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LaFerrari XX coming early next year with F1 engine

With the embargo up on early reviews, the repetitively named Ferrari LaFerrari has become the supercar du jour. It has already been put through its paces by Top Gear and Evo. However, we know that Ferrari isn't done with development of its current halo model just yet. News continues to leak out about the even more hardcore LaFerrari XX track car.
Ferrari already confirmed directly to Autoblog that the XX is under development. There are even spy photos of it testing at the Nürburgring (pictured above). It reportedly clocked an astonishingly fast six-minute, 35-second lap at the historic track. The latest scuttlebutt about the track-focused supercar, according to Top Gear, is that it ditches standard car's hybrid 6.3-liter V12 engine with a combined output of 949 horsepower and 663 pound-feet of torque in favor of a Formula One-derived V6 turbo hybrid. That would be a huge change but would likely cut weight. The more insane LaFerrari could debut as soon as January or February of next year.
Ferrari says it's difficult to make the XX accelerate much quicker than a standard LaFerrari, but slick tires, revised suspension and aero changes should cut lap times. A version that doesn't have to worry about road car laws and just focuses on being fast could be truly mental.

Ferrari testing 458 successor in the snow?

It may not seem so long ago that Ferrari introduced the 458 Italia. But it's been on the market a solid 5 years since its launch in 2009, which makes it not only the oldest model in the company's lineup, but one of the oldest in its segment, the Lamborghini Huracan and McLaren 650S just having been launched in the past couple of months. So while a solitary Ferrari playing in the snow might otherwise seem like little more than an unlikely place for it to be, its chronology suggests the crew from Maranello could be up to something more.
The white 458 captured by our spy photographers in Northern Sweden appears to have something going on around its wheel arches. Aside from the panel gap that's taped up between the quarter panel and rear fender in front of the rear wheel arch, there appear to be some modifications around the front wheel arch. Just what they're for, we don't know, but their presence suggests something's up.
The test mule pictured here could be simply testing some new components, for whatever application, but if this is indeed a prototype for the 458's replacement, we'll probably start seeing more of these from here on in before the finished product comes around within the next couple of years - by which time the 458 will be a good seven years old, longer than the F430 or 360 Modena before it were on the market.

Top horsepower-per-dollar cars in 2017

Bang for the buck. That quasi-scientific statistic is bandied about by motor heads everywhere from classrooms to barrooms, though the truth of the matter is that it's exceedingly complex to measure. A fair performance-per-dollar index would include something like cross-referencing MSRP (Manufacturers Suggested Retail Price) with point-to-point times on a track or driving route, which is obviously hard to do comprehensively. But, for the sheer joy of talking about cars and playing with a big spreadsheet, there's always the horsepower-per-dollar index, which is more straightforward, albeit hilariously flawed. There are vagaries even with this simple formula, of course: MSRP for vehicles can change at a moment's notice, to say nothing of the bottom-line shifting that happens with local deals or showroom negotiation. For this list we're running with the straight MSRP wherever possible, and as recently reported as we can get it. All the vehicles on this list are 2017 models, and all trims are reported where the lowest price and differing power levels intersect. Some choices were made for personal preference and some for sanity, avoiding things like all 48 trim levels of the Ford Transit, all with the same horsepower). If this list were a simple top ten, or even a top fifty, you'd be bored to tears with all the red, white and blue that is represented. Following perfectly with conventional wisdom, American cars really do lead the world where hp/$ is concerned. So, for the sake of variety (and the sheer joy of seeing a minivan 'win' one round of this thing) I've sorted out some top five and bottom five lists for broad power categories. Let's dive in. Less Than 100 Horsepower Okay, okay, this is hardly a category we'll grant you. But we've often tried to click off all the sub-100-hp cars on sale in the US, and making this list gave us an excuse. It also illustrates that none of these smallish vehicles bring cheap horsepower to the table - for that you'll need a motorcycle. The segment-leading Chevy Spark (above) asks just over $139 for each hp, and that Smart Fortwo Electric Drive has hp on sale for about the same price as its very distant family cousin, the Mercedes-Benz SL65 AMG (insert your favorite Smart joke here... we know you want to).