Parts Needed to Flat Tow 2018 GMC Acadia


Can this vehicle be flat towed behind motorhome


Expert Reply:

I took a look at the online owner's manual for your 2018 GMC Acadia. It states that the 3.6L V6 engine model, both front-wheel drive and all-wheel drive, can be flat towed with all 4 wheels on the ground. If you happen to have the 2.5L L4 engine, it states that this particular model cannot be flat towed with all 4 wheels on the ground. I just recommend verifying this information in your copy of the owner's manual, as it's possible that you have a slightly different model Acadia. The owner's manual will also detail the correct procedures and steps to take before heading out on your trip.

In order to flat tow your Acadia behind an RV, you will need base plates, a tow bar, safety cables, tow bar wiring, and a supplemental braking system.

Starting with the base plates, assuming you have the 3.6L engine, I recommend the Blue Ox Base Plate Kit # BX1728. These are custom fit for the vehicle and feature hidden reinforcements, along with removable bracket arms that will provide a clean look when it's not being towed.

Then for a compatible tow bar, I really like the Blue Ox Alpha # BX7380. This tow bar has a 6,500 pound towing capacity and a self-aligning design that will ease hookup. This particular tow bar also includes safety cables, so they will not need to be obtained separately.

For tow bar wiring, I recommend the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267, along with the Quick Battery Disconnect # RM-766. This diode kit will allow you to wire up the Acadia so that it accepts your RV's tail, brake, and turn signals. It includes a 6-Way that will be installed at the front of the vehicle, along with enough coiled wire to reach from there to the RV.

Then for a supplemental braking system, I highly recommend the Blue Ox Patriot II # BRK2016. This is an excellent, proportional system that will physically press down on the brake in your Acadia at the same time and with the same intensity that you apply to them in your RV. You will also need to add the 12 Volt Outlet Kit # RM-9332 to provide power to the system.

Lastly, you will likely need a high-low adapter in order to keep your tow bar level. I have attached an article that explains how to choose the best one for your setup, along with a link that will take you to our available selection. I have included video demonstrations and installation details for all the products mentions that you can also take a look at.

expert reply by:
Chris R

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