2011 GMC SIERRA 2500 HD
Used Truck - 2011 GMC Sierra 2500 HD in Chickasha, Ok
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2011 GMC Sierra 2500 ReviewThis car review is specific to this model, not the actual vehicle for sale.
All-new, with new diesel, new Denali models.
The GMC Sierra HD line of heavy duty trucks has been reengineered from the ground up for 2011, with a new frame, new front and rear suspensions, bigger brakes, and a new, more powerful Duramax 6.6-liter turbo diesel.
At the same time, a luxurious new Denali model brings premium features and styling to the heavy-duty line. The Sierra Denali HD is a 2500HD Crew Cab with a choice of Vortec 6.0-liter V8 or the Duramax diesel with the latest Allison six-speed automatic.
GMC Sierra heavy-duty pickups are well-suited for real-world use and abuse. They can haul tons of brick and cement and tow the concrete pump, then turn around to be used for a night on the town or grocery shopping while the fifth-wheel's left in camp or the horses are in the corral. If your hauling happens once or twice a year or you tow a bass boat or ski boat, then the 1500-series may be better suited. If your load is heavy, however, or you do a lot of towing, then the Sierra HD is the ticket.
Denali pickups are more luxurious than their namesake environment, with more standard equipment than any Sierra HD, bespoke cabin trim and wheels, and options that include a moonroof, navigation, heated steering wheel, heated and cooled front seats, and on some versions, polished forged alloy 20-inch wheels. This is GMC's answer to Ford's Super Duty King Ranch, Ram's Lariat, and anyone who thinks a pickup should be as relaxing and comfortable as a good lounge. Towing capacity is slightly less than others because of luxury equipment.
The GMC Sierra HD is built on the same chassis as the Chevrolet Silverado HD and shares all the sheetmetal, including the hood, with it. Different hood trim, lights, grille, wheels and ruby red badges distinguish GMC from Chevrolet. GMC buyers are generally younger, more affluent, better educated and choose crew cabs and diesels more than Silverado buyers, which is why the Denali is a GMC.
As with all heavy-duty pickup lines, the Sierra HD offers plenty of configurations with three cab styles, two bed sizes, single or dual-rear wheels and 2WD or 4WD. A 6.0-liter gasoline V8 is standard, rated at 360 horsepower in 2500 models and 322 hp in everything else. It isn't quite as powerful as the competitions' gas engines. However, the 6.6-liter turbodiesel with 765 pound-feet of torque (more than twice the gas engine's) out-rates the 6.7-liter engines on the Ford Super Duty and Ram trucks. GM and Ford use only six-speed automatics in their trucks. Ram uses a five-speed automatic in gas engines and six-speed manual and automatics with their diesel. Sierra HD offers two distinct interior concepts, one bred for work, function and simplicity the other emphasizes luxury and features over outright seating space. Almost anything you can get in a GMC sport-utility is available here, including OnStar, a subwoofer-equipped sound system, rear-seat entertainment, driver memory system, heated leather seats and a moonroof. For the entry price of around $28,000 you get a functional pickup with real load-carrying ability; for big towing in a properly equipped diesel expect to pay $40,000 or more.
The trick in buying the right GMC Sierra HD is to give fair consideration and choose wisely. Compute the permutations among three cabs, two weight classes, two beds, two engine/transmission combinations, two drive systems and four trim levels, and then sort out options that cover everything from a diesel radiator cover to rear park assist, and you can see why prices run from that base $28,000 to well past double it.
The 2011 GMC Sierra HD offers three cabs, two beds, five wheelbases and four trim levels. The Vortec 6.0-liter V8 and six-speed automatic comes standard, the Duramax diesel with a stronger Allison six-speed automatic is available ($8,395).
From the least expensive version, plan on adding $2,000-$3,000 to step up from regular cab to Extended cab, or from there to Crew Cab. Figure $200 more for a long bed version. Add about $3,000 for four-wheel drive.
Sierra WT models are work trucks with gray vinyl upholstery, rubberized floor covering, black door handles and mirrors, steel wheels and floor-shift for 4WD. They come with air conditioning, AM/FM stereo, driver information center, 40/20/40 manual-recline front seats, rear bench seat, tilt wheel, chrome grille and bumpers, tow hooks, intermittent wipers, and dual dash power outlets. The WT Crew Cab has a 60/40-split rear bench seat. Options on WT include cruise control ($250), stereo upgrades, OnStar 9.0 ($295), 18-inch wheels, camper mirrors, locking differential ($325), trailering equipment, power windows, mirrors and locks, integrated trailer brake controller ($200), deep-tint glass and bucket seats.
