2019 GMC Sierra 1500 — Towing Capacity & Payload

Quick answer

• Max conventional towing capacity (properly equipped): up to about 12,200 lb (SAE J2807)
• Max payload: roughly 1,500–2,240 lb (varies widely by cab/bed/trim)
• GVWR range: ~6,800–7,200 lb (configuration dependent)
• GCWR range: ~12,000–15,000 lb (engine/axle/package dependent)
• Curb weight range: ~4,500–5,600 lb (cab/bed/4x4 dependent)
• Factory hitch receiver: 2-inch, typically Class III/IV; weight-carrying around 5,000/500 lb and up to roughly 9,500–12,000/950–1,200 lb with a weight-distributing hitch (check receiver label)

How much can a 2019 GMC Sierra 1500 tow? When properly equipped and rated under SAE J2807, the Sierra 1500’s maximum conventional tow rating tops out around 12,200 pounds, with lower limits for other engines, drivetrains, and trims. Because ratings vary significantly by configuration, always confirm your exact truck’s capacities on the driver’s door-jamb Tire and Loading label and in the owner’s manual.

Tow ratings by engine & trim

Notes:

• Figures reflect typical SAE J2807 limits published for 2019 light-duty GM trucks. Actual values depend on cab (Regular/Double/Crew), bed length, 2WD vs 4WD, axle ratio, and whether the Max Trailering Package is equipped. Denali trim often has lower tow/payload due to curb weight.
• If your truck’s door-jamb label lists a lower payload or the receiver label lists a lower tongue rating, those limits govern.

Tow package contents

• Trailering Package (varies by trim): 2-inch receiver hitch, 4-pin and 7-pin trailer wiring, Hitch Guidance in rear camera, automatic locking rear differential (G80) on many trims, and Tow/Haul mode calibration.
• Integrated Trailer Brake Controller (ITBC): Factory option; interfaces with the in-dash trailering app and driver information center for gain/output display.
• ProGrade Trailering System (availability by trim): In-vehicle trailering app, trailer light test, hitch guidance lines, electrical diagnostics, and maintenance reminders; compatible with a trailer TPMS/temperature accessory.
• Max Trailering Package (select engines/trims): Higher-capacity rear axle, 3.42 axle ratio on many builds, revised springs/shocks, enhanced cooling (aux/HD radiator and transmission cooling), and an upgraded hitch platform.
• Trailer Sway Control: Standard via StabiliTrak; applies individual wheel braking and reduces engine torque if sway is detected.

Always verify your RPO codes/window sticker for the exact package content on your truck.

5th-wheel & gooseneck

The 2019 Sierra 1500 (light-duty) was not factory-offered with a 5th-wheel/gooseneck bed prep. GM does not commonly publish separate 5th-wheel ratings for the 1500; use your truck’s GCWR, GVWR, and payload as the primary constraints. Pin weight on a 5th-wheel is typically 15–25% of trailer weight, which means many half-tons run out of payload well before they reach any high advertised tow number. If adding aftermarket bed rails or a gooseneck ball, ensure the hardware and the truck’s receiver/frame ratings are not exceeded and confirm any impact on warranty/insurance.

Weight distribution & WDH requirements

• GM recommends a properly sized weight-distributing hitch (WDH) when towing heavier trailers or when tongue weight causes rear-suspension sag. A practical rule is to use a WDH when trailer weight exceeds about 5,000–6,000 lb or tongue weight exceeds ~600 lb, but always follow the owner’s manual.
• Many factory receivers carry higher ratings when used with a WDH. Check the sticker on your specific receiver for both weight-carrying (WC) and weight-distributing (WD) limits, and never exceed the lower of truck, receiver, or hitch ratings.
• Set up WDH so that front axle ride height returns near unladen height; verify with scale tickets if possible.

Real-world towing tips for this vehicle

• Verify payload: Subtract your actual occupants/cargo/tongue weight from the payload number on the door-jamb label. Tongue weight should usually be 10–12% of a well-balanced conventional trailer.
• Axle ratio and packages matter: The Max Trailering Package and 3.42 axle ratio can add thousands of pounds of capacity versus base gearing.
• Watch temperatures: Use Tow/Haul mode and monitor transmission temps on grades. The Max Trailering Package includes enhanced cooling that’s beneficial for frequent heavy towing.
• Tires and pressures: Use LT tires where appropriate and inflate to the pressure on the tire/load table for your load. Underinflation is a common cause of sway and heat.
• Sway control and brake gain: Enable Trailer Sway Control and set trailer brake gain with a few low-speed stops in a safe area before heading out.
• Scale it: If you’re near limits, get axle and gross weights at a public CAT scale to confirm you’re within GVWR/GAWR/GCWR.

Common towing-related issues

• 8-speed automatic shudder (some 5.3L/8-spd trucks): Keep transmission software up to date; fluid exchanges with the latest spec fluid have been a common remedy.
• AFM/DFM drivability: Tow/Haul mode adjusts shift logic and can reduce unwanted cylinder deactivation feel when towing.
• Rear sag/headlights aim: Consider WDH setup, correct spring bars, or helper springs/air bags within ratings—do not exceed GVWR/GAWR.
• Brake controller/wiring faults: Use the factory ITBC when possible; inspect 7-pin connector for corrosion and confirm good grounds.
• Cooling and aero: Keep grille and coolers unobstructed; bugs/debris can raise engine/trans temps under load.

About SAE J2807

By 2019, GM’s light-duty truck tow ratings followed the SAE J2807 standard. If you encounter different numbers from older brochures or third-party listings, they may reflect pre-J2807 methods or apply to the 2019 Sierra 1500 Limited (carryover K2 platform) with different configurations. Always default to your specific truck’s labels and the owner’s manual.

When in doubt, confirm your exact capacities by VIN in the owner’s manual and on the driver’s door-jamb sticker. Need help checking or setting up a hitch? Find a trusted shop on Repairius.