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2010 GMC Sierra 2500 HD Extended Cab

Overview
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2010 GMC Sierra 2500 HD Extended Cab Review

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For several decades, GMC products represented little more than rebadged versions of their Chevrolet counterparts. Beginning in 2007, GMC began a concerted effort to distinguish itself from its divisional sibling. With the 2010 GMC Sierra HD trucks, GM's engineers have also made a concerted effort to increase the differentiation between the Heavy Duty pickups and their lighter-duty 1500 counterparts. With improvements in refinement, engines and capabilities, the GMC line of trucks are easily a match, and in some cases superior, to their peers from Dodge and Ford.

You'll Like This Car If...

Whether purchasing for commercial construction, agriculture or recreational towing, if your needs are truly "heavy-duty" you'll likely find those needs met with the 2010 GMC Sierra HD, which offers all of the virtues, with few of the vices, normally associated with a "heavy-duty" truck.

You May Not Like This Car If...

The Heavy Duty's principal mission is to haul or tow big and heavy things. If you don't need this sort of vehicle and its "heavy-duty" attributes, you'll probably be happier with something not quite so robust.

What's New for 2010

For 2010, a USB port is added to up level radios, while the newest version of OnStar features long range remote start and traffic probe.

Driving the Sierra 2500 HD Extended Cab

Driving Impressions Given the number of drivetrain, cab and chassis variations in the GMC lineup, it's difficult to provide one set of observations regarding drivability. However, everything GMC's engineering team did to...

enhance the driving experience has worked. A rigid frame, in combination with a wide track and retuned suspension (Z85, standard on 2WD and 4WD models; and Z71, the optional Off-Road suspension), supplies the needed capability without imposing the typical vices of a heavy-duty platform. The ride is composed, handling stable and steering accurate with good on-center feel. With the 6.0-liter gasoline V8, performance might be described as "almost recreational." The Duramax does what diesels do best, pulling a lot of load (up to 13,000 lbs.) in an authoritative manner.

Six-Speed Automatic
This transmission has two overdrive gears to provide relaxed cruising with lower engine speeds and a first gear that's intended to enhance off-the-line response. Of importance to those towing is both Driver Shift Control (tap up and down) and standard Tow/Haul Mode.

Gen-IV 6.0L V8 (Gasoline)
For sheer day-in, day-out driving pleasure the 6.0-liter gasoline V8 is terrific, offering extraordinary response for a vehicle this large.

2010 GMC Sierra 2500 HD Extended Cab Details
Interior

With the 2010 GMC Sierra there are two available interiors. The base and mid-level Sierra HD standard interior is all about functionality, with an instrument panel focused on ergonomic ease, specific door panels offering larger door pulls and handles, a specific center console and two glove boxes. The "luxury" interior of the SLT trim level offers a driving environment straight out of a top-of-the-line Yukon. With a distinct instrument design, large center console and other specific trim elements the end result is decidedly upscale.

Exterior

"Upmarket" might be a kiss-of-death descriptive for a heavy-duty pickup, but it will work for the 2010 GMC Sierra HD. The grille is framed by a large chrome or black surround, with the GMC logo as its centerpiece, and is flanked by large headlamps. Corner lights wrap into the flared front fenders, which complement the bulge atop the hood, and there is a sleek profile by virtue of a 57-degree windshield angle. Functionally, large door handles are "grab-style" (for ease of operation while wearing work gloves), doors extend over the rocker panels and, on Extended Cab models, the rear doors open 170 degrees.

Notable Equipment
Standard Equipment

For truck-oriented capability few things beat power; GMC's standard 6.0-liter Gen IV V8 delivers 360 horsepower and 380 lb.-ft. of torque, and a six-speed automatic transmission meshes perfectly with the engine's capability. Standard safety features include seat-belt pretensioners, tire-pressure monitoring and OnStar.

Optional Equipment

For many, selecting the diesel is a no-brainer; GM's Duramax turbo-diesel provides plenty of power and is a lot quieter and smoother than diesels of the past. Those carrying lots of random cargo might better organize it with GM's cargo management system, those living in either excessively cold or warm climates will benefit from remote starting on certain trim levels and those wishing to be entertained will enjoy an enhanced DVD system and CD/MP3 audio. Finally, people who often travel to previously unknown destinations might opt for the available touch-screen navigation system.

Under the Hood

GMC offers two engine choices. Base power is the 6.0-liter gasoline V8 which delivers 360 horsepower and 380 lb.-ft. of torque. Although the EPA doesn't provide a rating for vehicles in this category, past experience suggests GM gasoline engines deliver competitive fuel economy. For those wanting more, the 6.6-liter Duramax provides 365 horsepower and a remarkable 660 lb.-ft. of torque

6.0 liter V8
360 horsepower @ 5400 rpm
380 lb.-ft. of torque @ 4200 rpm
EPA city/highway fuel economy: N/A

6.6 liter V8 Turbo Diesel
365 horsepower @ 3200 rpm
660 lb.-ft. of torque @ 1600 rpm
EPA city/highway fuel economy: N/A

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2010 GMC Sierra 2500 Consumer Reviews

Overall Rating
8.9
Out of 10

Based on 733 Ratings for the 2007 - 2013 models.

