2018 GMC Sierra 3500 Accessories & Parts

Body Lift and Off-Road Parts Reveal the Best Spirit of White GMC Sierra DenaliPrestige Tow Rig - GMC Sierra Gets Custom Dually Wheels by FuelModified GMC Sierra Sitting on Chrome American Force WheelsWhite Stylish GMC Sierra on Contrasting Custom Wheels
Auto Parts & Accessories

2018 GMC Sierra 3500 Parts

2018 GMC Sierra 3500 Wheels & Tires

2018 GMC Sierra 3500 Exterior Accessories

2018 GMC Sierra 3500 Automotive Lighting

2018 GMC Sierra 3500 Body Parts

2018 GMC Sierra 3500 Interior Accessories

2018 GMC Sierra 3500 Audio & Electronics

2018 GMC Sierra 3500 Automotive Tools

The GMC Sierra 3500 is a highly capable heavy-duty truck that can tow up to 23,300 pounds and carry the maximum of 7,153 pounds. The 2018 Sierra 3500 is an ultimate workhorse that handles like a light-duty truck, features a supreme powertrain and exquisite design. The Sierra 3500HD is the largest truck in the GMC lineup, placed above the smaller 2500HD. It is available as a regular, double, or crew cab, with a choice of standard or long bed; every cab configuration comes either with single or double rear wheels. For the 2018 model year, this rugged one-ton truck received more standard features, for instance, a 7’’ IntelliLink infotainment touchscreen and rearview camera are now made standard. Among other updates are three new body colors, namely Red Quartz Tintcoat, Deep Mahogany Metallic, and White Frost Tricoat. What is more, the tire pressure monitor system was improved, so now it features a tire-fill alert.

The 2018 Sierra 3500 sources its heavy-duty power from a highly efficient Vortec 6.0 L V8 gasoline engine rated at 360 hp and 380 lb-ft of torque. There is also a more powerful Duramax engine available, a 6.6L turbocharged diesel V8 that cranks out tremendous 445 hp and 910 lb-ft of torque. Both are mated to a 6-speed automatic transmission, with Allison gearbox as an option. The vehicle is equipped with innovative safety features to help you feel confident in every situation. They include such technologies as Safety Alert Seat and Forward Collision Alert. GMC claims that the Sierra 3500HD is a professional grade trailering machine, with great off-road capability and utmost connectivity.

For those who own this refined pickup truck, we offer a broad selection of automotive products. In our online store, you can shop for any 2018 GMC Sierra 3500 accessories and parts with confidence as all products in our catalog come from the most trustworthy brands on the market. Whether you need to replace some damaged components in your pickup truck or you want to customize it to your personal needs, our assortment of 2018 GMC Sierra 3500 parts and accessories will come in handy. We do our best to cover the needs of our broad community of customers, therefore our collection of 2018 GMC Sierra 3500 accessories and parts is frequently replenished with new high-quality products that are meant to serve you for years.

Want to make your 2018 GMC Sierra 3500 one of a kind, keep it running at its peak, or turn it into a high-powered beast? Our vast selection of premium accessories and parts ticks all the boxes. Quality is at the heart of everything we do at CARiD, so whatever your project, our brand name products and qualified experts will ensure success. Class. Luxury. Durability. We have it all, and we're always here with everything you need to keep your 2018 GMC Sierra 3500 in tip top shape, inside and out.

2018 GMC Sierra 3500 Specifications

EngineVORTEC 6.0L V-8 VVT (L96)DURAMAX 6.6L V-8 TURBO DIESEL (L5P)
FuelFlexible Fuel Vehicle ( regular unleaded or E85 )DIESEL
Transmission6-Speed automatic
Gear Ratio0.67
Drivetrain4WD / RWD
Power HP360 hp @ 5,400 RPM445 hp @ 2,800 RPM
Torque380 lb-ft @ 4,200 RPM / 515 Nm910 lb-ft @ 1,600 RPM / 1234 Nm
0-606.7 sec6.2 sec
Top Speed100 mph
Weight5985 - 6551 lbs
GVWRREGULAR CAB
SRW 10,700/11,400
DRW 13,500/13,025
DOUBLE CAB
SRW 11,000/11,600
DRW 13,025/13,025
CREW CAB
SRW 11,000/11,600
DRW 13,025/13,025
Payload Capacity (lbs.)3821 - 7153
Towing capacity (lbs.)13000 - 23300 lbs lbs
WheelbaseRegular cab - 133.6 in (long box)
Double cab - 144.2 in (standard box) / 158.1 in (long box)
Crew cab - 153.7 in (standard box) / 167.7 in (long box)
Bed LengthRegular Cab
SB 78.9 in
LB 97.8 in

