The latest Newspoll predicts Tony Abbott is on course for a 40-seat win.
The poll published in The Australian newspaper on Saturday showed the coalition with 46 per cent primary vote support compared to Labor on 33 per cent, the Australian Greens on nine per cent and others on 12 per cent.
On a two-party preferred basis that translates to 54 per cent for the coalition against Labor's 46 per cent.
On who would make the better prime minister, 45 per cent of respondents backed Mr Abbott over 43 per cent for Mr Rudd.
Of those polled 44 per cent were satisfied with Mr Abbott's performance as opposition leader with 50 per cent dissatisfied while 33 per cent were satisfied with Mr Rudd's performance as prime minister while 58 per cent were not.
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The Australian said the results indicated Labor would lose up to 32 seats, reducing it to less than 50 MPs in the next parliament.
The poll of 2511 voters was conducted from September 3-5.