Review this car
  • Value
    9.0/10
    Quality
    9.0/10
  • Reliability
    9.3/10
    Performance
    9.1/10
  • Comfort
    9.2/10
    Styling
    9.1/10

Outstanding Truck, well done GMC !

By on Thursday, July 10, 2014

I own this car - My approximate mileage is 80,000

10 10.0
overall rating 10 of 10rating details

Reviewer Ratings

Overall Rating
10/10
Value
10/10
Reliability
10/10
Quality
10/10
Performance
10/10
Styling
10/10
Comfort
10/10

Pros: "Power, comfort, tows great, looks great, quiet"

Cons: "If I had to get picky I would want power seats"

Likely to recommend this car? (1-10): 10

"This is the best truck I have ever owned. I have just driven it from Massachusetts to Georgia and it was the best ride in a truck I ever have done. And that was towing a 12 foot landscape trailer with a load on! Powerful 5.3, quiet cab, pulls with ease, comfortable seats and interior setup, looks good and even gets decent millage for a full size truck. I'm happy."

has served me well

By on Saturday, July 05, 2014

I own this car - My approximate mileage is 60,000

10 9.0
overall rating 9 of 10rating details

Reviewer Ratings

Overall Rating
9/10
Value
10/10
Reliability
10/10
Quality
10/10
Performance
10/10
Styling
8/10
Comfort
8/10

Pros: "fair priced for a work truck, handles a plow easy"

Cons: "need manual locking rear end like fords"

Likely to recommend this car? (1-10): 9

"has done a good job for me for 6 years, used mostly for plowing snow and highway mileage, had some issues with front end as far as wear and tear which is expected, need to put a cover on console so when you bring a 3rd person into the cab, you don't have to empty console when flipping up. has served me well."

15 people out of 31 found this review helpful

many compliments of this truck. Sonoma Red Metalic

By on Thursday, July 03, 2014

I own this car - My approximate mileage is 15,000

10 9.0
overall rating 9 of 10rating details

Reviewer Ratings

Overall Rating
9/10
Value
9/10
Reliability
10/10
Quality
10/10
Performance
9/10
Styling
10/10
Comfort
10/10

Likely to recommend this car? (1-10): 10

"Truck looks and runs like new. Used as a 2nd vehicle. The Sonoma Red Metalic paint looks like new. Has bed and tail gate liner, 3" BOSS CHROME RAILS. 20" BRIGHT CHROME WHEELS & TIRES. RIDE IS EXCELLENT WITH THE 20" TIRES."

2 people out of 3 found this review helpful

Best truck I've ever owned

By on Sunday, June 29, 2014

I own this car - My approximate mileage is 33,000

10 10.0
overall rating 10 of 10rating details

Reviewer Ratings

Overall Rating
10/10
Value
10/10
Reliability
10/10
Quality
10/10
Performance
9/10
Styling
10/10
Comfort
10/10

Likely to recommend this car? (1-10): 10

"Turns over once and cold starts at 30 below zero without the block heater. Absolutely the best truck I've ever owned. Balanced, comfortable ride and POWERFUL."

31 people out of 62 found this review helpful

Muscular, dependable, comfortable, handsome

By on Thursday, June 26, 2014

I own this car - My approximate mileage is 50,000

10 10.0
overall rating 10 of 10rating details

Reviewer Ratings

Overall Rating
10/10
Value
9/10
Reliability
10/10
Quality
10/10
Performance
9/10
Styling
8/10
Comfort
9/10

Pros: "Strong, great handling, great styling"

Cons: "Expensive"

Likely to recommend this car? (1-10): 10

"I have owned 7 different GM trucks over the years and had the opportunity to drive other brands at work. The 2013 Sierra 2500HD Denali is the best truck I have had the pleasure to own and/or operate. I pull several trailers with weights up to 10,000. The Sierra has the power and stability to easily move the loads but also the technology to bring it to a stop. The engine exhaust brake and Duramax/Allison are a must for anyone serious about hauling."

3 people out of 6 found this review helpful

Could not have asked for better

By on Tuesday, June 24, 2014

I own this car - My approximate mileage is 120,000

10 9.0
overall rating 9 of 10rating details

Reviewer Ratings

Overall Rating
9/10
Value
9/10
Reliability
9/10
Quality
10/10
Performance
10/10
Styling
9/10
Comfort
10/10

Pros: "off road, day to day, looks good, reliable."

Cons: "extra parts can be a little pricey."

Likely to recommend this car? (1-10): 10

"I bought this truck a bit over a year ago and I am still happy every day I hop in and it makes me smile. I take it all over the city and the woods without any problems it is very comfortable and reliable. but it is also a very capable rig when hauling."

6 people out of 14 found this review helpful

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Trading in or Selling? Know where you stand with the most up-to-date Kelley Blue Book Value at your fingertips. See your car's value

Buying this car?