What is the Maximum Hummer EV Towing Capacity?

3 min read

Hummer ev towing capacity

If you have a vehicle like the Hummer EV, you’re likely to want to tow a trailer of some kind on occasion.
That’s great. However, you should always take care when towing loads (especially large and heavy ones).
Always follow the advice found in your owner’s manual. Never pull anything that compromises the maximum limits of your GMC Hummer EV and its towing capacity!
Doing so could result in serious damage, legal compensation, injury, and even death. It would also void your warranty.
With that warning out of the way, here is what you need to look for.

What is the maximum Hummer EV towing capacity?

The only way to know this for sure is to examine your individual vehicle. You’ll find all the information you need on the B-pillar and in your owner’s manual.
If you’re struggling, give your local dealer a ring or take your vehicle to them.
Never take any risks when towing heavy loads!
The standard GMC Hummer EV Pickup and SUV have maximum towing capacities of at least 6,000 pounds. So far, we have yet to see any tow capacities above 7,500 pounds. Never drive until you know yours for sure.

Understanding gross vehicle and trailer weights

Towing is more dangerous than you might think. Before connecting a trailer to your GMC Hummer EV, you must meet all the tow capacity demands.
These are:

  • GCWR (Gross Combined Weight Rating)
  • GVWR (Gross Vehicle Weight Rating)
  • GAWR-RR (Gross Axle Weight Rating – Rear)
  • Maximum Trailer Weight RatingMaximum Trailer Tongue Weight Rating
  • Trailer Load Balance

To be sure, you’ll need to take your vehicle and trailer to a public scale to measure the weights of the following:

  • The two combined
  • The Hummer EV alone
  • The trailer alone

You must be packed and ready for your trip, meaning both the vehicle and trailer are fully loaded.

What do all the measurements mean?

This section explains a little more about each weight measurement you need to make.
All of the real-life readings must be less than the listed limits! If, for example, your GCWR is higher than it should be, you’ll need to unload some things or find a different tow vehicle.
To reinforce the point, never exceed these limits! You must check them all before towing heavy loads.
Go to a public scale to accurately measure your vehicle’s and trailer’s weights.

GCWR – Gross Combined Weight Rating

This is the combined weight of your vehicle, the trailer, and everything in both of them (including passengers).
In the Hummer EV owner’s manual, GMC advises calculating GCWR as follows:
Add the following up:

  1. Curb weight
  2. Trailer weight
  3. Trailer contents weight
  4. Passenger and driver weights
  5. Cargo and luggage in the vehicle weights
  6. Hitch equipment and hardware weights
  7. Any aftermarket accessories or other weights

The most accurate reading comes from driving your truck and trailer to a public scale.

GVWR – Gross Vehicle Weight Rating

This is the maximum gross weight of the vehicle and everything in it.
This includes:

  • The curb weight
  • Passengers and driver weights
  • Cargo and luggage weights
  • Optional extras (like tow hardware)
  • Trailer tongue weight
    • (This is another downward force acting on the vehicle)
  • Aftermarket accessories

GAWR-RR – Gross Axle Weight Rating (Rear)

GAWR-RR is the total gross weight applied to the rear axle.
It consists of the following:

  • Weight over the rear axle
  • Contents of the vehicle weights
  • Passenger and driver weights
  • Aftermarket accessory weights
  • Towing hardware weights
  • Trailer weight
  • Trailer contents weight
  • Trailer tongue weight

Maximum Trailer Weight Rating

This is the heaviest trailer your vehicle can tow.
It assumes you have a driver, a front passenger, and all the required towing equipment (correctly installed).
You can use GM’s tow rating guide to establish your Hummer EV’s maximum trailer weight rating.

Maximum Trailer Tongue Weight Rating

The Maximum Trailer Tongue Weight Rating is the heaviest trailer tongue the Hummer EV can support with a conventional hitch.
Your Hummer EV Trailer Tongue Weight Rating is on the Towing Label.

Trailer Load Balance

You’ll also need to take the Trailer Load Balance into account. This is the percentage of weight supported at the trailer tongue.
It’s calculated as the tongue weight (measured at the hitch point) divided by the gross trailer weight (measured at the axle) multiplied by 100.

  • The Trailer Load Balance should be 10% to 15% for standard trailer tongues.
  • The Trailer Load Balance should be 15% to 25% if you have a fifth-wheel or gooseneck tongue.

Trailer Load Balance doesn’t apply to certain trailer types, such as boat trailers.
You’ll need a public scale to accurately measure this.
Find more information on Trailer Load Balance in your GMC Hummer EV owner’s manual.

Hummer EV towing capacity and limits

Before driving with a heavily-laden vehicle and trailer, you must ensure you aren’t exceeding any of these limits. Doing so could be catastrophic and potentially fatal.
Consider using Tow/Haul for very heavy loads (above 75% of any limits) and leaving Four-Wheel Steering in Automatic mode.
Consult your owner’s manual and Towing Label for detailed information on what you need. Don’t attempt to tow any heavy loads until you’ve done so and checked you aren’t exceeding any weight restrictions.
While this article summarizes the GMC Hummer EV’s tow capacity and limits, it can’t be vehicle-specific. It’s your responsibility to check this (strictly) before driving and risking lives.
Find your Towing Capacity Label on the B-pillar of your Hummer EV.
Find a copy of the Hummer EV’s owner’s manual below.

owners manual

By Ben Kitchen Ben is a qualified car mechanic with experience working in the industry. He now works as an automotive author, writing about all things vehicle-related. He’s excited about the potential held by electric cars of all shapes, sizes, and types.

Ben Kitchen Ben is a qualified car mechanic with experience working in the industry. He now works as an automotive author, writing about all things vehicle-related. He’s excited about the potential held by electric cars of all shapes, sizes, and types.

How to program Hyundai IONIQ 5 garage door opener

Modern cars come equipped with various advanced features, including the ability to open garage doors with just the touch of a button. If you own a Hyundai IONIQ 5, you’ll need to learn how to program the garage door...
3 min read

What are the dimensions of the Tesla Model Y?

The Tesla Model Y is one of the best-selling cars of all time, smashing records left, right, and center. Its SUV crossover build makes it ideally suited to markets worldwide. In fact, it was the most-bought electric car in...
2 min read

How to operate the sunroof (vision roof) of your…

If you have an IONIQ 5, you might wonder how to use its sunroof or Vision Roof. The Vision Roof is a fantastic addition to your vehicle, offering an unobstructed view of the sky while driving. In this article,...
2 min read

Leave a Reply

Your email address will not be published. Required fields are marked *

Never miss a story from us, get weekly updates in your inbox.