Campbell Newman is expected to lose his seat when Queenslanders go to the polls, meaning the state could have a new premier regardless of the result.
Queenslanders are likely to have a new premier, regardless of which party wins the state election.
Polling in the final days of the election campaign has put the incumbent Liberal National Party and Labor neck-and-neck.
Nevertheless, the LNP, which romped to power in 2012 by claiming 78 seats in the 89-seat parliament, remains the favourite for Saturday, given a massive 12 per cent swing is required for a change of government.
That said, Premier Campbell Newman is set to become the first Queensland premier in 100 years to lose his own seat.
Polls and political pundits predict Ashgrove rival and former Labor minister Kate Jones will avenge her 2012 loss in the inner-Brisbane electorate.
But Mr Newman and his ministers have refused to reveal the LNP's plan for who will lead the party if it wins and the premier loses.
He stuck to the party line during a debate with Opposition Leader Annastacia Palaszczuk on Friday.
"My firm belief ... is that Ashgrove will go with government," Mr Newman said.
"I'm absolutely convinced of that."
Treasurer Tim Nicholls, Health Minister Lawrence Springborg, Transport Minister Scott Emerson and Education Minister John-Paul Langbroek are the main contenders for the state's top job.
Mr Newman has taken the brunt of the criticism of many of the LNP's unpopular choices, including its $37 billion asset leasing plan, controversial anti-bikie laws and public stoushes with the judiciary, public servants and doctors.
Ms Palaszczuk has been quick to highlight the combative nature of the Newman government.
And she has made a clear distinction between the parties through her anti-privatisation campaign, arguing Labor's past plans to sell public assets were the main reason it was reduced to just seven seats in 2012.
Labor has since grown to nine seats after two by-elections, which had swings of more than 17 per cent against the LNP, but it will have to claim at least 36 more seats to govern in its own right.
Labor's hopes depend on whether voters are convinced by its modest spending campaign - the party has pledged a mere $1.6 billion, compared with almost $6 billion from the LNP backed by its privatisation plans.
Mr Newman hit out at Labor's modest promises and costings on Friday, telling Ms Palaszczuk: "You call it modest. I call it negligence."
The LNP and Labor have ruled out doing deals with minor parties and independents to form a minority government, with the LNP in particular urging Queenslanders to "just vote 1" to avoid a "chaotic" hung parliament.
Serial political candidate Pauline Hanson is contesting the seat of Lockyer, west of Brisbane, after again becoming leader of the One Nation party, but is not expected to win.
The Palmer United Party and the Queensland Greens are not expected to pick up seats, either.
Katter's Australian Party MPs Robbie Katter and Shane Knuth are expected to retain their seats, along with Sunshine Coast independent Peter Wellington.