List of Renault engines

Engines used by French automaker Renault SA have historically been referenced in technical specifications along two distinct systems:

The numeric engine referencing system used until the mid-1980s was simply the chronological sequence of engine development projects. Thus, variants based on the same engine block may have unrelated numbers.

The system in use since the mid-1980s is of the format XnY-zzz where

The A engine was an all-aluminum overhead valve inline-four designed in the mid-1960s for the Renault 16 and produced in three variants:

The B family (for the Billancourt factory where it was produced, also referred to as the Billancourt engine) was a cast-iron overhead valve three-bearing crankshaft inline-four designed in the mid-1940s for the 4CV and also used in the Renault 4 and Dauphine:

The C family (for the Cléon-Fonte factory where it was produced, also referred to as Sierra in early variants), being also a cast-iron overhead valve inline-four but now with a five-bearing crankshaft, designed in the early 1960s for the Renault 8. An extremely sturdy, low-cost design, it was continuously refined over its 35-year career and was used in every supermini and compact Renault type up to and including the 1993 Twingo:

The CH-serie was a 90° V6 engine developed by Gordini for Renault's autosport activities, the engine was used by Equipe Renault Elf in Formula One from 1973 to 1978. This François Castaing design was the predecessor of the famous EF series.

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