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2018 GMC Sierra HD Specification, Price & Review

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GMC Sierra HD heavy-obligation pickups are intently associated to the Chevrolet Silverado HD and can be found with extra luxurious cabins and features. Most fashions bought are 4-door Crew Cabs with ample room for adults. Of these, most are pricey Denali editions with posh appointments.

Following a redesign for the 2017 mannequin yr, the Sierra HD has modified little for 2018. Base Sierra HD fashions get a standard rearview digital camera and a touchscreen, whereas Denali fashions achieve a brand new grille.

Silverado and Sierra pickups share many powertrain elements. The 2500HD has a three/four-ton score, versus one ton for 3500HD fashions.

Sierra HD trucks are available 4 trim ranges: base Sierra, SLE, SLT, and Denali. Common Cab, Double Cab, and Crew Cab fashions can be found, however Denalis are Crew Cab solely. Common Cabs lack a again seat, whereas Double Cabs have a slender rear bench and rear-hinged partial doorways for entry. Crew Cab trucks have 4 typical entrance-hinged doorways.

An eight-foot cargo mattress is obtainable with all cab configurations. Double and Crew Cab fashions can have both a 6.5-foot mattress or the eight-foot size. Stripped-down base Sierras come solely with a Common two-door cab and eight-foot mattress. Few are bought.

GMC’s standard V8 makes 360 horsepower and 380 pound-ft of torque, driving a 6-velocity automated transmission. Towing capability of a Crew Cab rear-drive 2500HD with a standard hitch reaches thirteen,000 kilos. Payload tops two tons in some configurations.

Launched for 2017, the elective 6.6-liter turbodiesel V8 produces 445 horsepower and an lively 910 pound-ft of torque. Towing capability can exceed 18,000 kilos, relying on configuration. Roughly ninety % of Denalis are diesel-powered.

Rear-drive is standard, with 4-wheel drive elective. Like different heavy-obligation trucks, Sierra 3500HD fashions can be found in single- or twin-rear wheel configurations; 2500HD pickups come solely with single rear wheels.

Crash-test results could possibly be higher. The Nationwide Freeway Visitors Security Administration gave the Sierra 2500HD a 4-star score general and for frontal impression, however a 5-star rating within the aspect-impression test. Rollover safety drew solely a three-star score – typical of automobiles with tall journey peak.

All Sierra HD fashions embrace a rearview digital camera, however superior safety features are restricted. Denali fashions add standard ahead-collision and lane-departure warnings, together with entrance/rear parking sensors. These features are additional-value choices on SLE- and SLT-trimmed Sierras. A Teen Driver Alert can report driving conduct of kids to oldsters.

Mannequin Lineup

Common Cab Sierra has 17-inch wheels, Bluetooth connectivity, material upholstery, energy home windows and door locks, a rearview digital camera, and infotainment touchscreen. (Costs are MSRP and don’t embrace vacation spot cost.)

SLE provides keyless entry, a four.2-inch driver information show, distant-locking tailgate, and touchscreen. SLT will get leather-based upholstery, twin-zone local weather management, 18-inch wheels, and distant begin. SLT could be fitted with an All Terrain X HD off-street package deal, that includes full blacked-out remedy.

Denali comes with heated/cooled leather-based entrance seats, a heated steering wheel, 20-inch wheels, an driver information show, wi-fi telephone charging, Bose audio, entrance/rear parking help, navigation, and a set of superior safety features.


Sierra designers managed to mix sharp corners, creased fenders, and a modest sense of western journey with a conservative demeanor. GMC’s HD truck is definitely probably the most conservative member of the heavy-obligation pickup class. Primary design quantities to a stretch of the lighter-obligation Sierra 1500 (half-ton) pickup.

Tall grilles emphasize the Sierra’s trendy look. The Denali’s reworked grille is a 3-bar design, edging apart the earlier honeycomb sample. Diesel-powered fashions are fitted with a practical hood scoop.


Primarily restrained in nature, Sierra cabs largely echo these present in Chevrolet’s Silverado HD collection. Most GMC heavy-obligation trucks are excessive-greenback Denali or midrange SLT editions, with leather-based upholstery and ample comforts.

Sizable Sierra HD trucks mix spectacular tow/haul functionality with satisfying consolation, particularly up entrance. In Double Cab fashions, the slender bench in again is appropriate for adults, however primarily on shorter treks. Legroom totals an sufficient 34 inches, however seats are extra upright than these in Crew Cabs.

When it comes to performance, GMC’s infotainment system is similar to Chevrolet’s. Straightforward to make use of, it consists of Android Auto and Apple CarPlay compatibility.

Driving Impressions

In contrast to heavy-obligation Ram pickups with coil springs throughout, Sierras retain a leaf-spring rear suspension. As a result, the GMC HD pickup is extra appropriate for towing and hauling duties than for general passenger consolation.

Maneuverability is hardly a robust level, however no full-size truck may be stated to deal with properly. Experience consolation may earn no awards, however rival makes aren’t precisely clean cruisers, both. Like all pickups, Sierras and their Chevrolet Silverado cousins journey higher with weight within the mattress, above the rear tires.

Efficiency from each massive V8 engines helps make the Sierra some of the succesful trucks obtainable at the moment. The gasoline V8 exerts admirably robust pull. Torque output from the 6.6-liter turbodiesel locations that model among the many strongest street machines.

Street noise is properly subdued. Clatter from the large diesel engine is almost nonexistent within the Sierra.

As for fuel financial system, the Environmental Safety Company doesn’t develop estimates for heavy-obligation trucks just like the GMC Sierra HD. In actual-world freeway driving, a diesel-powered Sierra 2500HD approached 19 mpg.

Remaining Phrase

GMC Sierra HD pickups are snug, quiet and extremely succesful. Denali variations Pictures You’ll be able to select 2018 GMC Sierra HD as your very best vehicle. There are a number of choices of sort, collection, particular specifications and colours of 2018 GMC Sierra HD. Examine and Discover the appropriate 2018 GMC Sierra HD for You!

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