Fiat boss Sergio Marchionne believes the Italian auto giant stands a more than 50 per cent chance of pulling off its takeover bid for struggling General Motors' unit Opel, reports said yesterday.

"Fiat has a more than 50 per cent chance of winning the battle for Opel because, at the end of the day, our offer is the only one based on industrial merit," La Stampa daily cited Mr Marchionne as saying.

Other suitors - Canada's Magna and the founder of US investment fund Ripplewood - "do not have that industrial base or are really financiers," Mr Marchionne said.

"We have seen how weak that can be with Chrysler, which was controlled by investment fund Cerebus," he added.

Fiat on Wednesday made a formal offer to take over Germany's Opel and Britain's Vauxhall, two European subsidiaries of General Motors which is on the verge of bankruptcy and being restructured with US government help.

Magna, with support from Russian manufacturer GAZ, and Brussels-based RHJ International, whose main shareholder is the founder of the US investment fund Ripplewood, also submitted offers.

Opel employs 25,000 people directly in Germany and its future is a major concern for the Berlin government.

The final decision on Opel, as well as other units of GM Europe including Britain's Vauxhall and Sweden's Saab, lies with General Motors itself and with the US government, but Berlin will sweeten any deal with loan guarantees.

GM is relying on more than $15 billion (€11 billion) in emergency government loans and faces a June 1 deadline to complete major restructuring or follow fellow US car maker Chrysler into bankruptcy.

Fiat, which has already sealed a tie-up with Chrysler, wants to combine GM's European, Latin American and South African operations with Chrysler's to create the world's second largest carmaker behind Japan's Toyota.

Fiat earlier negotiated a 20 per cent stake in bankrupt Chrysler in exchange for its production technology and can increase that to a controlling 51 per cent share in the US auto maker as long as Chrysler repays state aid.

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