This next-generation Audi S4 could be the super-saloon that ends the German power wars. Our spies have caught the 2010 S4 undergoing high-speed testing at the Nurburgring and sources suggest that there’s a supercharged 3.0-litre V6 under the bonnet instead of the current model’s V8. Insiders tell us that Audi wants to reduce the weight and improve the fuel economy of its new S4, while offering performance that’s on a par with the current models.Meanwhile, it looks as though the range-topping RS4, likely to arrive in 2011, will retain its V8 in an effort to separate the appeal of the two variants. Audi sees the new S4 as a rival for the likes of BMW’s 335i while the next RS4 will take the fight to the M3.
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Re: Spied: New Audi S4
Re: Spied: New Audi S4
Yes, I understand the rationale behind using a smaller engine with forced induction over a larger NA engine. My question was really 'does the article mean turbine or belt-driven supercharger'. The problem with a belt-driven supercharger is a) The power to drive it is taken from the crankshaft and b) Its speed is determined solely by engine speed, meaning it's consuming power even when the engine is not being worked hard.
Given Audi's history of turbocharging, I would be surprised to see them using a belt-driven 'charger hence my question.
Re: Spied: New Audi S4
Im sure i also heard that there is a Twin Turbo version of Audi's 3.0 V6 petrol motor in development too? Maybe LOATHER can help? Surely they wouldnt produce both! Id guess the Turbo version is much more likely.