GMC Towing Capacity
GMC Sierra 2500HD Towing Capacity
Maximum conventional towing capacity for the GMC Sierra 2500HD by model year (2015–2026).
18,500 lbs
2026 Max Towing
3,979 lbs
2026 Max Payload
Sierra 2500HD Towing Capacity by Year
Maximum conventional towing capacity when properly equipped.
| Year | Max Towing | Max Payload | Configuration for Max Tow |
|---|---|---|---|
2026Latest | 18,500 lbs | 3,979 lbs | 6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package |
2025 | 18,500 lbs | 3,979 lbs | 6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package |
2024 | 18,500 lbs | 3,979 lbs | 6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package |
2023 | 18,500 lbs | 3,979 lbs | 6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package |
2022 | 18,500 lbs | 3,979 lbs | 6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package |
2021 | 18,500 lbs | 3,979 lbs | 6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package |
2020 | 18,500 lbs | 3,979 lbs | 6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package |
2019 | 14,500 lbs | 3,534 lbs | 6.0L V8 Gas • Regular Cab • Trailering Package |
2018 | 14,500 lbs | 3,534 lbs | 6.0L V8 Gas • Regular Cab • Trailering Package |
2017 | 14,500 lbs | 3,534 lbs | 6.0L V8 Gas • Regular Cab • Trailering Package |
2016 | 14,500 lbs | 3,534 lbs | 6.0L V8 Gas • Regular Cab • Trailering Package |
2015 | 14,500 lbs | 3,534 lbs | 6.0L V8 Gas • Regular Cab • Trailering Package |
2026Latest
18,500 lbsPayload: 3,979 lbs
6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package
2025
18,500 lbsPayload: 3,979 lbs
6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package
2024
18,500 lbsPayload: 3,979 lbs
6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package
2023
18,500 lbsPayload: 3,979 lbs
6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package
2022
18,500 lbsPayload: 3,979 lbs
6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package
2021
18,500 lbsPayload: 3,979 lbs
6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package
2020
18,500 lbsPayload: 3,979 lbs
6.6L Duramax Diesel • Regular Cab • 5th Wheel/Gooseneck Prep Package
2019
14,500 lbsPayload: 3,534 lbs
6.0L V8 Gas • Regular Cab • Trailering Package
2018
14,500 lbsPayload: 3,534 lbs
6.0L V8 Gas • Regular Cab • Trailering Package
2017
14,500 lbsPayload: 3,534 lbs
6.0L V8 Gas • Regular Cab • Trailering Package
2016
14,500 lbsPayload: 3,534 lbs
6.0L V8 Gas • Regular Cab • Trailering Package
2015
14,500 lbsPayload: 3,534 lbs
6.0L V8 Gas • Regular Cab • Trailering Package
Important: Towing capacities shown are maximum conventional towing when properly equipped. Actual capacity varies by engine, drivetrain, cab configuration, axle ratio, and factory towing package. Always consult your vehicle's owner manual and the manufacturer's official towing guide before towing.