First 10 models of the "Gran Sport" were produced at the end of 1954, all of these were destinated to exportation. It's only in 1955 that it will be offered in Italy. It will be also knows as "Vespone" (big wasp). It was the first sportive vespa and it will rapidly be the best seller of the brand. The 150cc motor will be introduced during 1954 with a 4 speed manual transmission, a dual seat (able to carry 2 persons).
It will also use for the first time 10 inches diameter wheels. With all of theses improvements, The GS model will be able to reach a top speed of 100 km/h. A bulbed legshield on GS will also help to reduce the wind drag. Last 150 GS models produced were fitted with control cables hidden in the handlebar instead of outside cables on late models.
VESPA 150 GS
1955 VS1T -1001-13300
1956 VS2T -13301-23310
1957 VS3T -23311-35310
1958 VS4T -35311-47350
1958 VS5T -47351-52363
1954 VS5T -52364-70128
1960 VS5T -70129-104731
1961 VS5T -104732-127350