The Citroën CX Diesel caused quite a stir due to its unusual engine noise. However, the puzzled faces were not justified, as it turned out that a diesel engine and the Citroën CX were a surprisingly good match. On the highway, a remarkable top speed - for a diesel - was measured. But is this enough for the Citroën CX Diesel to compete with the Mercedes-Benz 240 D? This test report from 1976 explains.