2018 GMC Sierra 2500 HD Towing Capacity

Compare the ratings published for this model year, then match engine, cab, bed, drivetrain, axle ratio, and listed equipment to the truck.

Find your exact towing capacity Run the 2018 Sierra 2500 HD lookup → Check towing capacity by VIN Decode your VIN to prefill the 2018 lookup → View full comparison chart Review every configuration and published tow type →

24 configuration groups · 48 published rating outcomes

Published Max
18,100 LBS
Rating Groups
24
Equipment Checks
0
2018 Sierra 2500 HD towing chart
Engine group

6.6L Duramax Turbo-Diesel V8

12,400–18,100 lbs

Published tow type

Conventional towing

Receiver-hitch trailer ratings published by GMC.

12 published outcome s 12 exact 13,000 to 14,500 lbs published
Crew Cab
Long Box 2WD 3.73 14,500 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 3.73 14,500 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 3.73 13,000 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 3.73 13,000 lbs Not listed No additional condition listed p.19 Exact
Double Cab
Long Box 2WD 3.73 14,500 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 3.73 14,500 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 3.73 13,000 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 3.73 13,000 lbs Not listed No additional condition listed p.19 Exact
Regular Cab
Long Box 2WD 3.73 14,500 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 3.73 14,500 lbs Not listed No additional condition listed p.19 Exact
Cab not listed by GMC
Standard Box 2WD 3.73 13,000 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 3.73 13,000 lbs Not listed No additional condition listed p.19 Exact
Published tow type

Fifth-wheel / gooseneck towing

GMC publishes one shared rating for these hitch types in this source; the chart does not support splitting it into separate fifth-wheel and gooseneck values.

12 published outcome s 12 exact 12,400 to 18,100 lbs published
Crew Cab
Long Box 2WD 3.73 14,800 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 3.73 12,400 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 3.73 15,400 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 3.73 13,500 lbs Not listed No additional condition listed p.19 Exact
Double Cab
Long Box 2WD 3.73 15,700 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 3.73 13,700 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 3.73 16,400 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 3.73 14,400 lbs Not listed No additional condition listed p.19 Exact
Regular Cab
Long Box 2WD 3.73 18,100 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 3.73 15,900 lbs Not listed No additional condition listed p.19 Exact
Cab not listed by GMC
Standard Box 2WD 3.73 15,400 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 3.73 13,500 lbs Not listed No additional condition listed p.19 Exact
Engine group

6.0L Vortec V8

13,000–14,800 lbs

Published tow type

Conventional towing

Receiver-hitch trailer ratings published by GMC.

12 published outcome s 12 exact 13,000 to 14,500 lbs published
Crew Cab
Long Box 2WD 4.10 14,300 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 4.10 13,900 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 4.10 13,000 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 4.10 13,000 lbs Not listed No additional condition listed p.19 Exact
Double Cab
Long Box 2WD 4.10 14,400 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 4.10 14,100 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 4.10 13,000 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 4.10 13,000 lbs Not listed No additional condition listed p.19 Exact
Regular Cab
Long Box 2WD 4.10 14,500 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 4.10 14,500 lbs Not listed No additional condition listed p.19 Exact
Cab not listed by GMC
Standard Box 2WD 4.10 13,000 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 4.10 13,000 lbs Not listed No additional condition listed p.19 Exact
Published tow type

Fifth-wheel / gooseneck towing

GMC publishes one shared rating for these hitch types in this source; the chart does not support splitting it into separate fifth-wheel and gooseneck values.

12 published outcome s 12 exact 13,900 to 14,800 lbs published
Crew Cab
Long Box 2WD 4.10 14,200 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 4.10 13,900 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 4.10 14,300 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 4.10 14,000 lbs Not listed No additional condition listed p.19 Exact
Double Cab
Long Box 2WD 4.10 14,400 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 4.10 14,100 lbs Not listed No additional condition listed p.19 Exact
Standard Box 2WD 4.10 14,500 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 4.10 14,200 lbs Not listed No additional condition listed p.19 Exact
Regular Cab
Long Box 2WD 4.10 14,800 lbs Not listed No additional condition listed p.19 Exact
Long Box 4WD 4.10 14,500 lbs Not listed No additional condition listed p.19 Exact
Cab not listed by GMC
Standard Box 2WD 4.10 14,300 lbs Not listed No additional condition listed p.19 Exact
Standard Box 4WD 4.10 14,000 lbs Not listed No additional condition listed p.19 Exact

This chart shows GMC-published ratings and configuration-specific conditions, not complete trailering instructions. Confirm your truck’s equipment and follow its owner’s manual and vehicle labels before towing.

ENGINE GROUPS

Published Ratings by Engine

Your engine determines your base towing limit. Start here to see the 2018 ratings for your specific Sierra 2500 HD configuration.

Equipment-dependent ratings remain labeled until the listed truck details are confirmed.

6.6L Duramax Turbo-Diesel V8 12 configuration groups
Range: 12,400–18,100 lbs
Published max 18,100 LBS
6.0L Vortec V8 12 configuration groups
Range: 13,000–14,800 lbs
Published max 14,800 LBS
Technical Audit

Data sources

These citations identify the GMC trailering-guide pages used for the 2018 Sierra 2500 HD chart ratings.

Show source pages for the 2018 guide
DOC_ID: 2018-GMC DOCUMENT BASIS

2018-GMC-Trailering-Guide

Audit Scope PAGES: 19