2018 GMC Sierra 2500 Accessories & Parts
2018 GMC Sierra 2500 Parts
2018 GMC Sierra 2500 Wheels & Tires
2018 GMC Sierra 2500 Exterior Accessories
Running Boards
Off-Road Bumpers
Custom Hoods
Towing & Hitches
Body Kits
Mirrors
Grille Guards
Bed Accessories
Chrome Trim
Bug Deflectors
Spoilers
Commercial Van Equipment
Custom Grilles
Tonneau Covers
Wind Deflectors
Fender Flares
Roof Racks
Winches
Car Covers
Bike Racks
Light Covers
Wiper Blades
Mud Flaps
Armor & Protection
Custom Horns
Car Tents
Car Wraps
License Plates & Frames
Emblems & Logos
Sunroof Visors
Spare Tire Covers & Carriers
Snow Plows
Auto Detailing
2018 GMC Sierra 2500 Automotive Lighting
2018 GMC Sierra 2500 Body Parts
2018 GMC Sierra 2500 Interior Accessories
2018 GMC Sierra 2500 Maintenance
2018 GMC Sierra 2500 Audio & Electronics
2018 GMC Sierra 2500 Automotive Tools
Diagnostic & Testing Tools
Engine Service Tools
Pullers & Installers
Suspension & Steering Service Tools
Wheel & Tire Service Tools
Oil Change Tools
A/C Tools & Equipment
Automotive Lifts & Stands
Fuel System Service
Repair Manuals
Jacks
Brake Service Tools
Spark Plug & Ignition Tools
Cooling System Service Tools
Lockout Kits
Exhaust System Service Tools
Auto Glass Tools
Electrical System Tools
Transmission & Drivetrain Service Tools
EV Charging
Automotive Paint
Battery Chargers & Jump Starters
Creepers
Key Cutting Machines
Dollies & Movers
Auto Detailing
Dent Repair Tools
Service Carts
Vehicle & Parts Protection
Popular Accessories
Black Tail Lights
Custom Tail Lights
Fiber Optic Tail Lights
LED Tail Lights
Replacement Headlights
Factory Fog Lights
Front Bumpers
Hood Scoops
Hoods
Suspension
Suspension
Air Intake System
Auxiliary / Driving Lights
Brakes
Bumper Inserts + Covers
Chrome Body Side Moldings
Custom Headlights
Fender Moldings + Trim
2018 GMC Sierra 2500 Specifications
| Engine | 6.0 L V8 Vortec V-8 VVT (L96) | 6.6 L V8 Duramax Turbo Diesel (L5P) |
|---|---|---|
| Fuel | Flexible Fuel Vehicle ( regular unleaded or E85 ) | DIESEL (B20 biodiesel capable) |
| Transmission | 6-Speed automatic (6L90) | 6-Speed automatic (Allison® 1000 Series) |
| Gear Ratio | 0.67 | |
| Drivetrain | 4WD / RWD | |
| Power HP | 360 hp @ 5,400 RPM | 445 hp @ 2,800 RPM |
| Torque | 380 lb-ft @ 4,200 RPM / 515 Nm | 910 lb-ft @ 1,600 RPM / 1234 Nm |
| 0-60 | 6.7 sec | 6.2 sec |
| Top Speed | 100 mph | |
| Weight | 5741 - 6242 lbs | |
| GVWR | REGULAR CAB Long Box 9,500/9,900 DOUBLE CAB St Box 9,500/10,000 Lg Box 9,500/10,000 CREW CAB St Box 9,500/10,000 Lg Box 9,900/10,000 | |
| Payload Capacity (lbs.) | 2356 - 3534 lbs | |
| Towing capacity (lbs.) | 13000 - 18100 (max with Duramax Turbo Diesel ) lbs | |
| Wheelbase | Regular 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 Length | Regular 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 | |
| Legroom | Regular Cab
Front / Back: 45.3 in / - Double Cab Front / Back: 45.3 in / 34.6 in Crew Cab Front / Back: 45.3 in / 40.9 in | |
| Width | 80.5 in | |
| Length | Regular 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) | |
| Height | Regular cab - 77.3-77.9 in (long box) Double cab - 77.6 in (standard box) / 78.1 in (long box) Crew cab - 77.8 in (standard box) / 78.3 in (long box) | |
| Tire Size | LT245/75R17 10PR 7Jx17 ET50 LT265/70R17 10PR 7.5Jx17 ET44 LT265/70R18 10PR 8Jx18 ET44 LT265/60R20 10PR 8Jx20 ET44 LT265/50R22 10PR 8.5Jx22 ET40 3.4 / 5.2 (tire pressure) | LT245/75R17 10PR 7.5Jx17 ET44 3.4 / 5.2 (tire pressure) LT265/70R17 10PR 7.5Jx17 ET44 3.4 / 5.2 (tire pressure) LT265/70R18 10PR 8Jx18 ET44 3.4 / 5.2(tire pressure) LT265/60R20 10PR 8.5Jx20 ET44 3.4 / 5.2 (tire pressure) LT275/50R22 10PR 9Jx22 ET40 3.6 / 5.4 (tire pressure) |
| Wheel Bolt Pattern | 8x180 | |
| Seats | Regular cab - 3 Double cab - 5 (6) Crew Cab - 5 (6) | |
| EPA-estimated mpg | 12 combi | 18 hwy/ 15 combi |
| Lights | High-Intensity Discharge (HID) projector-beam headlamps. Includes GMC signature LED lighting. | |
| Tank Capacity | 36 gal | |
| Price | Base from $40,195 SLE from $46,495 SLT from $51,695 Denali from $57,795 | |
| Warranty | Basic: 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 | |
| Brakes | 4-wheel disc with 4-wheel antilock (includes Duralife brake rotors) | |
| Suspension | Front independent with torsion bars. Includes 33 mm front stabilizer bar Rear multileaf springs, semielliptical with urethane jounce bumpers | |
| Safety / Security | AIR 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 Rating | NHTSA 4 Stars Overall Rating | |