saudações pessoal.
eu estava pesquisando aqui a medida original das rodas 17" que vinham nos vectra I500 ou GSI na europa.
segue o que eu achei aqui na internet:
Irmscher Opel Vectra i500
as offered for 1999 since May 1999 in Europe
Vectra i500 phase-II
May 1999 - August 2000
Standard tire size for 1999 Irmscher Opel Vectra i500:
(in case of different tires in front and rear the dimensional data are valid for driving or rear wheels)
Standard tire size:
215/45 R 17 W
Tire width (mm):
215
Tire sidewall factor:
45
Rim size (in):
17
Total wheel diameter (mm / in):
625 / 24.6
espero que isso ajude quem estiver procurando colocar rodas no vectra