Sierra SLE versions improve with cloth upholstery, carpeting (though the WT floor is available), 40/20/40 front seat with locking console storage, split-fold rear seat, AM/FM/XM/CD/MP3 RDS stereo, OnStar with six months' service, cruise control, aluminum wheels, power heated mirrors/windows/door locks, visor vanity mirror/lights, side moldings and electric-shift for 4WD. SLE options include dual-zone climate control, navigation and backup camera, backup camera in mirror ($450), power passenger seat for the 3500 Crew Cab, steering wheel controls, power sliding rear window ($250), power heated camper mirrors ($243), 20-inch wheels for the 2500, locking differential, Z71 off-road package with shocks, bump stops, 36-mm front antiroll bar, and skid plates.
Sierra SLT upgrades with leather, 10-way power heated front seats and two-person driver memory, dual-zone climate control, Bose DVD audio system, Bluetooth, console, auto-dimming mirrors (3), steering wheel controls, fog lamps, paint-matched trim, power folding mirrors w/signals, 18-inch polished forged aluminum wheels, locking differential, trailer equipment and integrated trailer brake controller. SLT-level upgrades include navigation and rearview camera, rear-seat entertainment, moonroof ($995), power sliding rear window, power heated camper mirrors, and 20-inch wheels on 2500.
Denali models come in 2500 or 3500, single or dual rear-wheel configurations, 2WD or 4WD, short bed or long bed. Denali is Crew Cab only. Denali gets a unique four-bar grille, body-color bumpers, chrome door handles, chrome accents, polished forged aluminum wheels, and EZ-Lift locking tailgate. Inside, Denali adds unique brushed aluminum trim, power-adjustable pedals, a Bose premium surround audio system with 6CD/USB, Bluetooth, and 12-way power seats. Options include a heated steering wheel, heated and cooled front seats, moonroof, and rear-seat entertainment. Denali comes only in black, gray, or white.
Optional on most trim levels are roof marker lamps ($55), skid plates ($150), snow-plow prep for 4WD, fast-idle switch ($200), camper/fifth-wheel wiring ($35), myriad dealer options and for diesels, dual 125-amp alternators ($270) and radiator covers ($55) for cold states.
Safety equipment includes frontal airbags, front seat belt pretensioners, and StabiliTrak on single-rear wheel models. Optional equipment includes front-side airbags and front side-curtain airbags (2500), OnStar, backup cameras and integrated trailer brake controller.
The Sierra HD shares its mechanical bits with the Chevrolet Silverado HD, but they are not visually identical. Different grilles, lights, trim, wheels and badges distinguish the two. Denali models use unique elements of those distinctive parts to further separate themselves from lesser Sierra HDs.
The wallpaper sized, ruby red GMC logo makes its origin plainly obvious and the bumper that blends into the fenders lacks the big bumper-to-grille opening characteristic of vehicles with separate bodies and frames. The increased frame stiffness allows smaller gaps between panels, one reason the Sierra HD is quieter than Super Duty cabs.
Extended cab models have rear doors that open to the rear after the front doors have been opened, with windows that roll down to minimize rear seat claustrophobia. Ford's Super Cab uses the same system, while Ram HD's mid-size cab has four conventionally opening doors.
The box sides are deep. The tailgate has an optional lock and assist for closing it with less effort. The cargo management option fits rails to three sides of the bed, which can be used for tie-down points and to carry a variety of tool or utility boxes. The dual-element mirrors, some of which are heated and power-fold for drive-through lanes, aid rearward vision when towing.
Most heavy duty pickups have external dimensions close to each other and the Sierra is similar; more than six-and-a-half feet wide outside and room for a 4x8-foot sheet of building material to ride flat in the long bed. 4WD Sierra models are slightly lower than competing pickups, and that inch or two could make the difference in commercial garages or with critical fifth-wheel trailer/bed side clearances.
The high-line Sierra SLT cabin feels just like the interior of a large luxury car, with a low-profile dash sporting lots of woodgrain trim, a compact instrument cluster with good gauges, three months of XM radio to get you hooked, and a center stack that rolls off the dash and right into a full-length center console.
The Sierra HD SLT and Denali cabins are more car-like than truck-like: sleek, distinctly split between driver and passenger environments, and good fit and finish. Other Sierra models use a more conventional pure pickup layout, with a higher dash section that goes across the middle and leaves the center open for middle riders, manual-shift transfer case, or communications and safety equipment.
