Outboard or inboard

What it means

An outboard hangs on the transom as a self-contained unit: motor, drive and propeller in one housing that tilts clear of the water. An inboard sits inside the hull and drives a shaft or a pod through the bottom. The choice shapes the boat around it.

What each one buys

An outboard is simpler to service and to replace, tilts up in shallow water, and frees the interior volume an engine bay would take. It is the usual answer on smaller boats and on anything trailered. An inboard puts the weight low and central, which helps stability and trim, runs quieter because the machinery is insulated inside the hull, and leaves the transom clear for a bathing platform. It is the usual answer on cabin boats and catamarans.

Why it matters

It changes draught, layout and the noise you live with. It also changes who can work on it: an electric outboard is a unit a dealer swaps, while an inboard installation is the yard's own engineering and ties you more closely to the builder.