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2014 4-door Super Coupes Comparison Test

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Khatir Soltani
Go big or go home
Size matters
In this case, it does. The beauty of a grand coupe is the fact that you really can have your driveability cake and eat it too, with two adult-sized friends in the back who'll continue to be your friends after the drive because their limbs will be intact.

Were we right in throwing the Panamera into the mix here? Some would disagree, but we think the Porker fits right in, and is the perfect addition to our grand coupe quartet. Did we miss out on a British player (read: Jaguar XJL)? Perhaps, since the XJL Supersport is perfectly priced and offers up the right amount of grunt beneath its feline bonnet. We'll have to make sure we include in next year's grand coupe gathering.

Truthfully, we know the consumer demand for high-performance grand coupes is small thanks to their rather large price tags. But can you really blame us for wanting to get these four together for a match-up well worth the hefty gas receipts in the end?

While we asked for the heavy-hitters of the grand coupe models, the truth is these particular models can be had with less power and for less dollars, but with the same driving dynamics and interior space: the best of both worlds, still.
 
 2014 PORSCHE PANAMERA2014 MERCEDES-BENZ CLS-CLASS2014 BMW M6 GRAN COUPE2014 AUDI RS 7
TRIMTurbo Executive CLS 63 AMG 4MATIC  
COLORRhodium Silver MetallicObsidian Black Metallic Frozen Brilliant WhiteMisano Red Pearl Effect
ENGINE4.8L Turbo V8 5.5L Twin Turbo V8 4.4L Twin Turbo V84.0L Turbo V8
HP @ RPM 520 @ 6,000 550 @ 5,250 560 @ 6,000 560 @ 5,700
TORQUE @ RPM 516 @ 2,250 531 @ 1,750 500 @ 1,500 516 @ 1,750
TRANSMISSION7-speed PDK7-speed AMG SPEEDSHIFT MCT 7-speed M double-clutch 8-speed Tiptronic
DRIVETRAIN AWD AWD RWD AWD
TORQUE SPLIT (F/R) 40/60 33/67 0/100 40/60
0-100 KM/H (in seconds) 4.0 3.8 4.2 3.9
TOP SPEED (km/h) 305300 250280
FUEL TANK (L) 100808075
FUEL ECONOMY 8.3 / 13.8 9.1 / 13.5 9.2 / 14.4 7.8 / 13.7
OBSERVED FUEL ECONOMY 12.4 13.1 12.9 12.8
GVWR (kg / lb) 2,560 / 5,644 2,415 / 5,324 2,411 / 5,315 2,505 / 5,523
CURB WEIGHT (kg / lb) 2,070 / 4,564 1,975 / 4,355 2,009 / 4,429 1,995 / 4,398
WHEELBASE (mm / in) 3,070 / 120.9 2 875 / 113.2 2,964 / 116.7 2,916 / 114.8
LENGTH (mm / in) 5,165 / 203.3 4,996 / 196.7 5,011 / 197.3 5,012 / 197.3
HEIGHT (mm / in) 1,425 / 56.1 1,407 / 55.4 1 393 / 54.8 1,419 / 55.9
WIDTH (mm / in) 2,114 / 83.2 2,075 / 81.7 2,106 / 82.9 1,911 / 75.2
TRUNK CAPACITY (L) 432 433420535
BASE PRICE $1841,00 $113,500 $127,900$115,000
OPTIONS ($) $26,200 $7,400 $33,050$25,100
PRICE AS TESTED    $210,300$120,900$160,950$140,100

 
2014 Mercedes CLS-Class CLS 63 AMG 4MATIC
mercedes cls-class 2014
2014 Mercedes CLS-Class CLS 63 AMG 4MATIC
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2014 BMW M6 Gran Coupé
bmw m6 2014
2014 BMW M6 Gran Coupé
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2014 Audi RS 7 4.0 quattro
audi rs-7 2014
2014 Audi RS 7 4.0 quattro
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2014 Porsche Panamera Turbo Executive
porsche panamera 2014
2014 Porsche Panamera Turbo Executive
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Khatir Soltani
Khatir Soltani
Automotive expert
  • Over 6 years experience as a car reviewer
  • Over 50 test drives in the last year
  • Involved in discussions with virtually every auto manufacturer in Canada