Lancia Epsilon

{{for|the similarly named car|Lancia Ypsilon}}{{More citations needed|date=January 2019}}{{Infobox automobile

| name = Lancia 20-30 HP

| image = Lancia Torpedo Type Epsilon (1912) jm64114.jpg

| caption = 1912 Lancia Epsilon with torpedo body

| manufacturer = Lancia

| aka = Lancia Epsilon

| production = 1911–1912

| class =

| body_style =

| layout = Front-engine, rear-wheel-drive

| related =

| engine = 4,080 cc I4 (petrol)

| transmission = 4-speed manual

| wheelbase = {{convert|2740|,|2932|,|3227|mm|in|1|abbr=on}}

| length =

| width = {{convert|1615|mm|in|1|abbr=on}}

| height =

| weight = {{convert|900|–|990|kg|lb|0|abbr=on}}

| predecessor = Lancia 20-30 HP Delta

| successor = Lancia 35 HP Theta

| sp = uk

}}

The Lancia 20/30 HP (Tipo 58), later known as Lancia Epsilon,{{efn|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.}} is a passenger car produced by Italian car manufacturer Lancia between 1911 and 1912. The car was quite similar to the previous 20/30 HP Delta model.{{sfn|Amatori|1992}} In total 357 were made.{{sfn|Amatori|1992}}