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  1. #1
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    MotorTrend compares the 2014 Audi RS5 to the 2014 W204 Mercedes-Benz C63 AMG 507 edition

    Here are two German luxury sport coupes that are very familiar to German car enthusiasts as they share the majority of components with their well known sedan siblings. The RS5 is the fresher looking of the two coupes and technically the newest although it is using the naturally aspirated 4.2 liter V8 that we are all familiar with and is desperately in need of being replaced. Yes, Audi tweaked the motor a little bit more coaxing 450 horsepower horsepower out of the V8 which is 30 more than the B7 RS4 sold in the United States.

    Click here to enlarge

    Audi also gives the RS5 their S-Tronic dual clutch gearbox which combined with the horsepower bump gives a slight performance boost over the B7 RS4. The elapsed time is a fairly impressive 12.3 seconds thanks to the grip and gearbox but the trap speed is only 112.2 miles per hour. Basically, it's not a match for the C63's brute force thanks to its 6.2 liter M156 motor with 507 horsepower routed to the rear wheels. That is a 56 horsepower bump on the standard C63 AMG and essentially the 507 edition offers the P31 Performance Package as standard. With a 12.2 @ 117.4 1/4 mile sprint it shows the raw power provided by the $9750 507 option is clearly ahead of the RS5.

    Raw power isn't everything though, right? Even though the RS5 is outmatched in grunt it manages to put up a heck of a fight around the track thanks in part to its technology. This despite being the heavier car and having a very nose heavy 58/42 front to rear weight distribution. It just handles better than the C63 and offers greater grip. The RS5 manages .99g on the skidpad to the C63's .91g. Around the roadcourse it is the RS5 that comes out on top with 1:42.97 laptime to the C63's 1:43.45. Finesse, grip, and technology beat brute force this time.

    These are two excellent cars with different approaches. The RS5 is more refined and composed. It is the better handling car of the two although heavier (~70 pounds more) and prone to understeer. The C63 is the more powerful car and able to kick its tail out thanks to the torque practically at will. The Benz is said to be more engaging of the two and ultimately likely more fun. Two excellent cars that go about their business in very different ways.

    Click here to enlarge

    Click here to enlarge

    2014 Audi RS 5 2014 Mercedes-Benz C63 AMG 507 Edition
    POWERTRAIN
    DRIVETRAIN LAYOUT Front engine, AWD Front engine, RWD
    ENGINE TYPE 90-deg V-8, aluminum block/heads 90-deg V-8, aluminum block/heads
    VALVETRAIN DOHC, 4 valves/cyl DOHC, 4 valves/cyl
    DISPLACEMENT 254.0 cu in/4163 cc 378.8 cu in/6208 cc
    COMPRESSION RATIO 12.5:1 11.3:1
    POWER (SAE NET) 450 hp @ 8250 rpm 507 hp @ 6800 rpm
    TORQUE (SAE NET) 317 lb-ft @ 4000 rpm 450 lb-ft @ 5200 rpm
    REDLINE 8250 rpm 7200 rpm
    WEIGHT TO POWER 8.9 lb/hp 7.8 lb/hp
    TRANSMISSION 7-speed twin-cl auto 7-speed automatic
    AXLE/FINAL-DRIVE RATIO 3.88:1/2.01:1 2.82:1/2.06:1
    SUSPENSION, FRONT; REAR Multilink, coil springs, anti-roll bar; multilink, coil springs, anti-roll bar Struts, coil springs, anti-roll bar; multilink, coil springs, anti-roll bar
    STEERING RATIO 15.9:1 13.6:1
    TURNS LOCK-TO-LOCK 2.8 2.6
    BRAKES, F;R 14.4-in vented, drilled disc; 12.8-in vented, drilled disc, ABS 14.2-in vented, drilled disc; 13.0-in vented, drilled disc, ABS
    WHEELS 9.0 x 20-in, cast aluminum 8.0 x 19-in; 9.0 x 19-in, forged aluminum
    TIRES 275/30T20 97Y
    Pirelli P Zero
    235/35R19 91Y; 255/30R19 91Y
    Continental ContiSportContact 5P
    DIMENSIONS
    WHEELBASE 108.3 in 108.9 in
    TRACK, F/R 62.4/62.3 in 65.3/64.3 in
    LENGTH x WIDTH x HEIGHT 183.0 x 73.2 x 53.8 in 185.3 x 70.7 x 54.8 in
    TURNING CIRCLE 37.4 ft 36.4 ft
    CURB WEIGHT 4027 lb 3952 lb
    WEIGHT DIST, F/R 58/42% 53/47%
    SEATING CAPACITY 4 4
    HEADROOM, F/R 37.5/36.0 in 37.0/35.5 in
    LEGROOM, F/R 41.3/31.7 in 42.0/33.0 in
    SHOULDER ROOM, F/R 54.3/52.8 in 54.0/50.3 in
    CARGO VOLUME 12.4 cu ft 11.7 cu ft
    TEST DATA
    ACCELERATION TO MPH
    0-30 1.3 sec 1.6 sec
    0-40 2.1 2.3
    0-50 2.9 3.0
    0-60 3.9 3.8
    0-70 5.0 5.0
    0-80 6.4 6.1
    0-90 7.9 7.4
    0-100 9.7 9.0
    PASSING, 45-65 MPH 2.0 1.8
    QUARTER MILE 12.3 sec @ 112.2 mph 12.2 sec @ 117.4 mph
    BRAKING, 60-0 MPH 104 ft 103 ft
    LATERAL ACCELERATION 0.99 g (avg) 0.91 g (avg)
    MT FIGURE EIGHT 24.6 sec @ 0.84 g (avg) 25.2 sec @ 0.78 g (avg)
    2.2-MI ROAD COURSE LAP 1:42.97 sec 1:43.45 sec
    TOP-GEAR REVS @ 60 MPH 2100 rpm 1700 rpm
    CONSUMER INFO
    BASE PRICE $70,495 $75,125
    PRICE AS TESTED $78,320 $90,810
    STABILITY/TRACTION CONTROL Yes/yes Yes/yes
    AIRBAGS Dual front, front side, f/r curtain, front knee Dual front, front side,f/r curtain, front knee
    BASIC WARRANTY 4 yrs/50,000 mi 4 yrs/50,000 mi
    POWERTRAIN WARRANTY 4 yrs/50,000 mi 4 yrs/50,000 mi
    ROADSIDE ASSISTANCE 4 yrs/unlimited Unlimited
    FUEL CAPACITY 16.1 gal 17.4 gal
    EPA CITY/HWY/COMB ECON 16/23 mpg 13/19 mpg
    ENERGY CONS, CITY/HWY 211/147 kW-hrs/100 mi 259/177 kW-hrs/100 mi
    CO2 EMISSIONS 1.05 lb/mi 1.28 lb/mi
    RECOMMENDED FUEL Unleaded premium Unleaded premium