Double Cab
SB 78.9 in
LB 97.8 in

Crew Cab
SB 78.9 in
LB 97.8 in
LegroomRegular Cab
Front / Back: 45.3 in / -

Double Cab
Front / Back: 45.3 in / 34.7 in

Crew Cab
Front / Back: 45.3 in / 40.9 in
Width80.5 in
LengthRegular cab - 224.4 in (long box)
Double cab - 230 in (standard box) / 248.9 in (long box)
Crew cab - 239.5 in (standard box) / 258.4 in (long box)
HeightRegular cab - 77.9 in (long box)
Double cab - 77.7 in (standard box) / 78.1 in (long box)
Crew cab - 77.8 in (standard box) / 78.4 in (long box)
Tire SizeLT265/70R18 10PR 8Jx18 ET44
LT265/60R20 10PR 8.5Jx20 ET44
LT265/70R18 10PR 8Jx18 ET44
LT265/60R20 10PR 8.5Jx20 ET44
Wheel Bolt Pattern8x180
SeatsRegular cab - 3
Double cab - 5 (6)
Crew Cab - 5 (6)
EPA-estimated mpg12 combi18 hwy/ 15 combi
Lights High-Intensity Discharge (HID) projector-beam headlamps.
Includes GMC signature LED lighting.
Tank Capacity36 gal
PriceBase from $41,995
SLE from $47,695
SLT from $52,795
Denali from $57,795
WarrantyBasic:
3 Years/36,000 Miles
Drivetrain:
5 Years/60,000 Miles
Corrosion:
3 Years/36,000 Miles
Roadside Assistance:
5 Years/60,000 Miles
Maintenance:
2 Years/24,000 Miles
Brakes4-wheel disc with 4-wheel antilock (includes Duralife brake rotors)
SuspensionFront independent with torsion bars. Includes 33 mm front stabilizer bar
Rear multileaf springs, semielliptical with urethane jounce bumpers
Safety / SecurityAIR BAGS3 Single-stage frontal for driver and front passenger on all 3500HD models and 2500HD Crew
Cab models. Includes dual-stage front-passenger air bag with infant-only Passenger Sensing System on
2500HD Regular Cab and 2500HD Double Cab models with a pickup box.
Front-seat-mounted side-impact driver and right front-passenger air bags for thorax and pelvis protection.
Included on all 2500HD and select 3500HD models. See your dealer for more details and availability.
Front and rear head-curtain air bags for all outboard seating positions. Included on all 2500HD models. See
your dealer for more details and availability.
DAYTIME RUNNING LAMPS With automatic lamp controlLANE DEPARTURE WARNING AND FORWARD COLLISION ALERT Included and only available with Driver
Alert Package. On SLE trim, requires Regular Cab.
(SLE, SLT, Denali)
SAFETY ALERT SEAT Included and only available with Driver Alert Package. On SLE trim, requires
Regular Cab.
(SLE, SLT, Denali)
THEFT-DETERRENT SYSTEM Unauthorized entry. Included and only available with Remote Vehicle Starter
System on SLE trim.
(SLE, SLT, All Terrain, Denali)
TIRE PRESSURE MONITORING SYSTEM Includes Tire Fill Alert on all single-rear-wheel models. Does not
monitor spare tire.
Safety RatingNHTSA - N/A

2018 GMC Sierra 3500 Accessories Reviews

19 reviews
Had to replace a fading tail light for safety checks. This one, with its black housing, was spot-on for just over $300.
Posted by User (Hartford, CT) / September 04, 20232018 GMC Sierra 2500
CARiD FacebookCARiD TwitterCARiD YouTube ChannelCARiD PinterestCARiD Instagram
Inspiration Gallery
All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.
CUSTOMER SERVICE
INFORMATION
CONTACTS