I had our warehouse measure the Draw-Tite Trailer Hitch Receiver # 24966 you were looking at and from the center of the lower mounting holes to the top of the receiver measures 3", and from the back of the mounting flanges to the front of the receiver measures 9-7/8" as shown in the included diagrams.
This will fit pretty much the same as the hitch shown in your picture.
I included a picture of the # 24966 installed on a similar 2017 Toyota Prius Prime, and a video of it being installed... view full answer...
Yes. I went out to our warehouse and measured the distance from the center of the hitch pin hole to the receiver tube opening on part # 24966 and it's about 2-1/4 inches. view full answer...
I do recommend contacting Toyota to see if your 2018 Toyota Prius Prime can be towed on a dolly, though in regards to it being low-profile, there is a guideline by Demco with some measurements you will need to take to ensure it will work.
I have added a cut out from the linked instruction manual, and as you can see, there is a pretty simple formula that you'll use to determine proper clearance, and this is for both the Demco Kar Kaddy X Tow Dolly # DM9713093 and the Demco Kar Kaddy SS... view full answer...
Your MaxxTow Aluminum 2-Inch Hitch Cargo Carrier MT70108 could be used with a 1-1/4-inch to 2-inch hitch adapter like Brophy # HTAD or # HT5R but use of such adapters will cause you to lose half of your hitch's capacity. This loss comes from the actual load being moved further away from the hitch tube, which increase leverage on the hitch.
The 1-1/4-inch Class I hitches made for your 2018 Prius Prime, Draw-Tite # 24966 and Curt # C11473, have a 200-lb tongue weight (TW) rating which would... view full answer...
While the EcoHitch part # 306-X7369 is a 2 inch hitch, it does have lower weight capacities more associated with 1-1/4 inch hitches of 2,000 lbs trailer and 300 lbs tongue weight, since this hitch is designed to fit a lower capacity tow vehicle, the Prius Prime, it has the lower towing capacity. The larger hitch size does give you more options for hitch accessories since 2 inch hitch accessories are the most popular. view full answer...
The Curt hitch part # C11473 that fits your 2022 Toyota Prius Prime has a distance of 3 inches from the center of it's hitch pin hole out to furthest point out on rear bumper. view full answer...