Looking at car hauler/trailer, need some dimensions, please.

I'll try to keep this short. I'm looking for a used trailer/hauler, and I found this one:

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Seller states right in the Listing: "...works great for cars...but fenders are a bit narrow for a full size pickup." But no dimensions were given in the Listing....

So I reached out to him, and he responded back with a dimension of 81" between the fenders (they're selling the house and have moved out, so he asked his neighbor to get this for me).

"That's great!", I'm thinking, as U-Haul trailers are 79" between the fenders, and I've used them quite a few times in the past.

So I drove out there this morning (a 1-1/2 hour trip), and his neighbor must be an absolute idiot, as here's the inside width dimension I get:

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No idea where the neighbor got 81"...from anywhere or anything!

So here's the ask: Those of you with trailers, what is your "inside width dimension", and what do you haul with it?

I'm curious about this because I assume moving cars around would be ok, but I'd also like to move some 1/2 ton trucks every now and then, and this 75-3/4" dimension is "right there" on two of my trucks (depends on the tires), and I'm wondering what others here have on their trailers so I can decide whether to grab this one (if that dimension is a "standard"), or if I should hold-off and keep looking.

Thanks!

Jim
He is probably lying to his wife or girlfriend also.