World's Top 10 fastest 4-Door sedans in 2012

10- 2012 Audi S7: $70,000 . The the second to last  fastest sedan in the world is the Audi S8. It's powered by 4.0L Biturbo V8 producing 414 HP / 406 LB-FT. it has a top speed of 155 mph does 0-6 in just 4.6 seconds.

9- 2012 Mercedes-Benz E63 AMG: $58,930. The eightht fastest sedan in the world is the Mercedes C63AMG. It powered by a 6.2L V-8 producing  550 hp @ 6,500 rpm; it has a top speed of 155 mph does 0-60 in just 4.4 seconds.

8- 2012 Audi S8: $100,000 +. The eightht fastest sedan in the world is the Audi S8. It powered by a 4.0 V-8 producing 520 HP / 479 LB-FT; it has a top speed of 155 mph does 0-60 in just 4.2 seconds.

7- 2012 Maserati Quattroporte Sport GT S: $139,100. The Maserati QuatroporteGT S is powered by 4.7 L V8 which pushes 433 @ 7,100 rpm, does 0-60 in just 4.9 seconds and has a top speed of 177 miles per hour. This makes it the seventh fastest sedan in the world.

 6- 2012 Mercedes-Benz CLS63 AMG : $191,000. The Mercedes CLS63 AMG is powered by the new AMG 5.5-liter V8 biturbo engine features a combination of high-tech components which pump 631 hp and 464 lb-ft, does 0-60 I just 4.3 secondes and reach a top speed of 186 miles a hour. This makes it the sixth fastest sedan in the world.

5- 2012 Aston Martin Rapide S: $325,000 . The Aston Martin Rapide is the ultimate combination of a luxury sedan and exotic sport car. Aston Martin is known as one of the best exotic sport car manufactures in the world; It is  powered by a 510 horsepower 6.0-liter V-12 engine and Touchtronic II six-speed automatic, it does 0-6 in 4.6 seconds and it's capable of reaching speeds up to 188 miles a hour. That makes it the fifth fastest luxury sedan on our list of the ten fastest luxury sedans.

4- 2012 Porsche Panamera Turbo S: $ 175,300.00 . Porsche first luxury sedan lives up to the Porsche name of being one of the best luxury sport sedans in the world. It has 550 hp @ 6,000 rpm, does 0-60 mph: 3.6, It can reach speeds up to 190 miles per hour and has a fuel Consumption of (Highway) 23 mpg  making it the number four fastest sedan.

3- 2012 Cadillac CTS-V: $63,215. The Cadillac CTS-V holds the fastest lap time around the Nürburgring track. That is faster than the BMW M5 and the Bentley Continental Flying Spur Speed. Cadillac advertises 0 to 60 mph time of 3.9 seconds. Top Speed is in the 191 mph arena. EPA fuel economy ratings are 12 city and 18 highway for the automatic and 14 city and 19 highway for the manual. Premium fuel is required. Despite these achievements it has the third fastest luxury sedan.

2- 2012 Bentley Continental Flying Spur Speed: $209,600. The Bentley Continental Flying Spur Speed has a 6.0-liter W12 engine cranks out 600 hp and 553 lb-ft of torque, enough to rocket the 5,456 lb Speed from 0 – 60 in 4.5 seconds, from 0 – 100 in 10.5 seconds, leaping from 50 – 70 in 2.4 seconds. Top speed is — wait for it — 200 miles per hour making it the number two fastest luxury sedan. However unlike the BMW M5 this car only seats four people.

1- 2012 BMW M5: $92,000. The new generation BMW brings a high-revving 4.4-liter V8 engine with an M TwinPower Turbo package that delivers an impressive 560 hp at 6,000 – 7,000 rpm and a peak torque of 502 lb-ft from 1,500 rpm. The model will sprint from 0 to 60 mph in 4.4 seconds and, when the speed limiter is removed, is capable of hitting an impressive top speed of 205 mph. Despite these impressive performance numbers, the car will deliver an estimated fuel economy of 28.5 mpg. That reason alone makes it number one on the list of the fastest luxury sedans in the world. After all, shouldn’t the fastest one be number one?