Horsepower only shows one side of the story when it comes to a car's speed – if you really want to know how fast a car is check out the weight-to-power ratio. Just like golf, lowest number wins.
If this list is starting with a wild 740 hp Pagani you know it's going to be interesting. The Huayra is staggeringly light for a car with a V12.
The 918 barely edges out the Huayra, but only if equipped with the stripped out Weissach Package, otherwise the Pagani would just have it.
Performance like this in a car that was designed in 1957 is just bonkers. This unassuming little thing is keeping some seriously impressive company here.
Suggested By: Stig-a-saw-us-wrecks, Photo Credit: Caterham
The McLaren P1 is impressively light given its complex hybrid drivetrain – lighter than a Corvette Stingray.
Unfortunately for the McLaren, the Veryon Super Sport's raw power gives it the slightest edge in weight-to-power. Still though, this is the heaviest car on the list by far and away.
Suggested By: Chinchillacious, Photo Credit: Bugatti
Both the name and the performance of LaFerrari could be described as silly, but we're talking about two different definitions of silly.
Holy crap. Talk about a quantum leap forward: the Atom 500 has nearly a pound less per hp than LaFerrari. Think about that for a minute.
Suggested By: Steve Kuhn, Photo Credit: Ariel
God bless America. And England too I guess, since the Venom GT is based off of a Lotus. The incredible ratio explains why it can do this.
Suggested By: Prime Davis, Photo Credit: Hennessy
Koenigsegg's crazy One:1 just barely inches out the Venom GT. It's so close,"inches out" might be an overstatement. Crazy that cars like this exist – almost as crazy as the people who make them.
Suggested By: Raphael Orlove, Photo Credit: GF Williams/Jalopnik
The Caparo T1 is more like a LeMans prototype than a road car but these things are road legal in the UK. Jeremy Clarkson said it accelerated in a way he'd "never ever experienced" which makes sense, given it's absurd weight-to-power.
Suggested By: Stig-a-saw-us-wrecks, Photo Credit: Caparo
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Top Photo Credit: Ben