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  1. #1
    Veteran Member Three Rings fstr n u's Avatar
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    Question about Audi S4 6MT vs Merc C63 AMG 507 Edition

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    Question for the calk folk here. An opportunity has presented itself to purchase a low mileage '15 Mercedes C63 AMG 507 Edition. I currently own a '15 6MT S4 with low miles. My only mod is the CAI and it sounds great. I am a die hard MT guy and it's hard finding a better or more enjoyable alternative. If I keep my S4 i'll do the Stage 2+ tune and single pulley to bump up power and fun level.

    Asking for your thoughts on this. Would you keep your MT S4 or sell it and take the C63 AMG 507 Edition? What do you see as pros/cons?

    - - - Updated - - -

    https://www.autotrader.ca/a/mercedes...%200A5&sprx=-2
    2019 Audi SQ5 Navarro Blue Technik w Black Optics Pkg - stock for now
    2015 Audi S4 6MT Glacier White w Black Int (IE Stg 2, Merc Hx, CTS Turbo CAI & CTS S/C Pulley) - my DD
    2006 Subaru STI Hawkeye Murdered Out - larger turbo 400hp - son's car
    1998 Chev Camaro 6MT, LS2 Rear mount Turbo (710+rwhp/710+rwtq @ 14# boost wheels) - summer hooligan

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  2. #2
    Veteran Member Four Rings
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    The S4 and the Merc are fairly different cars in terms of presence. One's presence is understated (S4). The other's presence is showy (AMG 507 Edition).

    When you pull up to the curve, are you an "all eyes on me" kind of guy (AMG)? Or do you prefer arrive in a cooler, more anonymous fashion (S4)?

    I think that's the only thing between the two. The S4 can be modified to make power like the AMG, and has the traction advantage over the AMG. But you can't change the sheet metal. What is your preference?

  3. #3
    Veteran Member Four Rings TexasDfwS4's Avatar
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    Living up north I would keep the S4, but if you can keep both well then.
    2018 S6 Glaser white Black/Optics, Sport, ACC, HUD, CF, etc. NO bang/O
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  4. #4
    Veteran Member Four Rings 01northernS4's Avatar
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    Quote Originally Posted by TexasDfwS4 View Post
    Living up north I would keep the S4, but if you can keep both well then.
    +1
    2015 Audi S5 Technik
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  5. #5
    Veteran Member Three Rings ElectroMike's Avatar
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    See if you can find someone in your area with a Stage 2 S4 and take a test drive, it will make your decision to switch harder!

    Also, look into the long term service pricing on both vehicles, see which makes better sense to you.
    2014 S4 - Glacier White Metallic | 6MT | Rear Sports Diff
    Unitronic Stage 3 | KMD Tuning S/C Pulley | Unitronic Crank Pulley | 3.2 Pulley ratio | Charge cooler system - Revo HX & AWE ColdFront Stand alone Reservoir | ECS - Kohlefaser Luft-Technik Intake System | AWE Touring Exhaust | AWE Resonated DownPipes | CR-15

  6. #6
    Veteran Member Four Rings raudiace4's Avatar
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  7. #7
    Active Member Two Rings
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    Having owned a modded 507 edition along with many AMG models personally it would be my choice between the two. It’s a beast, big displacement power delivery like you will never get in an S4 but of course at the cost of traction issues. IMO the Benz wins on interior, power, presence, resell. I would say maintenance wise you are about the same. If you have never owned an AMG it’s a very good well rounded package not just a motor. At the end of the day cars like these are a very personal decision and only you can make that call.

  8. #8
    Veteran Member Three Rings fstr n u's Avatar
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    Thx all. I've never been much of a Merc fan outside of the AMG products...but never owned one. What i would like is a boosted V8 with manual transmission in my S4 which is not doable easily. i find my self split in the difference between wanting the soundtrack of a V8 with enjoying a manual transmission and awd (Audi). Ive only seen 1 modified S4/S5 in my neck of the woods and it was in passing...not sure who the bloke is.

    I'm leaning towards keeping my car (given the winter season) and ability to modify down the road. I love the sound of the supercharger whine and i'm sure it'll be different with a faster spinning pulley once modified. I'll see what cost difference there may be and decide from there.

    Appreciate the feedback all....

