which was good for 50 hp (37 kW). It sold better and remained in production through to 1957 with 114,867 A50s being produced The deluxe version had a heater, leather seat facings, carpets replacing the standard rubber matting, armrests on the doors, twin-tone horns, a passenger sun visor, and some extra chrome, including overriders. Technical advances in the A50 Cambridge included an optional Borg-Warner overdrive unit for the top three (of four) gears. A semi-automatic transmission (branded "manumatic" and providing pedal-free clutch operation) was also offered, but it was unpopular with buyers. A number of modifications were introduced in October 1956, including smaller wheels and an increased compression ratio (8.3:1). A deluxe version tested by The Motor magazine in 1955, had a top speed of and could accelerate from 0– in 28.8 seconds. A fuel consumption of was recorded. The test car cost £720 including taxes. A radio and a clock were optional extras. As with its predecessor the A40 Somerset, the A50 Cambridge was built under licence by Nissan in Japan; the arrangement ended in 1959. In total, 20,855 licensed Austin vehicles were produced by Nissan in Japan. A55 Cambridge In January 1957, the A55 Cambridge was introduced to replace the A50 model. It used the same 1.5-litre B-Series engine as its predecessor, though with a higher compression ratio. It was rated at 51 hp (38 kW) at 4,250 rpm. The Cambridge had been restyled somewhat and now had a larger boot and much larger rear window. The car was also lowered by fitting road wheels which were smaller than those on the A50 but the overall gearing remained the same by changing the rear axle ratio. Two-tone paint was an option. Some 154,000 were produced before it was replaced by a new Pininfarina-designed A55 Cambridge for 1959. A deluxe A55 with manumatic transmission was tested by The Motor magazine in 1957 had a top speed of and could accelerate from 0- in 27.0 seconds. A fuel consumption of was recorded. The test car cost £870 including taxes of £291. Half-ton commercials Half-ton commercial models based on the A55 were introduced in 1957. The van was released in February and was followed in May by pick-up, chassis and cab and chassis and scuttle models. Contemporary sales literature used the term "Austin ½ ton van and pick-up". In October 1962, new models were introduced with a restyled front end and