according to WHEEL OFFSET CALCULATOR
http://www.1010tires.com/Tools/Wheel-Offset-Calculator
for Rear Wheels
Current Wheel Specs
Width 9 inches Offset 44 mm --> 6 GC Wheel Specs
New Wheel Specs
Width 10.5 inches Offset 19mm --> F12/F13 M6 Wheel Specs
Results
Inner Clearance: 6mm MORE (the inside of the wheel to the strut housing)
Outer Position: EXTEND an extra 44mm (position of the outside edge of the wheel)
look like dose not fit
same problems here, i am looking for 343m wheels on 6 GC but can not find any information about fitment