    Ryan
    2019 Audi SQ5 Navarro Blue Technik w Black Optics Pkg - stock for now
    2015 Audi S4 6MT Glacier White w Black Int (IE Stg 2, Merc Hx, CTS Turbo CAI & CTS S/C Pulley) - my DD
    2006 Subaru STI Hawkeye Murdered Out - larger turbo 400hp - son's car
    1998 Chev Camaro 6MT, LS2 Rear mount Turbo (710+rwhp/710+rwtq @ 14# boost wheels) - summer hooligan

    http://www.youtube.com/@musclecarfan1
    https://www.instagram.com/ryan_baliski/
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  9. #9
    Veteran Member Four Rings UkuRiSh's Avatar
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    I would buy 17+ Year C63 S torque monster new 4.0TT

    2013 AUDI S5 4.0T SWAP 9.7@145mph < Press @svarog_performance < last test updates

  10. #10
    Veteran Member Four Rings bhvrdr's Avatar
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    If youre shopping a last gen c63 you might as well get a new gen ss 1le. Its a better car technologically and performancewise. The c63 is long in the tooth. If you thought youd have trouble finding a car with a smaller screen and more outdated mmi than the s4....enter the c63. The car is very traction limited as well. That said ive never been one to not buy a car just because its a bit different so do what your gut tells you. You can always get something else.

    Mike

    2018 Audi S5
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  11. #11
    Veteran Member Four Rings jygesq's Avatar
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    The AMG is a real performer car, but is it practical for you, unless you keep the AUDI.for winter, The price seems very fair, but unless you have garage space for both cars & you have lots of money,it is a major out lay of cash.
    2015 S4, P+, Florett Silver,black /silver nappa leather, S-tronic ,sport diff,B&O ,tech package ,supercharged badges. All season tires ,cargo net, factory dip stick

  12. #12
    Veteran Member Four Rings Morritse's Avatar
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    Quote Originally Posted by Promod905 View Post
    Having owned a modded 507 edition along with many AMG models personally it would be my choice between the two. It’s a beast, big displacement power delivery like you will never get in an S4 but of course at the cost of traction issues. IMO the Benz wins on interior, power, presence, resell. I would say maintenance wise you are about the same. If you have never owned an AMG it’s a very good well rounded package not just a motor. At the end of the day cars like these are a very personal decision and only you can make that call.
    Shouldn't our power delivery be pretty similar to a big v8? If not a little more torquey down low?

    I'd walk that AMG, and my car cost $19k :)
    FBO B8. ~ 10.95@126 ~ 2.96s 0-60 ~ full weight street tires.

  13. #13
    Veteran Member Three Rings
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    The benz if you live in warmer climates. Or if you have a second car for winter months (if up north).
    '16 Audi S6 4.0TT Eurocharged ECU - Current
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  14. #14
    Established Member Two Rings
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    Ive had an S4 since 2012. Id be all over that AMG.

    But Im keeping my S4 cause I’ll never get back what I’ve put into it.


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    IE 80mm Throttle Body kit, IE TB and Crackle Tune, Jokerz Perfromance full S/C Port, APR 57mm SC Pulley, JHM 187mm OD Pulley, APR CPSv1 and Pierburg CWA 100-3, AWE Touring, GESi downstream cats, JHM Short Shifter, Southbound Stage 3 Clutch (600 tq), ECS Stage II Big Brake Kit, USP Metal Slave and SS Clutch Lines, Vorsteiner VFF-103 w/ H&R 5mm spacers.

  15. #15
    Active Member Two Rings
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    Quote Originally Posted by Morritse View Post
    Shouldn't our power delivery be pretty similar to a big v8? If not a little more torquey down low?

    I'd walk that AMG, and my car cost $19k :)
    It’s a much more liner power delivery and Tq at any RPM instantly completely different feel. Also comparing your fully built maxed out car to a stock car? My 507 put down 448whp and ran 12.3 stock at 118. Start modding that, there is an 890hp package for that gen C63. Mine was mid 11s with just a few simple though costly mods. Now I agree I would go to the turbo motors too, that’s why I did. That said if I only had one car I would pick the C63 personally but to each his or her own that’s why they make different models.

  16. #16
    Veteran Member Four Rings Morritse's Avatar
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    Quote Originally Posted by Promod905 View Post
    It’s a much more liner power delivery and Tq at any RPM instantly completely different feel. Also comparing your fully built maxed out car to a stock car? My 507 put down 448whp and ran 12.3 stock at 118. Start modding that, there is an 890hp package for that gen C63. Mine was mid 11s with just a few simple though costly mods. Now I agree I would go to the turbo motors too, that’s why I did. That said if I only had one car I would pick the C63 personally but to each his or her own that’s why they make different models.
    I have 420 WTQ from 2300 onwards, and my throttle response is pretty damn good, that being said, I've never ridden in one of these so I can't make a comparison but looking at numbers, it's hard to imagine the feel is insanely different. I know it isn't fair to compare a modded car to a stock one. But it's pretty damn hard/expensive to get THAT much more power from the 6.2. And you gotta compare the price too!
    FBO B8. ~ 10.95@126 ~ 2.96s 0-60 ~ full weight street tires.

