS Logo
IIHS Crash Test
(Not Tested)
*Insurance Institute for Highway Safety