He first stood for mayor in 2001 and had been in the role for a decade.
Up until July he was also president of Local Government New Zealand.
Hours after counting began on Saturday night, Yule was in the lead, with 14, 064 votes- 52 per cent of the votes.
Lorck trailed behind with 10,941 votes.
In third place was New Zealand First candidate Joe Kairau with 1371 votes.
In June Lorck attracted complaints to the Advertising Standards Authority after constituents alleged her election billboards were misleading.
Her slogan was "Your local MP- here for you," although she wasn't the local MP.
Before signing up for politics she ran her own PR firm.