coefficient of drag - Alfa Romeo Forum
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coefficient of drag

ive read the 159 has a c0 efficient of 0.33 is that any good?
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Re: coefficient of drag

Not really, its about average these days- must be those headlights acting as air scoops !

Anything under a Cd of 0.30 is considered pretty good, anything over Cd 0.36 is pretty poor.
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Re: coefficient of drag

None of it really means anything until you multiply it by the cross-sectional area, when it becomes Cda

For reference the first Audi 100 "Aero" had a best Cd of 0.30 and bigger tyred versions were around 0.32.

There is a fascinating list on Wikipaedia here > Automobile drag coefficient - Wikipedia, the free encyclopedia
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Re: coefficient of drag

interesting. - I remember when the Calibra came out the marketing going on about it being the most aerodynamic production car.
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Re: coefficient of drag

I've never seen a published Cd for the 159, but if its confirmed its 0.33 then we can take comfort that it is better than the Aston Martin DB9, the Ferrari F430 and the Lamborghini Murcielago.

However, its the same as the Audi A3 and the Renault Modus! Oh the shame!

............and the Alfa 155 at only 0.29!

Big tyres mean BIG drag!

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