2020 GMC Yukon Towing Capacity & Payload Specs

The 2020 GMC Yukon can tow between 6,300 and 8,500 pounds, depending on the specific engine, drivetrain, wheelbase, and whether or not it is equipped with the Heavy-Duty Trailering Package. As a full-size, truck-based SUV, the Yukon is a highly capable family hauler that meets SAE J2807 towing standards, making it an excellent choice for pulling boats, travel trailers, and toy haulers.

When determining exactly how much your specific SUV can pull, you must consider the powertrain and the payload. Because ratings can vary significantly across different configurations, always verify your exact limits by checking the manufacturer’s door-jamb sticker.

Quick answer

• Max Towing Capacity: 8,500 lbs (Standard wheelbase, 5.3L V8, 2WD with HD Trailering Package)
• Max Payload Capacity: Up to 1,695 lbs (varies by trim and equipment)
• GVWR (Gross Vehicle Weight Rating): 7,100 lbs to 7,500 lbs
• GCWR (Gross Combined Weight Rating): Up to 14,000 lbs
• Curb Weight: 5,379 lbs to 5,965 lbs
• Hitch Class & Tongue Weight: Class IV receiver; maximum tongue weight is generally 10% of the max tow rating (up to 850 lbs with a weight-distributing hitch).

Tow ratings by engine & trim

The 2020 GMC Yukon offers two V8 engine options: the 5.3L V8 (355 hp, 383 lb-ft of torque) and the 6.2L V8 (420 hp, 460 lb-ft of torque) found primarily in the Denali trim. Note: The extended-wheelbase Yukon XL models generally have towing capacities that are 200 to 300 pounds lower than the standard wheelbase models due to their higher curb weight.

Here is the breakdown for the standard-wheelbase 2020 GMC Yukon:

Always remember that passenger weight, cargo, and aftermarket accessories will reduce your available payload and, consequently, your real-world towing capacity.

Tow package contents

To achieve the absolute maximum tow rating of 8,500 pounds, the 5.3L Yukon must be equipped with the Heavy-Duty Trailering Package (RPO code NHT). Even if you aren't towing at the absolute limit, this package provides crucial upgrades to keep your powertrain healthy and your trailer stable. The package includes:

• Integrated Trailer Brake Controller: Allows the driver to adjust and manually apply the electric trailer brakes from the dashboard.
• Revised Axle Ratio: Upgrades the rear axle to a 3.42 ratio for better low-end pulling power.
• External Transmission Oil Cooler: Keeps transmission fluid temperatures in check during heavy loads and steep grades.
• Premium Smooth Ride Suspension: Includes a rear air-leveling system to prevent the rear end from sagging under heavy tongue weights.
• 2-Speed Active Transfer Case: Exclusively on 4WD models, providing optimized gearing.

All 2020 Yukons come standard with a factory-installed Class IV hitch receiver, a 7-wire harness with an independent fused trailering circuit, and Trailer Sway Control integrated into the StabiliTrak electronic stability control system.

5th-wheel & gooseneck

Because the 2020 GMC Yukon is an SUV with an enclosed cabin and roof over the cargo area, it is strictly limited to conventional bumper-pull towing. 5th-wheel and gooseneck hitches require an open truck bed directly over or slightly forward of the rear axle. If you need to pull a 5th-wheel or gooseneck trailer, you will need to upgrade to a Heavy-Duty (HD) pickup truck like the GMC Sierra 2500HD or 3500HD.

Weight distribution & WDH requirements

For conventional towing with the 2020 GMC Yukon, General Motors highly recommends the use of a Weight-Distributing Hitch (WDH) for any trailer weighing over 4,000 pounds.

A WDH utilizes spring bars to leverage the tongue weight off the rear axle and distribute it evenly across all axles of the tow vehicle and the trailer. This restores weight to the front wheels of the Yukon, improving steering response, braking performance, and headlight aim. Furthermore, without a WDH, the Yukon's standard hitch receiver is typically limited in its dead-weight tongue capacity (often around 600 lbs). Always pair your WDH with proper sway control mechanisms.

Real-world towing tips for this vehicle

• Watch the Payload: The Yukon is a family vehicle, meaning you are likely carrying passengers. If you put 800 lbs of family and gear inside the cabin, an SLT's payload might drop to just 800 lbs. If your trailer has an 800-lb tongue weight, you are completely maxed out on GVWR before you even add a full tank of gas.
• Utilize Tow/Haul Mode: Always engage Tow/Haul mode when towing. This alters the transmission shift points, keeping the vehicle in a lower gear longer to improve acceleration and increase engine braking on downhill stretches.
• Monitor Temperatures: Keep an eye on your Driver Information Center (DIC) for engine coolant and transmission fluid temperatures, especially when pulling grades in the summer heat.

Common towing-related issues

While the 2020 Yukon is a stout tow vehicle, heavy towing can accelerate wear on certain components. Keep an eye out for:

• Transmission Heat: The 6-speed and 10-speed automatics can run hot if towing at the upper limits without the external cooler. Regular fluid changes are critical if you tow frequently.
• Rear Air Suspension Failure: The auto-leveling rear shocks are prone to leaking over time. If your Yukon's rear end is sagging drastically when you hook up the trailer, or if the air compressor is constantly running, you likely have blown air shocks.
• Brake Wear: The factory brakes on the Yukon have to work hard to stop nearly 6,000 lbs of SUV plus a trailer. Warped rotors are common if the trailer brakes are not adjusted correctly.

If you suspect your suspension is failing, need a transmission fluid flush, or want a comprehensive pre-trip inspection before towing your camper, do not leave it to chance. Find a trusted shop on Repairius.