• Apr 25, 2008
After a report yesterday that the next S4 would be benefiting from a supercharger, Volkswagen AG's powertrain head, Wolfgan Hatz, presented the automaker's new 3.0-liter TFSI engine at the Vienna Motor Symposium. According to Auto Motor und Sport, the new engine will be fitted with a blower and putting out around 350 hp when fitted to the next generation S4. The supercharged six is expected to return better fuel mileage than its V8 counterpart and will also be fitted to the refreshed A6, due out towards the end of this year, although output will be reduced to 290 hp and 310 lb.-ft. of torque. Additionally, both models will benefit from a Magna-sourced sports differential that will migrate to the Q5 and S5 down the line. No timeframe was provided about the release of the S4, but we'd expect to see the A6 replacement in Paris, with the S4 debuting at the LA Auto Show in November.

[Source: Auto Motor und Sport via MotiveMag]


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  • 17 Comments
      • 6 Years Ago
      350 horses out of a blown 6? Even if it is a 3.0L, that seems pretty paltry for what's going to be a high-priced sports sedan. Porsche just upped the 3.8L 6 in the S models to nearly 400 horsepower, Nissan has their 3.7 churning out at least 330 along with the 3.8L making 350 horsepower in the Fairlady Type 380RS (non-competition).

      I'm sure that all of those engines probably get worse fuel economy than this thing will, but still.
        • 6 Years Ago
        Not if you compare it to the 300hp in the 3.0L in the BMW *35s
        • 6 Years Ago
        The old 2.7T from Audi was only rated at 270.

        Thing is, that rating was low. It was more like 300.

        I really don't care what the listed HP is. I'm more interested in actual performance. If it does 0-60 in under 6 sec. and a top speed over 140, the S4 could have a 90hp 3 cylinder for all I care.

        In fact, I'd be more than happy if they listed this new engine at 100HP. That would probably be great for insurance purposes.

        Only teenagers(that never actually own these cars) or short, pudgy, balding men have pissing contests over HP.
        • 6 Years Ago
        You're not lookign at teh big picture. Its called life-cycle management. By launching it at 350, they can turn the wick up a bit down the road to keep interest in the car over its life cycle.

        This common practice done by many, if not all, OEMs.
      • 6 Years Ago
      So if 350hp from a blown 3.0L 6 is paltry, what's that make the 300hp from the 335i's 6 pot? pathetic?
        • 6 Years Ago
        The 335i is making more than 300hp (pretty much common knowledge) and the turbos on the thing are minuscule. That said, it too is a bit disappointing given that the old 3.2L S54 was making in excess of 350 horsepower naturally aspirated in its "ultimate" factory form (in the 5-year old M3 CSL). It just feels like they aren't trying.
      • 6 Years Ago
      Correction:

      Vishnu can do it under warranty and Dinan has the oil cooler upgrade.

      Sorry, I don't want to over-generalize.
      • 6 Years Ago
      but i thought blowers were only for low tech domestic dinosaurs?
        • 6 Years Ago
        Or to Alpina.
        • 6 Years Ago
        naggs, I agree!
        Look at MINI, they had a blower, but got smart and evolved to a turbo.

        Audi will do the same
        • 6 Years Ago
        No mater how you do it, turbo's and positive displacement chargers like most OEM's use have complete different feels. No matter how you build/tune a engine turbo's have slight lag, and power is not just dependant on engine speed, you also have engine load. Supercharged motors power is directly related and only related to engine speed. Its a holy different feel to drive, something manufacturers seem to be obsessed with
        • 6 Years Ago
        Tell that to Merc
      • 6 Years Ago
      Huh... interesting. I guess they went to the blower for packaging reasons. While these forced induction motors are relativey 'weak', I'm sure they're designed for buttloads of low-end torque in mind, something the NA motors can't match.
      • 6 Years Ago
      They has an excellent line of bi-turbo engines, from V-6 to V-8. They threw those away for naturally aspirated V-8 and V-10. These were found to be inadequate so now we're on a bi-tubo V-10 and a supercharged V-6.

      They really would have just been better off improving on the original 2.7T and 4.2T.

      Some companies know when to hold on to a good thing when they have it. Others let everybody have an idea make its way to production.

      Audi seems scatterbrained on the S/RS engines. I don't think they are 'evolving' so much as having an engineer's scuffle.
      • 6 Years Ago
      Let the comparison tests begin. From the journalist comparison tests so far. The M3 bests the C-AMG and ISF.
        • 6 Years Ago
        ditto, and in keeping with the trend BMW's started with the new m3, it doesn't really advance the game any but rather provides about as much as the competition, brilliant.

        BMW "hmmm audi's using a 4.2l in the Rs4... we'll do the same with the M3... not because it needs a v8 but just to make sure ours is as big as theres"

        A few months later

        Audi "hmmm... BMW's using FI on their six in the 335i... we'll do the same with the S4..." (though this aping of BMW makes more sense then the 4.2 in the M3).
        • 6 Years Ago
        @Xcountryflyer- You have to remember that the S4 is targeted at the 335i, not M and AMG models
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