  17. #17
    Active Member Two Rings
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    Quote Originally Posted by Morritse View Post
    I have 420 WTQ from 2300 onwards, and my throttle response is pretty damn good, that being said, I've never ridden in one of these so I can't make a comparison but looking at numbers, it's hard to imagine the feel is insanely different. I know it isn't fair to compare a modded car to a stock one. But it's pretty damn hard/expensive to get THAT much more power from the 6.2. And you gotta compare the price too!
    Not very hard Weistech (sp?) stage three SC kit is 750hp 630fptq and a bolt on at 13k for the kit. Of course the car ain’t cheap but he didn’t ask about the financial aspect. That’s why the turbo cars are so desired, my turbo coup is making 640hp 860tq with the Renntech R1 package for 3500 bucks. But of course the car cost more then my first house LOL it’s all relative.

  18. #18
    Veteran Member Four Rings Morritse's Avatar
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    Quote Originally Posted by Promod905 View Post
    Not very hard Weistech (sp?) stage three SC kit is 750hp 630fptq and a bolt on at 13k for the kit. Of course the car ain’t cheap but he didn’t ask about the financial aspect. That’s why the turbo cars are so desired, my turbo coup is making 640hp 860tq with the Renntech R1 package for 3500 bucks. But of course the car cost more then my first house LOL it’s all relative.
    $13k is almost how much car is worth. You can't ignore price. It's a $70k car at that point. At that price point you could get something significantly faster.
    FBO B8. ~ 10.95@126 ~ 2.96s 0-60 ~ full weight street tires.

  19. #19
    Active Member Two Rings
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    Quote Originally Posted by Morritse View Post
    $13k is almost how much car is worth. You can't ignore price. It's a $70k car at that point. At that price point you could get something significantly faster.
    Never said it wasn’t pricy? We were having a discussion on stock vs modded. I agree you can get something faster hence why I never SC mine just went to cheaper to tune turbo option although it cost even more.

  20. #20
    Veteran Member Four Rings Morritse's Avatar
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    Quote Originally Posted by Promod905 View Post
    Never said it wasn’t pricy? We were having a discussion on stock vs modded. I agree you can get something faster hence why I never SC mine just went to cheaper to tune turbo option although it cost even more.
    I'm not sure stock vs modded is a relevant discussion unless reliability and warranty are concerns.

    Being stock for the sake of being stock has no value, in my opinion. Being stock is often associated with higher reliability, no warranty concerns, and less effort to take care of, and if those are absent, why does it matter?
    FBO B8. ~ 10.95@126 ~ 2.96s 0-60 ~ full weight street tires.

  21. #21
    Active Member Two Rings
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    Quote Originally Posted by Morritse View Post
    I'm not sure stock vs modded is a relevant discussion unless reliability and warranty are concerns.

    Being stock for the sake of being stock has no value, in my opinion. Being stock is often associated with higher reliability, no warranty concerns, and less effort to take care of, and if those are absent, why does it matter?
    You compared the performance of a stock car to modded one. I was simply stating the potential of modding a platform I am familiar with that might not be as well known here. I put no value in stock as I purchase a car to mod it, I have never driven a stock car warranty or not.

  22. #22
    Veteran Member Four Rings Morritse's Avatar
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    Quote Originally Posted by Promod905 View Post
    You compared the performance of a stock car to modded one. I was simply stating the potential of modding a platform I am familiar with that might not be as well known here. I put no value in stock as I purchase a car to mod it, I have never driven a stock car warranty or not.

    I don't think it's worth making that discussion without the consideration of price. I could put a twin turbo huracan motor in my b8 and it would still cost less than the AMG
    FBO B8. ~ 10.95@126 ~ 2.96s 0-60 ~ full weight street tires.

  23. #23
    Veteran Member Four Rings JD S4's Avatar
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    Quote Originally Posted by Morritse View Post
    I don't think it's worth making that discussion without the consideration of price. I could put a twin turbo huracan motor in my b8 and it would still cost less than the AMG
    Dude. Just Stfu And be done here.


    Sent from my
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  24. #24
    Veteran Member Four Rings raudiace4's Avatar
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    Quote Originally Posted by JD S4 View Post
    Dude. Just Stfu And be done here.


    Sent from my
    +1
    Lol dumbasses
    2019 E63S PTG1000 | Blackboost | RWCarbon | Signature Forged | RedStar
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  25. #25
    Veteran Member Four Rings Morritse's Avatar
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    Bringing the thread back to a relevant topic, I feel like OP is going to weigh out the pros and cons of each route. On one hand, he could mod the S4 to be as quick as the c63. It would void warranty, and potentially cause some reliability issues.

    On the other hand, he could buy the AMG, it would cost a ton of money. But if he likes the car a lot, and doesn't want to deal with any of those Gremlins, it could very well be worth it to him!

    It's gonna be a good 20-25k for the upgrade. Maybe $5k in mods to your S4 to make it a beast. Gotta decide if that money is worth it!

    You should definitely spend some time in a c63, maybe turo one for a few days.
    FBO B8. ~ 10.95@126 ~ 2.96s 0-60 ~ full weight street tires.

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