Long before online car configurators and interactive dealership portals, automotive enthusiasts explored an entirely different method of purchasing their dream rides—through mail-order catalogs and telephone orders. In an era where showrooms were limited and niche carmakers lacked extensive dealer networks, buying directly from the manufacturer via mail or phone was often the only option. This unconventional approach not only added an air of exclusivity but also fostered a unique connection between the buyer and the manufacturer. From iconic kit cars and limited-edition sports cars to quirky electric vehicles, we’ve rounded up 15 fascinating automobiles you could only acquire with a stamp and an envelope or by picking up the phone.