Though not as stylish, the standard pure pickup dash is the more functional of the two and equally well assembled and equally up to date. It offers more options in small storage, a second glove box (with an awkward latch), locking storage area with power point beneath the center seat section, more places to add accessory switches, radio and ventilation controls are up higher near line of sight, and the materials produce less glare in low-lying sun and night construction areas. Adjustable pedals and a tilt wheel are available, though the wheel does not telescope.
The Regular Cab Sierra has room for an XL-sized gent and space behind his seat for coat and boots. Extended Cabs have a seat cushion that folds up for more storage and LATCH anchors for infant seats. Crew Cabs are the obvious choice for anyone hauling more than youngsters on a regular basis, just be sure the middle rider knows there is no headrest.
Operating controls are clearly labeled and logically placed, and the shifter offers the typical D and 1 positions, with an M position and thumb tab for individually selecting any intermediate gear.
If there's a drawback to the Sierra cabin it is the quantity of similarly shaped and labeled small buttons that butterfingers may have some issues with. Door switches won't let your dog power the window up, but he may still lock you out; fortunately, OnStar (and the turn-by-turn navigation it offers) is standard and includes a few months free service. As with a Mercedes, turning on the navigation system also switches on the radio, and you'll have to turn it all the way down if you don't want to hear it.
The fact that the Sierra interior, especially on SLT models, is the most like a car will certainly find favor with those who need a pickup rather than just want one. Denali models may steal a few King Ranch sales from Ford, although given pickup brand loyalty any such buyer is likely new to pickups.
For 2011 GMC Sierra set the bar higher and raised cargo and tow ratings to levels well beyond any previous GM pickup, and slightly eclipsing the maximum ratings for the 2011 Ford Super Duty F-350 (the F-450 pickup maintains top towing/GCWR rank). Heavy-duty pickups are a battleground of numbers with rankings reshuffled on a regular basis, but a properly specified Sierra HD diesel will pull all but the largest fifth-wheel trailers, and potentially require you to have a special driver's license or endorsement to do so legally.
Truck people talk frames and parts because they're the foundation. On the Sierra HD the foundation includes things like forged steel upper and cast iron lower front suspension arms like pieces used on older Land Rovers and the Mercedes Gelaendewagens rather than the aluminum and stamped steel of lightweight pickups. Everything was upgraded for 2011, right down to the bolts that hold the wheels on.
Adding bigger parts is easy. What makes the GMC HD noteworthy is that the increase in capability comes with no significant sacrifice in ride quality, cab comfort, handling or control. GMC claims diesel highway fuel economy is up 11 percent, quoting range on the 36-gallon fuel tank that suggests about 18.5 mpg; but honestly the only time you should be highway cruising in an empty HD is after you've delivered the cargo or trailer somewhere. No mention of city mileage, probably because the truck is 300-400 pounds heavier than its predecessor. We observed 10 mpg in the largest HD diesel pulling a four-ton trailer.
That gasoline engine is the purchase-cost choice and best used when routine heavy towing or high mileage aren't on the agenda. Opting for the $100 higher-numerical 4.10:1 axle ratio is worth every penny and raises the tow rating considerably. We saw a bit more than 12 mpg on a highway leg in an unloaded 2500-series gas engine.
All other buyers should strongly consider the diesel with twice the torque output and notably better mileage and work ratings. It is quieter but the last GM HD was already relatively quiet, and like Ford but unlike Ram, it uses DEF for the emissions system. This is filled underhood and may need to be done only at service intervals but is available at fuel depots and parts stores if you drive hard. Running out will not stop the truck, but if you ignore warning messages it eventually will not restart.
Pickups of yore tended to buck like broncos on uneven surfaces like turnpike expansion joints, with the bed trying to bounce one direction and the cab the other. Often a function of wheelbase, this can't be completely eliminated in a long vehicle like a Sierra HD, but it does an admirable job of mitigating the motion. Longer cabs get special body mounts to aid in that regard, though we found the regular cab gave a good accounting of itself; with the diesel's 700-mile-empty claimed range, it's entirely possible a base manual seat would wear you out before any ride issues did.
