Alfa Romeo · 1911–1913
A.L.F.A 15 HP
The A.L.F.A 15 HP is a medium size car produced by A.L.F.A., a company that later became Alfa Romeo, from 1911 to 1913. The model was derived from the A.L.F.A. 12 HP and had a four-cylinder engine with 2,413 cc of displacement. Compared to the predecessor, the displacement was unchanged, but power output was increased. The 15-HP engine had a compression ratio of 4.2:1 and developed a maximum output of 24 hp (18 kW) at 2,400 rpm. Bore and stroke were, respectively, 80 and 120 mm (3.1 and 4.7 in). It was a front-engine, rear-wheel-drive car. The 15 HP had a three-speed gearbox, and was equipped with a parking brake. The track was 1,300 mm (51.2 in). The 15 HP was available in two types of body: torpedo and saloon. The car had a top speed of 95 km/h (59 mph). It was designed by Giuseppe Merosi and was priced at 9,500 lire.
Text from Wikipedia (CC BY-SA 4.0).
Predecessor: A.L.F.A 12 HP · Successor: A.L.F.A 15-20 HP
All Alfa Romeo A.L.F.A 15 HP data: UK builds, safety, recalls, model years →
Specifications
- name
- A.L.F.A. 15 HP
- Manufacturer
- A.L.F.A.
- Assembly
- Portello, Milan, Italy
- Production
- 1911–1913
- Layout
- Front-engine, rear-wheel drive
- Engine
- 2.4 L I4
- Transmission
- 3-speed manual
- Wheelbase
- 2920 mm
- Length
- 3780 mm
- Width
- 1400 mm
- Kerb weight
- 920 kg
- Predecessor
- A.L.F.A 12 HP
- Successor
- A.L.F.A 15-20 HP
- Top speed
- 95 km/h
Specification summary from Wikipedia (CC BY-SA 4.0). Measured facts from Wikidata (CC0). Check the linked sources for citations.
More photos
Sources
- Wikidata — https://www.wikidata.org/wiki/Q2345925CC0 1.0 · retrieved 2026-10-01
- Wikipedia — https://en.wikipedia.org/wiki/ALFA_15_HPCC BY-SA 4.0 · Text © Wikipedia contributors; revision 1274179722 · retrieved 2026-10-01
- Wikimedia Commons — https://commons.wikimedia.org/wiki/File:ALFA-15-HP.jpgCC BY-SA 2.0 be · Photo: Lennart Coopmans · retrieved 2026-10-01
- Car Model Index — https://models.autoculturesociety.com/Compiled record. Sources that do not permit reuse are not copied; this index is credited instead.