2004 Ferrari 360 Spider Convertible 2-door 3.6l on 2040-cars

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2014 Ferrari F12 Berlinetta

Most cardiologists and physiologists maintain that a human's maximum heart rate is calculated with a mathematical formula: subtract a person's age from 220. But some leading doctors are now questioning the established academics, which trace their origins back to 1970, claiming that a simple formula isn't accurate for people of all ages, in particular those who are older. Rather than endorse the time accepted calculation, this progressive group argues that maximum heart rate equals 208 minus 0.7 times age.
While medical science continues its debate, I recently discovered a more elementary approach that disregards age and physical condition, and it requires no math.
To reveal a human's true maximum heart rate, I propose strapping test subjects into the driver's seat of a Ferrari F12 Berlinetta and then firing up its ferocious V12.

If you need a carbon-fiber-bodied Ferrari F12, meet the Caballeria

Customizing a Ferrari, or any exotic for that matter, is a tricky process. Extreme looks and performance mean tuners and designers can't push the envelope much further without getting into tacky territory. But Spanish designers Bengala have toed the line with the new F12 Caballeria. Based on the F12berlinetta, obviously, Bengala claims the Caballeria draws inspiration from Ferrari's GT3 racers. We don't see it, but sure. The all-carbon-fiber body includes numerous smaller tweaks – check out the vents behind the doors and the new hood, for example – on top of much more drastic changes. The restyled fascia, larger intake, carbon-fiber splitter, and massive rear diffuser are the most obvious callbacks to Ferrari's road-going racers, while it looks like Bengala plucked certain new elements, like the three louver-style vents on top of the front fenders, from other Ferrari production cars. Those are the rear fender vents of the F12 TdF, for example. Bengala also swapped out the wheels for an Alpina-like fan-blade design. If you have money burning a hole in your pocket and dig the Caballeria's style, it might not look like a bad purchase. But be warned, unlike some other noted Ferrari modifiers, it doesn't sound like Bengala made any changes to the F12's 6.3-liter V12 engine. The company's press release didn't call out any mechanical changes, although that means there's still 730 ponies on tap – it's probably not a deal breaker. Like most of its projects, Bengala will only build 10 F12 Caballerias. It expects to wrap up production by the end of summer 2017. Related Video:

Buy a McLaren P1 GTR, Porsche 918 Spyder, and a Ferrari LaFerrari all in one place

The McLaren P1, Porsche 918 Spyder, and Ferrari LaFerrari, are arguably the three greatest hypercars yet. Of course, their extremely limited production meant that some ultra-wealthy individuals may have missed out on picking one up. In fact, to get a LaFerrari, you needed to have owned a certain number of Ferraris, and be in good graces with the company. However, if there are any super-rich car enthusiasts reading this right now, your chance to buy one or all of these three supercars is coming up next month at the RM Sotheby's Villa Erba auction in Italy. It will occur on May 27, and feature a McLaren P1 GTR, Porsche 918 Spyder Weissach, and Ferrari LaFerrari. 2016 McLaren P1 GTR McLaren fans, will RM Sotheby's won't offering just any McLaren P1, but rather the hardcore, track-prepped GTR variant. In fact, the GTR is so hardcore that it isn't legal for the street. This particular version went to specialist Lanzante to be converted for road use. Take note that it's only road legal in the UK, and it may not meet laws for other countries. However, that's still more than most GTRs can boast, and if you have the money for this, you shouldn't have any issue taking it to the UK to unleash the P1 GTR's 986 horsepower on public roads. This car could use some driving, too, as it only has about 223 miles on it, some of which included just one track event. RM Sotheby's expects this McLaren to go for between $3.4 million and $3.85 million. 2015 Porsche 918 Spyder Weissach View 31 Photos The Porsche 918 Spyder going up for auction is a special one as well. The first difference you'll notice is that it has been painted a custom color called "Arrow Blue," a hue specially mixed up as part of Porsche's custom paint service. It also features the lightweight Weissach package, which loses a few extra pounds by replacing an assortment of parts for lighter components. Among them are magnesium wheels and wheel bearings, carbon fiber roof, windshield frame, rear fenders, and rear view mirrors, and even titanium-backed brake pads. According to RM Sotheby's those pads have been replaced with fresh 918-spec pieces. The previous owner clearly enjoyed his or her 918, as it has just over 6,800 miles. In case you're interested in a well-loved 918, the auction house expects it to sell for just under $1.3 million to about $1.5 million.