Researching this article, we realized for a manufacturer's product to even have a shot at making this list of the 10 most powerful V8 cars, the vehicle would have to have a minimum of 557 horsepower. Absolutely insane (in a good way ...) this meant the Cadillac CTS-V was edged by one horsepower!
Another thing we noticed during the compilation of this list is most of these engines use the automotive equivalent of performance-enhancing supplements. Yep, for the most part, they're juicing y'all-big time! In this case, we're talking aspiration through either a pair of turbochargers or a supercharger. The days of playing in these ranks with a normally aspirated powerplant are almost gone.
Before we go any further, here are the qualifiers.
To make this list, a car must be a mass-production automobile from one of the major automakers doing business in the United States. Yes, we know there are all kinds of cars like the Lingenfelter Corvettes out there making 800+ horsepower, but these are tuner cars made by specialty manufacturers. What we're talking about here are production cars from mainstream manufacturers fitted with OEM parts.
Dodge Challenger SRT Hellcat - 707 Hp
The most powerful V8 engine ever offered in a production car produces 707 horsepower and 650 ft-lb of torque. An eight-speed automatic transmission routes power to the rear wheels. With this engine, the 2015 Dodge Challenger SRT Hellcat has also qualified as the fastest muscle car ever with a National Hot Rod Association-certified ¼-mile elapsed time of 11.2 seconds at 125 miles per hour wearing stock Pirelli P275 / 40ZR20 P Zero tires. When drag radials were fitted, SRT Hellcat's run dropped to just 10.8 seconds at 126 mph. It was not long ago a 10-second car was a full-on racing car. The new 2015 Dodge Challenger is perfectly street-legal and raises the bar to a level some of us never thought we'd see. As of this writing, pricing had yet to be announced.
Ford Mustang Shelby GT500 - 662 Hp
Before the Challenger Hellcat came along, the big dog in this pack was Ford's 662-horsepower Shelby GT500 Mustang. With an all-new Mustang debuting for 2015-there are rumblings the GT500 will not be offered for 2015. However, we are certain if you head to your Ford dealer before the end of the model year and announce your desire for one (with the financial resources to support your desire), they will work something out-OK? Offered in both coupe and convertible body styles, the supercharged 5.8-liter V8 fitted to the GT500 also makes 631 ft-lbs of torque. A six-speed manual transmission routes the powerplant's output to the rear wheels. Ford's SVT engineers also reworked the braking, steering and suspension systems to make every effort to contain the Herculean output of the GT500's engine. Pricing starts at $ 55,110 for the coupe and $ 60,110 for the convertible.
Mercedes SLS AMG Black Series - 622 Hp
We have come out of none of our encounters with the 583-horsepower Mercedes-Benz SLS AMG GT (which also rates a spot on this list) thinking the one thing that this car could use is more power. Which, I suppose, is why we do not work with the guys in the white coats at Mercedes AMG. For the Black Series version of the SLS, they urged another 59 horsepower from the normally aspirated handcrafted 6.3-liter V8 as used in the standard SLS model, and another 39 over what they get for the GT application of the engine to the SLS. The engine makes 468 ft-lbs of torque. And yes, we said handcrafted. A team of craftsmen-who proudly affixes their signature to the powerplant-builds these engines (one man builds one engine at a time). A seven-speed dual-clutch transmission is used to route power to the rear wheels. Of course, adding power was not enough; They also lightened the car by 95 pounds (compared to the standard SLS Coupe) and improved its aerodynamics. Pricing starts at $ 276,800.
Ferrari 458 Speciale - 597 Hp
While Ferrari's primary stock in trade is its ultra smooth and uber raucous V12s, the company does dabble in the V8s as well. To this end, the mid-engine Ferrari 458 Italia Speciale houses one of the most powerful V8 engines in the series production. Also making 398 ft-lbs of torque, the 4.5-liter V8 in the Ferrari eschews artificial aspiration. By increasing the compression ratio and reworking most of the hard parts of the engine, Ferrari's engineering team qualified the 458 Speciale for this list by coaxing additional 35 horsepower from the engine over the standard version. A seven-speed dual clutch automated manual transmission routes power to the rear wheels. Essentially a 458 Italia cranked up to 11, the 458 Speciale's pricing starts at $ 237,259.
