Christian Horner with Helmut Marko and Niki Lauda Niki Lauda has rejected suggestions Renault is trailing the pace, with the all new V6 turbo power units, by a around 80 horsepower.
Red Bull's Helmut Marko has mentioned the figure – dominant Mercedes' supposed advantage with its field-leading turbo V6 – on several occasions in the past weeks.
But Lauda, the Mercedes team chairman, said on Saturday: 'How can anyone really know?
'The answer is that no one knows the horse power figures; not Mercedes, not Renault, not Ferrari,' he told German television RTL in Shanghai.
'We all know roughly what our engines are producing, but not the differences,' triple world champion Lauda...
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