Williams finance director, Alan Kinch (May, 15 2015)
"Costs went up by about £20m and the reasons for that were three-fold," Williams finance director, Alan Kinch, told the Independent. "The first one and the most significant one of all of them was the increase in costs in the power unit. So, moving from the traditional V8 engine to the new V6 hybrid essentially doubled the costs of the power unit and that was the biggest chunk... we have got a long-term contract with Mercedes – I wouldn’t say it is at a fixed rate but it is at a stable rate year on year.” However, any change to the engines would boost costs and this could be on the horizon. (link)
Ecclestone (Oct, 1 2012)
"I listened to the noise of the engines in (Ferrari's headquarters at) Maranello the other day, the new engine and the old engine, and even Luca di Montezemolo said it sounded terrible and didn't like it," Ecclestone said. "(Todt) will get rid of it. I think Luca is also saying we should suspend it for two or three years. I think it is sensible to get rid of it and stick with what we have got. It is much cheaper than the new one. It probably could be 30% of the price."I blame the FIA for this stupid engine formula. It really wasn't [Todt's] fault, (former FIA president Max) Mosley started the engine and then he got carried away... (link)