Rolls-Royce Wraith — 624 hp at 5,600 rpm: With a 624-hp 6.6-liter twin-turbocharged V12, the Wraith is the most powerful car ever produced by Rolls-Royce. RR claims a 0-60 time of 4.4 seconds, and with 590 lb-ft of torque available at just 1,500 rpm we think that'll come with a super-size side of wheelspin.
https://www.edmunds.com/car-reviews/features/the-100-most-powerful-cars-of-all-time.html
That V8, of course, was the classic and brilliant Chevrolet small-block. Initially displacing a mere 265 cubic inches (4.3 liters) the first small-block was only rated at 195 hp. But those horses could pull, too, with the V8's torque production suddenly making the Corvette a truly viable sports car.
https://www.edmunds.com/car-reviews/features/10-best-corvettes-of-all-time.html
For 1963 the best engine available in the Corvette was the highly developed, 360-hp, L84 327-cubic-inch small-block V8 capped by Rochester mechanical fuel injection. Despite being the most powerful engine in the range that year, it was also easygoing and flexible.
https://www.edmunds.com/car-reviews/features/10-best-corvettes-of-all-time.html
With this freshly updated list of the most powerful cars of all time, fan favorites like the 2011 Ford Mustang Shelby GT500, 2005 Ford GT, 2001 Pagani Zonda, Lexus LFA, Porsche Panamera Turbo S and the mighty Nissan GT-R fell to progress. As good as they are, they simply don't make the cut anymore.
https://www.edmunds.com/car-reviews/features/the-100-most-powerful-cars-of-all-time.html
2015 Corvette Z06 Rated at 650 Horsepower. Supercharged LT4 V-8 engine is the most powerful ever from Chevrolet. DETROIT – The all-new 2015 Corvette Z06 is the most powerful production car ever from General Motors and one of a few production cars available in the United States that delivers more than 600 horsepower.
http://www.autoblog.com/2014/06/06/2015-chevrolet-corvette-z06-650-hp-official/
It was a robust American at a time when the most popular sports cars of the day were spindly contraptions like the MG-TF. Based on crowd reaction, Chevrolet immediately ordered the Corvette into production. And 300 examples of the new 1953 Corvette were hurriedly built — all painted Polo White.
https://www.edmunds.com/car-reviews/features/10-best-corvettes-of-all-time.html
In 2009, the a new flagship model of the Corvette, the ZR1, made its debut. At more than $100,000, it became the most expensive Corvette ever and, with 638 hp, the most powerful Corvette to come off the Bowling Green, Kentucky, assembly line. With the supercharged 6.2-liter LS9 V-8, the Corvette reestablished itself as one of the world’s performance leaders.
http://www.automobilemag.com/news/10-best-chevrolet-engines/
The 1969 ZL-1 was one of the most powerful Camaros, and one of the rarest to boot. Aerovette Four-Rotor Wankel; 585 cu in (9.6-liter) four-rotor Wankel, 350 hp. Ok, so the 1970s Aerovette concept never made it to production, but it is still had one of the most impressive engines to appear in a car wearing the bow tie.
http://www.automobilemag.com/news/10-best-chevrolet-engines/
But today’s news that said “at least” meant “25bhp more” confirms the Z06 as the most powerful production Corvette to date, and in fact the most powerful production car General Motors has ever built. That 650bhp is matched by a monster 650lb ft of torque, too - 457lb ft of which is produced just off idle. Imagine the traffic-light burnouts.
https://www.topgear.com/car-news/usa/official-corvette-z06-most-powerful-gm-ever
Dubbed as the most powerful and fastest production car ever produced by General Motors, the Corvette ZR1 is powered by a new, supercharged 6.2L LS9 small-block V-8 engine that produces 620 HP and approximately 595 lb.-ft. of torque (807 Nm).
http://www.carscoops.com/2007/12/2009-corvette-zr1-with-620hp.html
most powerful corvette ever produced
The most powerful Corvette ever produced is 2015 Corvette Z06. Most powerful corvette ever produced is a 2015 Corvette Z06.