There's heft to the feel of a Sierra, from the way it takes big bumps to the steering and throttle inputs but this should not be construed as effort on the driver's part. Its handling characteristics are benign and amount to basic plowing if you push too hard. All-terrain tires give better grip on dirt roads, at the expense of steering precision and noise on tarmac. Optional 20-inch wheels look good but we'll stick to standard 17s and 18s for numerous reasons, including ride and replacement cost.
Like all big 2WD pickups the Sierra uses all-vented disc brakes with ABS, and independent front suspension. Of the full-size pickups, only the GM heavy-duty pickups use the same design on 4WD models as on 2WD versions. This means the 4WD HD models from GM have a lower nose and more responsive steering than their Ram and Super Duty counterparts. Again, like any big pickup, the tail is prone to kick over impacts with an empty bed; the Sierra is similar to others although it may feel it has more kick because the front is softer. Apart from turning circle and size, it takes no more effort to drive this than to drive any other GMC.
The optional integrated trailer brake controller will apply your trailer brakes smoother than any aftermarket controller and works in concert with the Sierra's braking system.
The diesel engine has an exhaust brake function in the turbocharger, and the Allison transmission uses grade control logic to help maintain chosen speeds, even using cruise control on up- and down-grades.
The 2.5-inch receiver hitch allows conventional trailer ratings up to 17,000 pounds, and the maximum for fifth-wheels is almost 22,000 pounds, both segment leading. The strongest Sierra HD will haul more than 29,000 pounds gross combined: the truck, fuel, passengers, cargo, and loaded trailer. That means, and this applies to all domestic pickups, that a Sierra rated for a trailer of 21,000 pounds and a load of 5,800 pounds can't do both simultaneously.
If you want the capability of a big pickup with the least sensation of driving a big pickup, the Sierra HD deserves consideration. In a world run amuck for ever-larger trailers and powerplants, it's a sensible alternative for anyone who needs to haul heavy material but doesn't want a Class IV or V truck to do it.
G.R. Whale filed this report to NewCarTestDrive.com from Flintstone, Maryland.
GMC Sierra HD Regular Cab 2500 2WD WT ($27,965), Extended Cab 2500 2WD SLE long bed ($33,870), Crew Cab 3500 4WD DRW WT ($36,920), Extended Cab 3500 2WD SLT ($36,625), Crew Cab 3500 4WD SLT ($45,455), 2500 Denali 4WD ($45,865).
Fort Wayne, Indiana; Flint, Michigan.
Options As Tested
navigation ($2,250); rearview camera ($450); heated/cooled front seats ($650); power slide rear window ($250); heated steering wheel ($150); 20-inch forged polished aluminum wheels ($850); head curtain/front side airbags ($395).
GMC Sierra 2500 HD Crew Cab Denali 4WD ($45,865).While exterior changes are limited to a new louvered hood, front bumper and grille, most of the 2011 GMC Sierra 2500HD's mechanical and structural components (including frame, engines, transmissions, suspension, and brakes) have been redesigned, strengthened or improved. Like all Sierras, the 2500HD is available in a wide array of bed sizes, wheelbases, drive types and cab sizes, as well as a variety of trim levels. The standard 360-horsepower 6.0-liter Vortec V8 engine's new camshaft profile helps the engine produce more torque lower in the rpm band, for improved launch feel and a greater feeling of overall performance when towing a trailer and at higher altitudes. The revised and optional 397-hp/765 lb-ft of torque (335-hp/685 lb-ft of torque with Box Delete option) B20 biodiesel-capable Duramax 6.6-liter diesel is more powerful and durable, and the Allison 1000 transmission is stronger for 2011. The stiffer, fully-boxed frame improves durability and ride, while supporting increased capability. The redesigned torsion bar front suspension allows for a greater front Gross Axle Weight Rating (GAWR). The rear suspension uses wider leaf springs - now asymmetrical to reduce axle hop - that contribute to improved ride and handling characteristics and increased rear GAWR. Larger brakes deliver smoother, more immediate and confident-feeling performance and diesel engines now include an exhaust brake. Stability control, hill start assist and a trailer sway control system are standard. Available features include mobile WiFi, USB connectivity, rear back-up camera, Bluetooth connectivity, XM satellite radio, OnStar 9.0 and a navigation system. The Denali trim, available on the 4WD crew cab short-bed, is new for 2011 and features a unique grille, body color bumpers, polished forged alloy wheels and chrome accents. A new frame, an improved Vortec V8, a new Duramax diesel and revised Allison transmission, new front and rear suspensions, and an improved brake system combine to make GMC Sierra 2500HD one of the most capable line of trucks on the road.
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