  2. #2
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    The AMG has the engine, the RS5 has everything else.
    If the next C63 gets AWD and DCT, then I will buy one.
    If not, Audi wins again.

  3. #3
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    3 out of 3 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by TT C6 Click here to enlarge
    If the next C63 gets AWD and DCT, then I will buy one.
    How many times are you going to say this?

    To be honest with you, no one gives a flying sh*t what your next car is.

  4. #4
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    Click here to enlarge Originally Posted by BlackJetE90OC Click here to enlarge
    How many times are you going to say this?

    To honest with you, no one gives a flying sh*t what your next car is.
    I'm seriously LOL'ing in all honesty. HAhahah man.

    Sometimes I forget how awesome this place can be.

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    Click here to enlarge Originally Posted by BlackJetE90OC Click here to enlarge
    How many times are you going to say this?

    To be honest with you, no one gives a flying sh*t what your next car is.
    I'll be saying it until the official reveal in September.
    So, grab some popcorn and enjoy the next 7 months. Click here to enlarge

  6. #6
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    Sucks that benz handicapped the car so much to not step on its big brothers toes(e63, sl, etc) You can clearly see if it had more grip that the lap time would go down significantly .91 skidpad is just OK. The car needs a LSD and wider stickier tires. An open diff on a 507 hp 6.2 L car is a joke ! And the 235/255 tire setup is clearly holding it back. My car is heavily modified and to this day the LSD was my favorite mod for enjoyment of the car the way i drive it(TC OFF all day) Either way sad to know this is going to be the last comparo of the badass german N/A trio ;-/ too bad the m3 didnt show up to show what RWD, LSD, and wider tires can do to track times

  7. #7
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    Click here to enlarge Originally Posted by ezec63 Click here to enlarge
    The car needs a LSD and wider stickier tires. An open diff on a 507 hp 6.2 L car is a joke
    Yes it is but isn't an LSD an option?

    Click here to enlarge Originally Posted by ezec63 Click here to enlarge
    too bad the m3 didnt show up to show what RWD, LSD, and wider tires can do to track times
    They should have thrown an M3 in there as this is essentially a last gen battle but they already seem to be positioning the RS5 against the M4 which is a mistake IMO. The M4 is going to walk all over it.

  8. #8
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    That RS5 in black is such a gorgeous car! With BMW (M3, M4) and Merc (C63) going for forced induction engines, I can't wait to see what Audi puts in the RS5, it's got to be something special, if you look at what they've done with the RS3 and RS7...

  9. #9
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    Click here to enlarge Originally Posted by Adrenacide Click here to enlarge
    I can't wait to see what Audi puts in the RS5, it's got to be something special, if you look at what they've done with the RS3 and RS7...
    V6 twin turbo.

  10. #10
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    V6 twin turbo.
    Yeah, I read that, but I want to know performance figures! Click here to enlarge

  11. #11
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    Click here to enlarge Originally Posted by Adrenacide Click here to enlarge
    Yeah, I read that, but I want to know performance figures! Click here to enlarge
    Just look at the Macan or Panamera....

  12. #12
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    Click here to enlarge Originally Posted by BlackJetE90OC Click here to enlarge
    How many times are you going to say this?

    To be honest with you, no one gives a flying sh*t what your next car is.
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I'm seriously LOL'ing in all honesty. HAhahah man.

    Sometimes I forget how awesome this place can be.
    HEY!! You guys cut the crap...........leave 'im alone!! Dammit.

    (You shut the $&#* up, Bozo. You started this @^*%. Bootyhole.)

    He gone!
    Click here to enlarge

  13. #13
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    Click here to enlarge Originally Posted by Adrenacide Click here to enlarge
    That RS5 in black is such a gorgeous car! With BMW (M3, M4) and Merc (C63) going for forced induction engines, I can't wait to see what Audi puts in the RS5, it's got to be something special, if you look at what they've done with the RS3 and RS7...
    Looks like it is going to be a V8 twin turbo @Adrenacide

  14. #14
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Looks like it is going to be a V8 twin turbo @Adrenacide
    Ooooo, wonder if it'll be a detuned version of what's in the RS6/ RS7 then... Exciting Click here to enlarge

  15. #15
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    Click here to enlarge Originally Posted by Adrenacide Click here to enlarge
    Ooooo, wonder if it'll be a detuned version of what's in the RS6/ RS7 then... Exciting Click here to enlarge
    We will have to wait and see but that would be a dream scenario.

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