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Magnus Walker drives 911 Turbos old and new

It's been forty years now since Porsche released the original 911 Turbo. And as many things that have remained a constant, a lot has changed, too: the engine has gone from air-cooled to liquid, moved up to nearly a midships layout, and drives almost exactly double the original's output to all four wheels instead of just the back set through a seven-speed dual-clutch transmission instead of a five-speed manual. It'll also reach highway speeds about twice as fast as the original. That's progress for you, and who better to compare Porsche Turbos old and new than Magnus Walker. The outlaw of the 911 scene may not look the part, but to those in the know, he's got the last word when it comes to Porsches. After searching for some time, Walker recently got his hands on a cherry of an original 930 Turbo from 1975 – the first year it was made – and had it shipped from Australia to California to add to his collection. eGarage caught up with Walker and brought along a new 991 Turbo for juxtaposition. Fortunately it also brought along a video camera or two to document the experience, so check it out in the latest video above.

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).

2017 Porsche Panamera revealed: It's finally pretty

Things are looking up for the Porsche Panamera. Dynamically, it's always been good – fast, comfortable, and much more spacious than something like a 911 – but the general consensus is that the first-gen Panamera's styling was, shall we say, less successful. All that changes for the second-generation car. Despite being longer, wider, and taller than before, it's much more attractive, with a lower roofline that sweeps back toward the rear haunches with a pleasing arc. There's a clear styling link to Porsche's mainstay, the 911. The new Panamera's body is made mostly from aluminum, minus some high-strength steel and the optional large, panoramic roof overhead. LED lighting elements front and rear look suitably up-to-date, especially the interconnected design of the taillights. Wheels range from 19 inches to 21, with 20s standard on the Turbo. Porsche isn't just recalling its current sports car with the new Panamera. The central tachometer is designed to evoke the one in the 1955 356 A, more colloquially known as the Speedster. Beside that one analog throwback, however, the latest Panamera is fully modern and technologically advanced. Two seven-inch screens flank the tach, and the Porsche Advanced Cockpit includes a 12.3-inch tablet-like touchscreen in front of the driver. Apple CarPlay is available, but there's no mention of Android Auto. A new thermal imaging camera makes it easier to see in the dark. A completely new range of engines powers the second-gen Panamera, starting with a twin-turbo 2.9-liter V6 that puts out 440 horsepower and 405 pound-feet of torque. In the Panamera 4S, that's enough to launch the saloon to 60 in 4.4 seconds (4.2 with the optional Sport Chrono Package) and to hit a top speed of 180 miles per hour. The Panamera Turbo boasts a 4.0-liter, twin-turbo V8 with 550 hp and 567 lb-ft. The 0–60 run takes just 3.6 seconds (3.4 with Sport Chrono) and the top speed is 190 mph. Both the 4S and the Turbo come with standard all-wheel drive and an eight-speed PDK dual-clutch automatic transmission. Much of the chassis tech from the last Panamera is carried over, including Porsche Active Suspension Management, Porsche Torque Vectoring Plus, and active roll stabilization. The available active air suspension has been updated with a three-chamber design. The 2017 model adds rear-wheel steering as an option, borrowed from the 911 line.