R4
R4 or R 4 stands for:
- Renault 4 , small French car
- Audi 200 quattro Trans-Am (internal R4), German racing car
- BMW R 4 , a motorcycle manufactured by BMW between 1932 and 1937
- In-line four-cylinder, a type of engine in which four cylinders are arranged in line, see in- line engine
- Rychlostní silnice 4 , a Czech expressway
- Colin McRae R4 , a rally vehicle developed by Scottish rally driver Colin McRae
- DVD region code 4
- R4 (Belgium) , a Belgian motorway
- R4 (Slovakia) , a Slovak expressway
- the Hessian long-distance cycle route R4
- the Leica R4 35mm SLR camera
- the art project R4 (art project) on the Seine island Île Seguin in Paris
R-4 stands for:
- Autopista Radial 4 , a motorway in Spain
- Bisnowat R-4 , a Soviet air-to-air missile
- Caudron R-4 , a French military aircraft in World War I.
- Sikorsky R-4 , an American helicopter
See also:
