The NSU 5/15 PS was a two-seater sports roadster which built between 1914 and 1925 by NSU.

The engine was a four-cylinder unit with a displacement of 1232 cc (Bore × Stroke 70 × 78 mm). This produced 15 hp at 2100 rpm. The engine was mated to a four-speed gear and a propeller shaft transmitted power to the rear wheels. The wheelbase of the cars is 2400 mm, the weigh is 1250 kg. This meant that the top speed was 60 km/h.

From 1921, the NSU 5/15 hp was offered with a highly modern pointed radiator. In addition to the Roadster, the Sedan was also available.