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2015 GMC Sierra 3500HD

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Rating8.2

Ranked #3 in 

Fullsize Pickup-truck
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$34,295 - $56,535
Starting Price 

Year

Nathan Dyer's image
Nathan Dyer 

Senior Editor,

Updated on November 3, 2023

ProsConsWhat's New

Commendable towing and hauling characteristics

Choppy touchscreen interface

GMC completely redesigned the Sierra for 2015 MY

Sturdy build quality

Limited trim comes with very few standard features

Vibrant and efficient V8 motor

Well-balanced ride and handling

Specs & Features

$38,855

price

360 hp @ 5400 rpm

horsepower

380 lb.-ft. @ 4200 rpm

torque

TBD

transmission

6.0L 8cyl 6A

engine

-

basic warranty

Overview

Part of the fullsize pickup truck segment, the 2015 GMC Sierra 3500HD Regular Cab competes with the RAM 3500 Regular Cab, the Chevy Silverado 3500 HD Regular Cab, and the Ford F-350 SuperDuty Regular Cab. A base price of MSRP $34,295 gets you a 6.0L V8 engine and a 6-speed automatic transmission. Despite the price going up till $42,765, this single powertrain is found in all 2 trims. This engine produces 360 horsepower and 380 lb-ft of torque, achieving a 0-60 of 7.8 seconds, and is offered as both RWD and 4WD. The 2015 GMC Sierra 3500HD Regular Cab offers a single 8 feet cargo bed with a payload capacity of 7,374 pounds. It also offers a healthy towing capacity of 19,600 pounds.

Buying Advice

You might want to skip the base trim and opt for the SLE, which includes a heavy-duty trailering package, a rearview camera, full power accessories, and leather-wrapped steering wheels.

Trims

    Base
    $34,295 onwards
    • 18-inch painted steel Wheels
    • 1St row LCD monitor
    • AM/FM stereo
    • Cloth Seat trim
    • Driver Lumbar support
    • Manual front air conditioning
    SLE
    $38,620 onwards
    • 18-inch chrome aluminum Wheels
    • Siriusxm AM/FM/Satellite
    SLT
    $47,225 onwards
    • Engine: 6.0L 8cyl 4WD 6A
    • Horsepower: 360 hp @ 5400 rpm hp
    • Torque: 380 lb.-ft. @ 4200 rpm
    • 0-60 mph: 8.8 sec
    • Top Speed: 158 mph
    • Fuel Economy Combined: 18 mpg
    Denali
    $52,985 onwards
    • Engine: 6.0L 8cyl 4WD 6A
    • Horsepower: 360 hp @ 5400 rpm hp
    • Torque: 380 lb.-ft. @ 4200 rpm
    • 0-60 mph: 7.9 sec
    • Top Speed: 158 mph
    • Fuel Economy Combined: 18 mpg

Compare to similar cars

8.5
2015 GMC Sierra 2500HD

Price

$33,195- $56,200

Engine

Gasoline

Rating

8.48

Horsepower

360 hp @ 5400 rpm

Torque

380 lb.-ft. @ 4200 rpm

Capacity

3

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7.6
2015 Chevrolet Silverado 1500

$26,105- $51,150

Gasoline

7.59

285 hp @ 5300 rpm

305 lb.-ft. @ 3900 rpm

3

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8.1
2015 Chevrolet Silverado 2500HD

$32,980- $55,875

Gasoline

8.1

360 hp @ 5400 rpm

380 lb.-ft. @ 4200 rpm

3

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7.6
2015 Ford F-350 SuperDuty

$32,130- $57,270

Gasoline

7.6

385 hp @ 5500 rpm

405 lb.-ft. @ 4500 rpm

3

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8.2
2015 Ford F-250 SuperDuty

$31,235- $55,170

Gasoline

8.16

385 hp @ 5500 rpm

405 lb.-ft. @ 4500 rpm

3

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7.5
2015 Chevrolet Silverado 3500HD

