semi or fully synthetic??

Part synthetic will be fine.
See
http://www.halfords.com/webapp/wcs/stores/servlet/EngineOilGuidedSalesCmd?action=findEngineOils&vrn=&storeId=10001&catalogId=10151&categoryId=165581&langId=-1&engineInd=1&makeName=23&modelName=2325&dvlaYear=41&subset=2325100&amountRequired=fullService&x=66&y=11

ChicksFan
October 2010

the cheaper one will do,no problem,expensive oils are for high performance engines,not a ka.

gts
October 2010