Mercedes-Benz CLS63 S 4Matic / E63 AMG 4Matic / S63 AMG - 577 Hp
Tied for 7th place at 577 horsepower each, are the AMG 4Matic versions of the Mercedes-Benz E Class, S Class and CLS Class. While the engine boasts the same power output in all three cars, each has its own unique character. Thus, they could also have rated separate entries on this list. However, we thought it was just fair to combine them into one listing so a couple of other cars well deserving of a mention here could have their moments. In addition to 577 horsepower, the twin-turbocharged 5.5-liter V8 engine fitted to these cars makes 590 ft-lbs of torque. All three models are all-wheel drive. A seven-speed multi-clutch transmission routes power to their drive wheels. S63 AMG 4Matic pricing starts at $ 141,450; the CLS63 AMG S 4Matic starts at $ 106,500; and the E63 AMG S 4Matic starts at $ 99,770.
BMW M5 / M6 / M6 Gran Coupe - 575 Hp
Although the standard versions of these cars make "only" 560 horsepower and 500 ft-lbs of torque, for the 2014 model year, BMW introduced an optional Competition Package with a freer-flowing exhaust system, in addition to upgraded steering and suspension systems. Boasting 575 horsepower from the twin-turbocharged 4.4-liter V8, and seven-speed automated manual transmission routes power to the rear wheels. Compared to the standard versions of these cars, the Competition Package iterations ride a bit more stiffly, but they handle better too - so it's really a matter of personal preferences. Pricing for the M5 starts at $ 92,900; the M6 coupe starts at $ 111,900; M6 Gran Coupe starts at $ 115,700; and the M6 Convertible starts at $ 118,200. The Competition Package adds $ 7,300 to the price of each car.
Porsche Panamera Turbo S - 570 Horsepower
When Porsche announced that it was planning to build a four-door sedan, the naysayers had a field day. While we were desensitized to the idea of anything other than a sports car wearing the Porsche crest after the success of the Cayenne, others were still slightly less than convinced. The Panamera quickly silenced them however. A 192-mile per hour four-door sedan, the Porsche Panamera Turbo S reveles in output of 570 horsepower from its twin-turbocharged 4.8-liter V8. On overboost, the engine is capable of producing some 590 ft-lbs of torque. The four-door all-wheel drive uses seven-speed dual-clutch automated manual transmission. Its top speed ranks among the fastest sedans in the world. Panamera Turbo S price starts at $ 180,300.
Another thing we noticed during the compilation of this list is most of these engines use the automotive equivalent of performance-enhancing supplements. Yep, for the most part, they're juicing y'all-big time! In this case, we're talking aspiration through either a pair of turbochargers or a supercharger. The days of playing in these ranks with a normally aspirated powerplant are almost gone.
Before we go any further, here are the qualifiers.
To make this list, a car must be a mass-production automobile from one of the major automakers doing business in the United States. Yes, we know there are all kinds of cars like the Lingenfelter Corvettes out there making 800+ horsepower, but these are tuner cars made by specialty manufacturers. What we're talking about here are production cars from mainstream manufacturers fitted with OEM parts.
The most powerful V8 engine ever offered in a production car produces 707 horsepower and 650 ft-lb of torque. An eight-speed automatic transmission routes power to the rear wheels. With this engine, the 2015 Dodge Challenger SRT Hellcat has also qualified as the fastest muscle car ever with a National Hot Rod Association-certified ¼-mile elapsed time of 11.2 seconds at 125 miles per hour wearing stock Pirelli P275 / 40ZR20 P Zero tires. When drag radials were fitted, SRT Hellcat's run dropped to just 10.8 seconds at 126 mph. It was not long ago a 10-second car was a full-on racing car. The new 2015 Dodge Challenger is perfectly street-legal and raises the bar to a level some of us never thought we'd see. As of this writing, pricing had yet to be announced.
