Top 3: The Biggest Weight To Power Ratio's In Road-Legal Car's

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3. 2016 Hennessey Venom GT Spyder 0.87kg/bhp

Horsepower = 1451bhp Curb Weight = 1258kg Engine = Twin-Turbocharged 7.0L V8 Max.speed = 265.57mph

Third on this list is the roofless Hennessey Venom GT. Based upon the English Lotus Elise/Exige, Hennessey Performance Engineering took the model with the goal of adapting it to become the world's fastest road-legal car. In 2013 the coupe model achieved the Guinness World Record for the fastest 0-186mph(300kph) over an average time of 13.63 seconds as well as gaining the unofficial record for the fastest 0-200mph(322kph) over an average time of 14.51 seconds, 3.17 seconds less than the previous record holder - Koeningsegg Agera R. The following year at the Venom GT went for a record top speed attempt but only maxed out at 270.49 mph. Ultimately the Venom GT would never of qualified for the Guinness World Record Fastest Ever Production car due to only 13 ever been sold (you need 30 to qualify), but the driver, Brian Smith, believed that this disappointing speed was down to short runway length which they used - 3.7km out of 5.2km - preventing the car from going 5-10mph faster. It was beginning to become apparent to Hennessey that the Venom GT potential was slowly disappearing and needed fresh life.

In 2011 Aerosmith lead singer (Steven Taylor) had enquired about the avialblity of an open-top Venom GT and in 2013 this was created with the addition of 14kg (structural weight), it wouldn't be until 2016 when the spec was upgraded. With the addition of 207bhp the car set a record for the fastest ever convertible at 265.57mph, celebrating Hennessey's 25th anniversary, even though the car was down 300bhp due to an issue with a high capacity fuel pump (one of three). Incredibly promising, yet Hennessy never tested the top speed again and it remained at 265.57mph. Only 6 of these models produced making the Hennessey Venom GT Spyder not only highly exclusive in its collectiblity be also in its unique weight to power ratio.

2016 Hennessey Venom GT

2. 2019 Hennessey Venom F5 0.84kg/bhp

Horsepower = 1600bhp Curb Weight = 1338kg Engine = Twin-Turbocharged 7.6L V8 Max.speed(claimed) = 301mph

Okay I might be cheating a little bit with this car because it doesn't get released until next year but Hennessey's number's for this beast is ludicrous. Revealed on 1 November 2017 at the SEMA show in Las Vegas as the heir to the Venom GT, the F5 is promised by Hennessey to overcome the 300mph with an estimated top speed of 301mph and become the new benchmark for extreme-performance cars. Hennessey have also released other information stipulating performance and other aspects of the F5 including: it will have a ridiculously low drag coefficient of 0.33, aim to go from 0-249mph(400khp) in under ten seconds, faster than the Venom GT to 186mph, the price will be a fairly low £1.2million ($1.6million), when considering the estimated top speed, and the planned production of only 24 units, overall adding up to a car which is just nuts on so many different levels.

However, with the unfulfilled encrypted legacy of the Venom GT in the F5 DNA, can this new-breed of drag machine finally decode the Hennessey speed glitch whilst also overcoming the haunted speed barrier of 300mph, in a road-legal car, gifting Hennessey, for the very first time, the title of the world's fastest car? If its weight to power ratio is anything valid of going by, its already halfway there.

2019 Hennessey Venom F5

1. 2014 Fahlke Larea GT1 S12 0.78kg/bhp

Horsepower = 1260bhp Curb Weight = 980kg Engine = Supercharged 7.2L V8 Max.speed(claimed) = 268.75mph

Finally, top of the charts is... the Fahlke Larea GT1 S12. Never heard of it? Well I hadn't either until I saw its insane 0.78 ratio and was immediately blown away. To give a little background information, Fahlke was orignally founded in 1997, Germany, by mechanical engineer and former aviation pilot Markus Fahlke who still owns the company today. The company's close association with Fahlke Control Systems (they're market leaders in automation systems, work with electronics and metal construction too) has enabled them to been given access to in depth knowledge of the construction processes which entire vehicles as well as carbon-fibre components are made from. This has allowed Fahlke to embed these principles of construct and design into the philosophy of their cars, the Larea GT1 family, with a heavily 'carbonised' influence.

The S12 is the pinnacle of this family valued at EUR 980,000, not cheap, fitted with racing shock-absorbers, a roll cage fitted to FIA specification and a F1 steering wheel at stock; 0-62mph(100khp) in 2 seconds flat this car is the ultimate track day car yet is somehow road-legal. Add in to the equation it's stupid weight to power ratio its hard not to be impressed at the very least by the number's work from the German outfit. Unfortunately, It's poor aesthetics and comfort, extreme impractically, and lack of publicy has prevented the car from ever truely excelling, which is a shame when considering, this is the current pound for pound fastest road car in the world.

2014 Fahlke Larea GT1 S12

Here are some honourable mentions which either lack of data regarding their curb-weight and/or their horsepower to clarify the legitimacy of the manufacturers claims of their amazing ratio's or are just short of these top three :

2017 Arash AF10 Hybrid - This £1,200,000 Hypercar by Arash claims to have a horsepower output of 2080bhp due to the combination of 4 electric motors and a 6.2L V8 petrol engine but gives no data about a curb weight, unfortunately, unable to qualify on this list.

2007 Caparo T1 - The Formula one inspired road-legal car has a 3.5L V8 topping out at 205mph with a weight to power ratio of 0.96kg/bhp. After a few incidents with Jeremy Clarkson and Jason Plato questioning the car's reliability and driveablity has indeed tarnished the great promise the model once had.

2006 AC Cobra Weineck 780 CUI limited edition - Although 12 years old with a ratio of 0.9 this Cobra replica from Weineck Engineering (German) is a masterclass, albeit using a whopping 12.9L V8 that is fitted together with a 4-speed Manual Transmission.

2019 SSC Tuatara - AT 1750hp SSC is back with an upgrade of 400hp on its 2011 predecessor and with the lowest drag coefficient of any its 300mph+ searching rivals, 0.279. However, the only weight value given has been the dry weight which excludes this car from this list.

Sources: www.topgear.com/car-news/pebble-beach-2018/ssc-tuatara-1750bhp-v8-hypercar fastestlaps.com/lists/top-highest-power-to-weight-ratio arashcars.com/af10/ www.bing.com/images/search?view=detailV2&ccid=pxuGmO%2fx&id=5B583CC2507659A145977E3441856EE91294774F&thid=OIP.pxuGmO_xhrPbyQaPsdsisAHaFj&mediaurl=http%3a%2f%2fspeednik.com%2ffiles%2f2014%2f05%2fRR1.jpg&exph=900&expw=1200&q=v12engines&simid=608045678077477402&selectedIndex=62&cbir=sbi&ajaxhist=0 www.topspeed.com/cars/weineck/2006-weineck-cobra-780-cui-limited-edition-ar4090.html en.wikipedia.org/wiki/Caparo_T1 en.wikipedia.org/wiki/Hennessey_Venom_GT en.wikipedia.org/wiki/Hennessey_Venom_F5 larea-gt1.de/en/fahlke/fahlke.php

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