Paul Sengupta wrote:

So was the 185 ever widened?

No.

When did it get 6 seats, or did it always have 6 seats in certain guises?

It always had 6. The 180 had 6 after 1963.

In the same size plane as a 180?

Yep.

Or as a later 182?

The 182 is longer and taller, but has the same wingspan.

George Patterson
Great discoveries are not announced with "Eureka!". What's usually said is
"Hummmmm... That's interesting...."