I made the Model T for an Old West mod-in-progress that Vuldacon & I have been constructing in which it will be nearly last in a long list of buildable units. My intent was to make it available to all of the civs with the discovery of the Automobile, admittedly speeding up history a bit (there were no models of earlier cars that suited the bill, and the T is just so iconic). My intention was to make the car as useless as possible for the AI, while allowing (encouraging?) the human player to use the car as a unit transport. Thing is, even the cranky old Model T was superior to a horse in both speed and daily distance travelled, and that dramatically changed the power balance in the West (as we just discussed), so I had to get it into my 4th era somehow. I might still make it a scout.
On the other hand, it does have an attack - it can run over an enemy! If I was using it in a WWI mod, or AOI scenario, I think I'd be more likely to use it as a scout or a leader (and pretend that there's a general in the back seat).
