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Thread: Audi R8 V12 TDI?

  1. #1
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    Audi R8 V12 TDI?

    Sorry if this is a repost but looks like Audi's more powerful R8 will have a V12 TDI engine and not the gas V10. Jeremy Clarkson will no doubt have a crap fit

    Audi R8 | Auto Express News | News | Auto Express

  2. #2
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    I vaguely remember hearing about this somewhere, but anyway, Diesel?! at least it's TDi!

    and for now, i call shenanigans on 28 mpg.....
    May the downforce be with you

  3. #3
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    A V12 that produces only 500 horsepower. i was hoping for a V10 like in the RS6 avant.
    Autoexpress also have the pictures of the new Rolls Royce's smaller phantom model to compete with the flying spur.
    Exaggeration is a bad thing. In fact, it is the root of all evil in this world

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  4. #4
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    Apparently they can't fit the turbocharged V10 because somehow the car catches fire.

    I wonder how a big twin turbo V12 will do there...
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    Hmmm with Diesel fuel as well

  6. #6
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    Quote Originally Posted by silverhawk View Post
    A V12 that produces only 500 horsepower. i was hoping for a V10 like in the RS6 avant.
    Autoexpress also have the pictures of the new Rolls Royce's smaller phantom model to compete with the flying spur.
    500 BHP plus 1000 nm of torque.....
    "I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams

  7. #7
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    Quote Originally Posted by henk4 View Post
    500 BHP plus 1000 nm of torque.....
    Yes, but the turbos need have a boost pressure of greater than 2.5 bar to develop that amount of horsepower and torque.

  8. #8
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    Quote Originally Posted by Kitdy View Post
    Yes, but the turbos need have a boost pressure of greater than 2.5 bar to develop that amount of horsepower and torque.
    where did you find that figure? In the specs of the Q7 V12?
    "I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams

  9. #9
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    No luggage space? Bullshit. Unless the engine is so big that they have to put it in the front too, then there will be no luggage space. Last time I checked mid engined means that none of it is up front ahead of the passenger compartment.

    Maybe cooling will sap a lot of space, but I doubt that there will be no luggage at all.

    The V-12 sounds cool though.

  10. #10
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    Quote Originally Posted by Kitdy View Post
    Yes, but the turbos need have a boost pressure of greater than 2.5 bar to develop that amount of horsepower and torque.
    Quote Originally Posted by henk4 View Post
    where did you find that figure? In the specs of the Q7 V12?
    Actually it's 2,6 bar.

    km77.com. Audi Q7. Información. Imágenes. (In spanish)
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  11. #11
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    Quote Originally Posted by Ferrer View Post
    Actually it's 2,6 bar.

    km77.com. Audi Q7. Información. Imágenes. (In spanish)
    I was close.

    Quote Originally Posted by henk4 View Post
    where did you find that figure? In the specs of the Q7 V12?
    I dug around the net.

    My question with this engine is was it created with the R8 roadcar in mind, or was it built as an option for the Q7 only? It seems like a lot of money to spend on an enigne just as a prototype, so it would stand to reason that Audi always intended this engine for use in the Q7/R8.

    henk4, you seem to enshrine diesel engines but after seeing the somewhat disappointing peak hp from this engine, I am not entirely sure that they are appropriate for performance cars. A twin-turbo 6L gasoline V12 with 2.6 bar of boost would develop absolutely massive peak hp and torque, and would weigh a significant amount less. The only region that would be not so great would be fuel economy, but as this is a performance vehicle, people are likely to care less about that sort of thing.

    Another minus for this engine is that if it does not use variable geometry turbos (does anyone know if it does?) it will likely suffer form massive turbo lag.

    On that note, does anyone know if VGTs are used in LMP cars?

  12. #12
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    Most probably this engine is destined to be under the bonnet of big Audis, namely the A8 and the Q7. And maybe the R8.

    Regarding the comparison with petrol engines, well the other 6 litre turbocharged engine in VAG only makes 560bhp and 650Nm so I guess this is not bad.
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  13. #13
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    Quote Originally Posted by MRR View Post
    and not the gas V10.
    Where does it say that?

    Quote Originally Posted by Ferrer
    only makes 560bhp and 650Nm
    Only?!
    Thanks for all the fish

  14. #14
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    Quote Originally Posted by Ferrer View Post
    Most probably this engine is destined to be under the bonnet of big Audis, namely the A8 and the Q7. And maybe the R8.

    Regarding the comparison with petrol engines, well the other 6 litre turbocharged engine in VAG only makes 560bhp and 650Nm so I guess this is not bad.
    What is the boost pressure of said engine?

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    Quote Originally Posted by Ferrer View Post
    Regarding the comparison with petrol engines, well the other 6 litre turbocharged engine in VAG only makes 560bhp and 650Nm so I guess this is not bad.
    Kitdy's point was perhaps that if this engine had 2.6 bar intake charge pressure it might have more power than in its current 1.7 bar guise. I wouldnt personally entertain that idea myself.
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