$33,380- $56,080

Gasoline

7.5

360 hp @ 5400 rpm

380 lb.-ft. @ 4200 rpm

3

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8.2
2015 GMC Sierra 3500HD

$34,295- $56,535

Gasoline

8.2

397 hp @ 3000 rpm

765 lb.-ft. @ 1600 rpm

6

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8.6
2015 GMC Sierra 1500

$26,670- $53,165

Gasoline

8.64

355 hp @ 5600 rpm

305 lb.-ft. @ 3900 rpm

3

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7.1
2015 RAM 2500

$30,985- $58,615

Gasoline

7.1

383 hp @ 5600 rpm

400 lb.-ft. @ 4000 rpm

3

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7.3
2015 RAM 3500

$31,740- $59,705

Gasoline

7.29

383 hp @ 5600 rpm

400 lb.-ft. @ 4000 rpm

3

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2015 GMC Sierra 3500HD vs competitor's 0-60

    Car Name
    0-60 MPH
    Quarter Mile
    Top Speed
    		SourceCompare
    		7.4 sec--
    		7 sec-168 mph
    2015 RAM 2500

    Ranked #1

    		7 sec--
    		7.1 sec--
    		7.1 sec--
    2015 RAM 3500

    Ranked #2

    		7.1 sec--
    Read More

    2015 GMC Sierra 3500HD vs competitor's MPG

      Car Name
      MPG City
      MPG Highway
      MPG Combined
      Fuel Tank Capacity
      Range (C/H)
      		SourceCompare
      		---36 gal.-
      		18 mpg24 mpg20 mpg26 gal.468/624 mi.
      		18 mpg24 mpg20 mpg26 gal.468/624 mi.
      		11 mpg16 mpg14 mpg36 gal.-
      2015 RAM 2500

      Ranked #3

      		---32 gal.-
      		---35 gal.-

      2015 GMC Sierra 3500HD vs competitor's dimensions

        Car Name
        Length
        Width
        Height
        Ground Clearance
        Wheelbase
        		SourceCompare
        		224.4 in.80.1 in.77.8 in.8.4 in.133.6 in.
        2015 RAM 2500

        Ranked #1

        		231 in.78.9 in.73.3 in.7.4 in.140.5 in.
        2015 RAM 3500

        Ranked #2

        		230.4 in.79.4 in.77.7 in.6.5 in.140 in.
        		227.6 in.79.9 in.76.5 in.8.5 in.137 in.
        		227.6 in.79.9 in.76.6 in.8.5 in.137 in.
        		224.4 in.80.1 in.77.8 in.8.4 in.133.6 in.

        2015 GMC Sierra 3500HD vs competitor's trunk space

          Car Name
          Trunk Capacity
          Passenger Volume
          Max Trunk Volume
          		SourceCompare
          		76.3 cu.ft.154 cu.ft.115.1 cu.ft.
          2015 RAM 2500

          Ranked #1

          		74.7 cu.ft.93.5 cu.ft.16 cu.ft.
          		18 cu.ft.104.2 cu.ft.18 cu.ft.
          		--83.1 cu.ft.
          		76.3 cu.ft.133.7 cu.ft.78.9 cu.ft.
          		--61 cu.ft.

          2015 GMC Sierra 3500HD vs competitor's cargo space

            Car Name
            Cargo Volume
            Cargo Volume w/ Seat Area
            Max Cargo Volume
            Bed Length
            		SourceCompare
            		115 cu.ft.76.3 cu.ft.115.1 cu.ft.98 ft.
            		5.7 cu.ft.76.3 cu.ft.5.7 cu.ft.98 ft.
            		100.7 cu.ft.18 cu.ft.18 cu.ft.98 ft.
            		61 cu.ft.-61 cu.ft.79 ft.
            		18 cu.ft.61 cu.ft.61 cu.ft.79 ft.
            		83.1 cu.ft.-83.1 cu.ft.98 ft.

            2015 GMC Sierra 3500HD vs competitor's towing capacity

              Car Name
              Towing Capacity
              Gooseneck/5th Wheel Towing Capacity
              Payload Capacity
              Weight
              		SourceCompare
              		14600 lbs.14600 lbs.4682 lbs.6091 lbs.
              2015 RAM 2500

              Ranked #1

              		17970 lbs.-3040 lbs.5957 lbs.
              2015 RAM 3500

              Ranked #2

              		17910 lbs.14450 lbs.4080 lbs.6022 lbs.
              		17900 lbs.14800 lbs.3583 lbs.5717 lbs.
              		16800 lbs.12900 lbs.4240 lbs.5941 lbs.
              		16700 lbs.12900 lbs.4080 lbs.6010 lbs.

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