Let’s check out the highest specific engine output or in other words power / unit displacement. Of course, we will take a closer look only for series production cars powered by naturally aspirated engines.
10th Place: Audi R8 GT – 5.2 liter V10 FSI – 560HP (412 kW) and 540Nm (400 lb-ft). 0-100 km/h in 3.6 seconds, 0-200 km/h in 12.3 seconds and a top speed of 320 km/h (199 mph). The specific power / unit displacement is 108HP / liter.
9th Place: Lamborghini Gallardo LP570-4 Superleggera – 5.2 liter V10 – 570HP (419 kW) and 540Nm (400 lb-ft). 0-100 km/h in 3.4 seconds, 0-200 km/h in 12.0 seconds and top speed of 324 km/h (201 mph). The specific power / unit displacement is 110HP / liter.
8th Place: Ferrari 599 GTO – 6.0 liter V12 – 670HP (493 kW) and 620Nm (459 lb-ft). 0-100 km/h in 3.4 seconds and a top speed of 335 km/h (208 mph). The specific power / unit displacement is 112HP / liter.
7th Place: Lexus LFA – 4.8 liter V10 – 560HP (412 kW) and 480Nm (356 lb-ft) of torque. 0-100 km/h in 3.7 seconds and a top speed of 325 km/h (202 mph). The specific power / unit displacement is 117HP / liter.
6th Place: Porsche 911 GT3 RS – 3.8 liter flat-six – 450HP (331 kW). 0-100 km/h in 3.6 seconds, 0-200 km/h in 13.3 seconds. Top speed 310 km/h (193 mph). The specific power / unit displacement is 118HP / liter.
5th Place: Ferrari F12 Berlinetta – a 6.3 liter V12 engine – 740HP (544 kW) and 690Nm (509 lb-ft). 0-100 km/h – 3.1 seconds and 0-200 km/h in 8.5 seconds. The top speed is over 340 km/h (211 mph). The specific power / unit displacement is 123HP / liter.
3rd Place: Pagani Zonda R – 6.0 liter V12 – 750HP (551kW) and 710Nm (526 lb-ft).0-100km/h in 2.7 seconds and the top speed is over 350km/h (218 mph). The specific power / unit displacement is 125HP / liter.
3rd Place: Honda S2000 – 2.0 liter I4 – 250HP () and 218Nm (161 lb-ft). 0-100 km/h in 6.2 seconds and a top speed of 240 km/h (149 mph). The specific power / unit displacement is 125HP / liter.
2nd Place: Ferrari 458 Italia – 4.5 liter V8 – 570HP (419 kW) and 540Nm (399 lb-ft). 0-100 km/h in 3.4 seconds a top speed of 325 km/h (202 mph). The specific power / unit displacement is 127HP / liter.
1st Place: Caparo T1 – 3.5 liter V8 – 575HP (423 kW) and 420Nm (311 lb-ft).0-100 km/h in 2.5 seconds and a top speed of 330 km/h (205 mph). The specific power / unit displacement is 164HP / liter.
Caparo T1, the fastest performance supercar from Caparo Vehicle Technologies, is now available in its new Race Extreme version. The vehicle, aimed specifically at the high end of the track day market, boasts the car’s utmost race specification and is set to deliver the ultimate driving experience. 
True to form this year’s Salon Privé, the UK’s ultimate Super Car and Lifestyle Event, will once again attract a number of high profile guests with its promise of getting up, close and personal with the most exotic modern and vintage super cars in the world. Held in the luxurious and exclusive environment of the Hurlingham Club, the show is regarded by many as London’s favourite motoring party because of its mixture of fashion, style, luxury and automotive haute couture.