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Thread: Which is faster - Stock RS6 or Stock RS4?

  1. #1
    Registered User Aronis's Avatar
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    Which is faster - Stock RS6 or Stock RS4?

    I recall the "official" 0-60 for the RS6 was 4.3 seconds, and now read the RS4 number is 4.5 sec.

    Which is faster in stock form?

    Just cureous...

    Funny to see the new year old RS4 being compared to the up coming M3 which is due in the US in the First Quarter 2009, yes, 2009....be nice to have a S4 vs M3 same model year, same "new model"...

    Mike

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    Registered User DuckWingDuck's Avatar
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    Faster around the track or faster quarter? I would say the fact that the RS4 is over 1,000lbs lighter and manual shift would make the RS4 nose ahead.

    FWIW, the RS4 "feels" faster. I love my RS6 but riding in the RS4 is a scarier ride. Not that it necessarily means the RS4 _is_ a faster car.

    Interestingly, I think I read somewhere that same model year S4 was faster around the track than the RS6 because of curb weight.

  3. #3
    Registered User PeterH's Avatar
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    may just be because the RS4 is still in the break in period, but my RS6 feels faster than the RS4. Plus, my RS4 is the cabrio version and I have not seen reliable data on performance yet for the drop-top compared to the sedan. I am guessing the cab has a weight disadvantage.
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    Registered User DuckWingDuck's Avatar
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    Numbers on the RS4 cabriolet is 4.9 for 0-100kph (factory numbers, so you know, grain of salt necessary), so @ 420bhp and roughly 4,000lbs, I would say that ya, compared to the RS6 the cabriolet is probably slower. Though probably not by much!

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    Registered User Speedou's Avatar
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    And Turbo cars feels faster than N/A.

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    Quote Originally Posted by DuckWingDuck View Post
    Faster around the track or faster quarter? I would say the fact that the RS4 is over 1,000lbs lighter and manual shift would make the RS4 nose ahead.

    FWIW, the RS4 "feels" faster. I love my RS6 but riding in the RS4 is a scarier ride. Not that it necessarily means the RS4 _is_ a faster car.

    Interestingly, I think I read somewhere that same model year S4 was faster around the track than the RS6 because of curb weight.
    You must have meant to say '100lbs lighter'! About 150lbs difference, IIRC.

  7. #7
    Registered User DuckWingDuck's Avatar
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    Quote Originally Posted by ruxprncd View Post
    You must have meant to say '100lbs lighter'! About 150lbs difference, IIRC.
    Er.. ya, got my math wrong.

    B7 RS4 (non cabriolet) - 1680kg (3704lb)
    RS6 - 1865kg (4117lb)

    ~200kilos.

  8. #8
    Registered User gjg's Avatar
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    Quote Originally Posted by Aronis View Post
    I recall the "official" 0-60 for the RS6 was 4.3 seconds, and now read the RS4 number is 4.5 sec.

    Which is faster in stock form?

    Just cureous... Mike

    Mike, I had an "extended" run with RS4 Avant on A2/A14 about 3 weeks ago in relatively light traffic and it was bit frustrating for RS4 driver - high beams flash behind me, moved to right lane WOT, back to left lane after few seconds because he could not even keep up, speed between 160-260. Above that, I'm gone. that's with about 100 kg of junk in my trunk, full tank and yours truly not being the lightest ...

    But RS4 looks and sounds really nice, we ended up with ...... Stock RS6 could be (probably) slightly better, driver, road and temp depending...
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    Registered User UrS6_Driver's Avatar
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    I would have to guess that from a roll the RS6 would have the advantage but if we are talking anything twisty the weight disadvantage for the RS6 is undeniable.

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  10. #10
    Registered User DuckWingDuck's Avatar
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    Unless you shove that RS4 off a canyon road!!!

  11. #11
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    The RS6 was a great car for its time but the RS4 is indeed faster. From 0-60 the best number i have ever seen stock is 4.3 (DaveyKid) i have had my RS4 at 4.22 with my Vag Com performance meter. I have driven an RS6 hard and its not as fast as the RS6 off the roll either. My RS4 weighs 3900lbs and the RS6 weights around 4400. There is a couple of videos of RS6 and RS4 here is one off the role. RS4 is significantly faster.

    http://www.youtube.com/watch?v=hVqCLck_YxM
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  12. #12
    Banned rs-mad's Avatar
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    AuditideA642 - What error rate are you recording in Vag-com? I have got mine down to 0.18s, I will be comparing to my new G-Tech when it arrives as they only have 0.1s error.

  13. #13
    Registered User Spidercat's Avatar
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    Quote Originally Posted by gjg View Post
    Mike, I had an "extended" run with RS4 Avant on A2/A14 about 3 weeks ago in relatively light traffic and it was bit frustrating for RS4 driver - high beams flash behind me, moved to right lane WOT, back to left lane after few seconds because he could not even keep up, speed between 160-260. Above that, I'm gone. that's with about 100 kg of junk in my trunk, full tank and yours truly not being the lightest ...

    But RS4 looks and sounds really nice, we ended up with ...... Stock RS6 could be (probably) slightly better, driver, road and temp depending...
    gjg,

    Great story! I guess every once in a while it's good to keep the pecking order straight!

  14. #14
    Registered User Leadfoot's Avatar
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    If you think about it logically then the RS4 should be a little quicker, look at the facts of why.

    1/WEIGHT - RS4 weighs roughly 200kgs less
    2/POWER - RS6 has a little more but it's only 30hp
    3/TRANSMISSION - RS4 is a manual compared to the RS6 which is an auto so it's wasteing at least an extra 5~8% of it's power.

    Based on all of the above up to 120mph the RS4 should be ahead by around 3~4 lengths, after which point I believe the RS6 will haul it in again due to it's extra torque.

    It's a shame the race in the video did go to about 160mph because I think you would have seen the RS6 catching it.
    Search and you will find the truth.

  15. #15
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    Regarding weight: Duckwingduck listed weights with a ~400lb/200kg difference, but Edmunds.com lists the RS6 as 4024lbs, and the RS4 sedan as 3903 lbs.

    I know that curb weights aren't always reported accurately...!...does anyone know definitively what the RS6 weight is?

  16. #16
    Registered User DuckWingDuck's Avatar
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    It's somewhere in there. 4k to 4.1k.

  17. #17
    Registered User bober3's Avatar
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    i think the RS4 is faster because of the manual 6 speed transmission compred to 5 speed automatic rs6

    thats majke the difference
    audi own

  18. #18
    Registered User Antagonist's Avatar
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    I won't believe the hype until I go toe to toe with one myself. You can never take youtube all that seriously either. I've seen M3's beating up on RS6's...please. I eat them up on a regular basis. I'll chime in once I've had a chance to run with one.

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