Before the Challenger Hellcat came along, the big dog in this pack was Ford's 662-horsepower Shelby GT500 Mustang. With an all-new Mustang debuting for 2015-there are rumblings the GT500 will not be offered for 2015. However, we are certain if you head to your Ford dealer before the end of the model year and announce your desire for one (with the financial resources to support your desire), they will work something out-OK? Offered in both coupe and convertible body styles, the supercharged 5.8-liter V8 fitted to the GT500 also makes 631 ft-lbs of torque. A six-speed manual transmission routes the powerplant's output to the rear wheels. Ford's SVT engineers also reworked the braking, steering and suspension systems to make every effort to contain the Herculean output of the GT500's engine. Pricing starts at $ 55,110 for the coupe and $ 60,110 for the convertible.
We have come out of none of our encounters with the 583-horsepower Mercedes-Benz SLS AMG GT (which also rates a spot on this list) thinking the one thing that this car could use is more power. Which, I suppose, is why we do not work with the guys in the white coats at Mercedes AMG. For the Black Series version of the SLS, they urged another 59 horsepower from the normally aspirated handcrafted 6.3-liter V8 as used in the standard SLS model, and another 39 over what they get for the GT application of the engine to the SLS. The engine makes 468 ft-lbs of torque. And yes, we said handcrafted. A team of craftsmen-who proudly affixes their signature to the powerplant-builds these engines (one man builds one engine at a time). A seven-speed dual-clutch transmission is used to route power to the rear wheels. Of course, adding power was not enough; They also lightened the car by 95 pounds (compared to the standard SLS Coupe) and improved its aerodynamics. Pricing starts at $ 276,800.
While Ferrari's primary stock in trade is its ultra smooth and uber raucous V12s, the company does dabble in the V8s as well. To this end, the mid-engine Ferrari 458 Italia Speciale houses one of the most powerful V8 engines in the series production. Also making 398 ft-lbs of torque, the 4.5-liter V8 in the Ferrari eschews artificial aspiration. By increasing the compression ratio and reworking most of the hard parts of the engine, Ferrari's engineering team qualified the 458 Speciale for this list by coaxing additional 35 horsepower from the engine over the standard version. A seven-speed dual clutch automated manual transmission routes power to the rear wheels. Essentially a 458 Italia cranked up to 11, the 458 Speciale's pricing starts at $ 237,259.
Tied for 7th place at 577 horsepower each, are the AMG 4Matic versions of the Mercedes-Benz E Class, S Class and CLS Class. While the engine boasts the same power output in all three cars, each has its own unique character. Thus, they could also have rated separate entries on this list. However, we thought it was just fair to combine them into one listing so a couple of other cars well deserving of a mention here could have their moments. In addition to 577 horsepower, the twin-turbocharged 5.5-liter V8 engine fitted to these cars makes 590 ft-lbs of torque. All three models are all-wheel drive. A seven-speed multi-clutch transmission routes power to their drive wheels. S63 AMG 4Matic pricing starts at $ 141,450; the CLS63 AMG S 4Matic starts at $ 106,500; and the E63 AMG S 4Matic starts at $ 99,770.
Although the standard versions of these cars make "only" 560 horsepower and 500 ft-lbs of torque, for the 2014 model year, BMW introduced an optional Competition Package with a freer-flowing exhaust system, in addition to upgraded steering and suspension systems. Boasting 575 horsepower from the twin-turbocharged 4.4-liter V8, and seven-speed automated manual transmission routes power to the rear wheels. Compared to the standard versions of these cars, the Competition Package iterations ride a bit more stiffly, but they handle better too - so it's really a matter of personal preferences. Pricing for the M5 starts at $ 92,900; the M6 coupe starts at $ 111,900; M6 Gran Coupe starts at $ 115,700; and the M6 Convertible starts at $ 118,200. The Competition Package adds $ 7,300 to the price of each car.
When Porsche announced that it was planning to build a four-door sedan, the naysayers had a field day. While we were desensitized to the idea of anything other than a sports car wearing the Porsche crest after the success of the Cayenne, others were still slightly less than convinced. The Panamera quickly silenced them however. A 192-mile per hour four-door sedan, the Porsche Panamera Turbo S reveles in output of 570 horsepower from its twin-turbocharged 4.8-liter V8. On overboost, the engine is capable of producing some 590 ft-lbs of torque. The four-door all-wheel drive uses seven-speed dual-clutch automated manual transmission. Its top speed ranks among the fastest sedans in the world. Panamera Turbo S price starts at $ 180,300.
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