The Type 15 was a version of the Type 13 with a longer, 2400 mm (94.5 in), wheelbase. It had a six-sided radiator in front and semi-elliptic rear leaf springs.
The Bugatti Type 15 was a longer wheel base version of the Type 13 and is one of the cars that helped to establish the Bugatti reputation. It is believed that this car was owned by the Bugatti family and was originally fitted with a saloon car body by coachbuilders Wiederkehr of Colmar. It is reputed to have been used on the Western Front during World War One.
Italian designer Ettore Bugatti worked for a number of German manufacturers before establishing his own factory at Molsheim, Alsace in 1909. Car production started in 1910 with the Type 13. Following World War One, with Molsheim now in French territory, Bugatti gained a reputation for building fine racing and sporting cars.
| Car type | Convertible |
| Curb weight | 650 kg (1433 lbs) |
| Dimensions | 3.40 m (134 in) long, 1.30 m (51 in) wide, 1.35 m (53 in) high |
| Wheelbase | 2.77 m (109 in) |
| Years built | 1910 – 1913 |
| Engine type | bugatti I4 |
| Displacement | 1.4 l (85 ci / 1399 cc) |
| Power | 18 ps (18 bhp / 13 kw) @ 3000 rpm |
| Torque | 18 Nm (13 lb-ft) @ 1100 rpm |
| Power / liter | 13 ps (13 hp) |
| Power / weight | 28 ps (27 bhp) / t |
| Torque / weight | 28 Nm (20 lb-ft) / t |
| Transmission | 4 speed |
| Layout | front engine, rear wheel drive |
