Alfa Romeo RM


The Alfa Romeo RM was produced between 1923 and 1925, based on the RL model. It was introduced for the first time at the 1923 Paris Motor Show and total production was around 500 cars. The RM had a 2.0 L straight-4 engine which produced between to. As were most of Alfa Romeo's cars, this was also used in motorsport.
Three versions were made: Normal, Sport and Unificato. Sport had a raised compression ratio, and Unificato had longer wheelbase and a slightly bigger engine.
The RM's top speed was around.
ModelEngine displacementMax powerYears produced
RM Normal1944 cc
RM Sport1944 cc
RM Unificato1996 cc

Alfa Romeo half-track

A very rare half-track version based on the RM was built in the 1920s. The half-track used an RM straight-4 engine modified to work with dry sump lubrication. The track used was licensed to Citroën Kegresse, and only one example is known survive.