Lancia Delta (1911)

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Lancia 20-30 HP
Manufacturer Lancia
Also called Lancia Delta
Production 1911
Assembly Turin, Italy
Layout Front-engine, rear-wheel-drive
Engine 4,080 cc Tipo 56 I4 (petrol)
Transmission 4-speed manual
Wheelbase 2,740, 2,932 mm (107.9, 115.4 in)
Width 1,615 mm (63.6 in)
Kerb weight 900 kg (1,984 lb)
Predecessor Lancia 20 HP Gamma
Successor Lancia 20-30 HP Epsilon

The Lancia 20-30 HP (Tipo 56), later renamed Lancia Delta,[a] is a passenger car produced by Italian car manufacturer Lancia during 1911. The Delta was based on the earlier 20 HP Gamma, with an enlarged engine. 303 Deltas were made in total,[1] before it was replaced by the improved 20-30 HP Epsilon.

The Delta was built with two wheelbases, normal and short. The latter was destined for competition-oriented Corsa models, to be bodied as open two- or three-seaters.


The Delta was powered by a Tipo 56 side valve monobloc inline-four engine with a cast iron block. Cylinder bore measured 100 mm (3.9 in), and stroke 130 mm (5.1 in)—up 20 mm from the Gamma's Tipo 55—for a total displacement of 4,080 cc (249 cu in).[1] Output was 60 hp (45 kW) at 1800 rpm, and the car could reach top speed of 115 km/h (71 mph).[1]

The transmission was a 4-speed gearbox with a multi-plate wet clutch. The chassis was a conventional ladder frame, with solid axles sprung on semi-elliptic front and three-quarter-elliptic rear leaf springs. The brakes were on the transmission and on the rear wheels.


  1. ^ All early Lancia models were named after their tax horsepower rating, as was common practice; when in 1919 Lancia began naming its passenger cars with Greek alphabet letters, all earlier models were posthumously renamed in order of appearance—from the 1907 Alfa to the 1913 Theta.



  • Frostick, Michael (1976). Lancia. ISBN 0-901564-22-2. 
  • Amatori, Franco; et al. (1992). Storia della Lancia — Impresa Tecnologie Mercati 1906–1969. Milan: Fabbri Editori. p. 349.