Humber Twelve sold at £265 in Saloon form, have a 44-bhp 1669-cc (69.5 x 110 mm) side-valve power unit, rated at 11.98 HP, and an 8 ft 24 in wheelbase. Gearbox is four-speed.
Humber Pullman chassis are supplied with Limousine, Landaulette, Limousine De Ville and Sedanca De Ville coachwork at prices ranging from £735 to £895. The bare chassis cost £425. They are mechanically similar to the Humber Snipe, with 23.8 HP 3.5-litre 76-bhp engine, but wheelbase is longer, at 11 ft.