How can heavy and cumbersome muscle cars stack up to the Porsche 911? The Porsche 911 is typically known for being a lightweight, fast, nimble, and impressive sports car. The weight factor should give the Porsche 911 an advantage in the power-to-weight ratio over every muscle car that’s ever been made, or at least that’s what many would think.Surprisingly, there are many muscle cars that have enough power to offer more horsepower per pound than the Porsche 911 Carrera S. That doesn’t seem possible, but it's true. This version of the Porsche 911 has an engine that produces 450 horsepower and the car weighs 3,340 pounds, which seems pretty light. That gives it a power/weight ratio of 0.125 hp/lb, but these muscle cars have more power per pound than this Porsche 911.Note: In order to give you the most up-to-date and accurate information possible, the data used to compile this article was sourced from various manufacturers’ websites. This list is sorted by power-to-weight ratio from least to greatest. 2012 Chevrolet Camaro ZL1 Power/Weight Ratio: 0.141 Hp/Lb Chevrolet Chevrolet needed a GT500 fighter and the Camaro ZL1 was tasked with this job. The supercharged V8 engine sends 580 horsepower to the wheels through a six-speed manual transmission to give this car an incredible power-to-weight ratio and excellent speed. This Camaro has a better ratio than the 911 Carrera GTS, which is impressive when you’re comparing the two cars.The 2011 model year was the first for this generation of the Camaro ZL1. This car received tuning and improved power during its run, which lasted until 2018. In 2011, the 0-60 MPH time was 4.7 seconds, but that improved to 3.9 seconds before the generation ended. The ZL1 name set the tone for the next-generation model, which turned heads at the Nürburgring. 2024 Chevrolet Camaro ZL1 1LE Power/Weight Ratio: 0.168 Hp/Lb Hagerty This is the track monster that made European automakers swoon and wonder how an American muscle car could rip and roar around their beloved Nürburgring track at such high speeds. The 2024 Chevrolet Camaro ZL1 1LE produces 650 horsepower and 650 lb-ft of torque from the supercharged 6.2-liter V8 engine. The car is tuned for the track, and the 1LE package adds an aerodynamic body kit to the mix.The 2024 model was the final version of the Camaro, and it went out with a bang. This car can hit 60 MPH in 3.4 seconds and has a top speed of 190 MPH. Those figures blow the doors off nearly every muscle car and give the Camaro bragging rights over some high-performance sports cars. 2020 Dodge Charger SRT Hellcat Power/Weight Ratio: 0.156 Hp/Lb Dodge You might not expect to see a sedan on this list, but the 2020 Dodge Charger SRT Hellcat is no ordinary sedan. This muscle car has its roots in the 1960s-era cars and brings incredible power to the drive. You’ll find a 6.2-liter supercharged Hemi V8 engine under the hood, which has become known as the Hellcat engine. This car produces up to 717 horsepower and 650 lb-ft of torque to send this incredible car to 60 MPH in only 3.4 seconds.There are several versions of the Charger SRT Hellcat, including the Daytona 50th Anniversary model and the widebody setup. The widebody package improves the body control and cornering grip, making it much easier to handle the turns and corners of any track. This Dodge sedan is an amazing car that works as a daily driver or track monster. 2022 Dodge Challenger SRT Hellcat Redeye Power/Weight Ratio: 0.179 Hp/Lb Dodge When it comes to massive horsepower, you can’t get much better than the 2022 Dodge Challenger SRT Hellcat Redeye. This car is heavy, tipping the scales at nearly 4,600 pounds, but it generates nearly 800 horsepower, which allows it to have a better power-to-weight ratio than the Porsche 911.In addition to its amazing power, the Challenger brings throwback styling that reminds you of the fastback muscle cars of the 1960s and 1970s. The SRT Hellcat Redeye setup makes for a muscular car that seems to have a nuclear reactor under the hood. The Redeye model generates 797 horsepower, but the Super Stock model delivers 807 ponies to the wheels. This car can rip and roar on the track, hitting 60 MPH in 3.6 seconds and finishing a quarter-mile run in 11.8 seconds at 125 MPH. 2020 Ford Mustang Shelby GT500 Power/Weight Ratio: 0.181 Hp/Lb Ford If you want a Mustang that delivers the most power and speed, the 2020 Ford Mustang Shelby GT500 is the car for you. This amazing muscle car has sports-car handling characteristics, which make it fast on any track, while also delivering massive power to the wheels. At the time, this was the quickest factory-built Mustang ever produced.Under the hood of this GT500 resides a supercharged 5.2-liter V8 engine that sends 760 horsepower to the wheels. This is more than enough power to offset the 4,200 curb weight and send this car to 60 MPH in only 3.5 seconds. This Mustang’s top speed is 180 MPH, and it can finish the quarter-mile sprint in 11.0 seconds. 2007 Ford Mustang Shelby GT500 Super Snake Power/Weight Ratio: 0.185 Hp/Lb Shelby American It took a full one-mile track to show what this Mustang could do. The 2007 Ford Mustang Shelby GT500 Super Snake is more than a mouthful. It’s an awesome car that allows drivers to have a lot of fun. When taken to the Texas Mile, the drag race setup allowed this car to reach 220.8 MPH, which is simply phenomenal for a muscle car.This supercharged option of the GT500 took the relatively mild 500 horsepower and sent it to 800 ponies, giving this car the power to rocket down the track at incredible speeds. Shelby claims this car can hit 60 MPH in only 3.5 seconds, and has a listed stop speed of 200 MPH, but the speed set at the Texas Mile proves it can go faster than that. 2018 Dodge Challenger SRT Demon Power/Weight Ratio: 0.196 Hp/Lb Dodge Add more power and give it a sinister name; that seems to be the formula for Dodge muscle cars that deliver incredible power, performance, and power-to-weight ratios. The 2018 Dodge Challenger SRT Demon produces 840 horsepower, using racing gas, which allows it to hit 60 MPH in 2.3 seconds with the use of line-lock. This is the most extreme factory muscle car ever produced, at least until the Last Call versions arrived.This limited-edition car showed the drag racing crowd what a production car could do. It was one of the few cars to come out of a factory ready to finish the quarter-mile sprint in 9.65 seconds at 140 MPH, which is incredibly fast. The Demon Crate package was necessary to allow the Demon’s full potential to be unlocked before rocketing down the line. 2012 Ford Mustang Shelby 1000 Power/Weight Ratio: 0.289 Hp/Lb Mecum Despite very few being made, the 2012 Ford Mustang Shelby 1000 was aptly named and had incredible power. This car offered a tame road-going version that produced 920 horsepower from the 5.4-liter supercharged V8 engine, but the track version could produce 1,100 horsepower. This power output required stiffer chassis and upgrades to some of the moving parts, but it was well-worth the changes to see a Mustang with so much power hit the road.This incredibly powerful car could hit 60 MPH in 3.4 seconds and finish the quarter-mile sprint in only 10.7 seconds. The blistering 200-MPH top speed was the figure most drivers admired most about a car that produced 1000 horsepower. When it comes to the power-to-weight ratio, the Porsche 911 doesn’t hold a candle to the Ford Mustang Shelby 1000.