Ford built its 1,000,000th Model T in 1915, a remarkable testament to Henry Ford’s vision and the widespread appeal of his robust, economical “Tin Lizzie.” Naturally, the vast majority of that year’s production rolled out of Ford’s modern factory in Highland Park, Michigan.

A comparatively small number of cars, however, including the 1915 Model T Runabout offered here, were built across the Detroit River at the Walkerville, Ontario plant.

In addition to their relative rarity, these Canada-built Model Ts differed from their Highland Park-made cousins in the details—including, notably, the addition of a functional driver’s side door.

The drivetrain remained the tried-and-true 20-horsepower L-head inline-four mated to a two-speed planetary transmission, but engine numbers began with a “C” to indicate their Canadian origin.

Such a powerplant, the number of which matches the car’s chassis plate, is properly fitted in this example.

Further adding to this car’s appeal, it sports new-for-...