The labour union at General Motors Korea on Thursday approved a 2011 wage deal with the management in a vote, a union official said.

According to Reuters, GM Korea agreed to give workers record bonus and incentive payments of KRW6.5m (US$6,144) each and hike basic salaries by 4.7% under the tentative agreement with its union reached on Monday.

"Voter turnout was 98.85 and 55.9% of the voters were in favour of the deal," the union official said.