Overview & Reviews

Reborn for 2007, the GMC Sierra 2500HD boasts major improvements in build quality and cabin refinement as well as increased towing and hauling capacities.

• Immense hauling and towing capacities, refined and quiet ride, excellent build and materials quality, comfortable seats.

• Side airbags and stability control are not available.

User Reviews:

Showing 11 through 19 of 19.00

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  2007 GMC - 2007 GMC Sierra 2500HD
  By Ken - January 20 - 3:00 pm

  Great truck! The Duramax towed my 31ft Airstream on a 5000 mile trip without any problems. The truck was very stable and had lots of power to spare in all situations. Gas mileage was around 12.5 mpg towing and 17 alone. I hope for better mileage after the diesel gets broken in. I expected at least some problem to show up on the brand new truck but am pleased to say everything is working perfectly.

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  The good, the bad and the ugly - 2007 GMC Sierra 2500HD
  By carlotat - September 18 - 6:03 am

  The GMC is a replacement for my stolen 03 Ford F-250 Powerstroke. I bought the GMC Sierra on the recommendations of others who had purchased it, against my better judgment. The Sierra has some nice features, particularly the interior arrangement. Everything is within easy reach and well laid out. The Duramax and Allison are a great duo, and can easily haul my horse trailer up any hill with ease. My biggest problem with the Sierra is the puny O.E. Bridgestone tires. Why GMC chose to put highway tires on a HD truck is beyond me, but after slipping and sliding my way through a snowy and muddy New Mexico winter, and with only 6200 miles on the tires, I replaced them with Michelin M/S. Huge difference.

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  Very surprised! - 2007 GMC Sierra 2500HD
  By Christopher - March 28 - 12:13 pm

  Took a look at the new F250 King Ranch and was wowd by smooth leather and exterior design. Was turned off though by the interior setup. Engine had a horrible setup and high turbo squeal as well. The GMC SLT has supple and comfortable seats, but the leather isnt as soft as the Ford KR. The look and feel of everything is great though. There arent many cheap looking parts. The setup inside and out were well thought of. Also, the Duramax and Allison are tried and true. 4X4 works great and is rather easy to jump in and out of. The power is equal to the previous years model. I say this because a lot of talk is going on regarding the EPA constrictions. Great purchase!

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  Awesome - 2007 GMC Sierra 2500HD
  By Paul - September 19 - 11:46 pm

  Traded in Ford, Bought the new 2500HD. The first thing I noticed was the awesome interior, The stock 6.0 with the auto 6 speed was next to put a grin on my face, the big block power out of that little motor is amazing. I say to all who are interested, The new GMC Sierra is an awesome truck, with plenty of power to do what ever you would like!

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  My first diesel - 2007 GMC Sierra 2500HD
  By cdietz - March 14 - 7:00 am

  I never had a diesel before but my prior experience with gas trucks was tainted with getting 13-15 mpg. So I opted for the diesel with the allison. Wow. I get 19mpg average and on highway trips I average 21.5. I put about 31000 on it so far in 10 months of ownership and I have no complaints. The true genius of this whole setup is the transmission. In tow/haul mode it downshifts for you when you brake while matching revs. Really saves the brakes and instills total confidence in pulling heavy loads - skid steers, tractors, trailers full of blocks, etc. I get about 15-16mpg while towing on the highway. Great truck!

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  The Best Ive Seen - 2007 GMC Sierra 2500HD
  By MOC - November 21 - 9:50 pm

  I have put 70,000 miles on this truck, and it is by far one of the best vehicles I have ever owned. Any negatives I have seen on here were in reference to the SLE interiors or the Gas Engine and its transmission. The truck handles very well and can pull anything you can imagine. The 6.6L Diesel and its transmission get excellent mileage for a truck this size. I get 22mpg on a 55mph highway and 19mpg on 70mph highway. City mileage is around 14mpg(with lots of stoplights). I dont think you could find a quieter diesel thats more comfortable, more powerful, and tougher than this truck. The seats do have good lumbar support in the SLT package. I really highly recommend this truck.

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  Work Truck Z82 Priceless - 2007 GMC Sierra 2500HD
  By rendog - July 28 - 5:23 am

  Best truck for the buck. 98% of this truck life has been pulling a 3.5ton trailer on the hills of western PA. Its like an old hound dog ready to work. Its powerful and comfortable for the wife and kids. Handles like a long Camaro. I get about 18.8mpg @ 72mph and about 13 combined when towing. Rented a diesel but it has too much torque for stop & go. Get props every time I stop for its true work look. Only 2 problems, TPMS and an exhaust gasket failed.

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  Love my Duramax! - 2007 GMC Sierra 2500HD
  By dozergirl11 - June 1 - 10:56 am

  I bought this truck with over 100k miles on it, but was obviously well taken care of, as it is now. I have pulled several trailers already that stretch the written towing capabilities, but she has pulled them all just fine with no squatting, and the tow/haul option does really well even with the larger trailers If I was going to buy a truck again, Id buy the same one. The SLE2 is nice inside and out, with my favorite part of the exterior being the cab lights. They just make the truck look sharp!

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  2500HD - 2007 GMC Sierra 2500HD
  By 2500HD - September 29 - 9:16 am

  At first I didnt like the styling, because it looks like a Ford. I chose the 6L gasoline engine in the 2500HD to avoid active fuel management in the 5.3L engine. With only occasional towing, the gasoline motor is a good choice for acceleration with less maintainence. The gas mileage is only slightly worse than I am used to with my Jeep Wrangler. The brakes are really powerful once broken in. Comfort on the open road is great. I bought the vehicle on the internet at great price, but it came without cruise control. I asked the local dealer if he could add it and they said "no". On my Wrangler, it was no problem because the wiring is already there, but GM doesnt do this.