 A big weakness of this system is that a failed drive belt would cripple the car.The last DAF design, codenamed P900, initially intended to be the DAF 77, was developed during the transition to Volvo ownership and was ultimately launched as the Volvo 300 series in 1976, firstly as the Volvo 343 three door hatchback with the Variomatic transmission.After initial slow sales, the range was expanded into the 340/360, with a five door variant and the availability of manual transmission, and the 340/360 range became a sales success, eventually surpassing 1.3 million units by the time production ceased in 1991.