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Watch the incredibly complicated operation of Porsche's new targa roof

Despite Porsche having claimed the name, targa tops are nothing new. In addition to the semi-roofless version of the 911, plenty of cars in the past have used removable roof panels - the new Corvette Stingray has one (as have prior generations), and this type of open-air experience has been available on past vehicles like the Pontiac Solstice Coupe and Honda Civic del Sol.
But when Porsche took the top off its brand new 911 Targa here at the Detroit Auto Show, it was indeed cause for pause. Simply put, this is one of the most complicated and intricate electronic roof panel removal techniques we've ever seen, save perhaps, for the setup found on the Japanese-market Civic del Sol from the 1990s.
We won't spoil the video for you, but basically, rather than just the roof panel coming off, the entire rear glass area lifts away the body in order for the small section over the passenger compartment to slide back. This has to be incredibly expensive to repair once it inevitably breaks. And we highly doubt you'll be able to operate this mechanism at any speed.

Editors' Choice: Top Five 2015 Frankfurt Motor Show Debuts

Consider the 2015-16 auto show season officially kicked off. The Frankfurt Motor Show offered a great look at the newest crop of production cars and conceptual machines, and brought some old favorites back into the spotlight for a closer look. (The Alfa Romeo Giulia, for example, debuted in June, but this was the first time most of us saw it.) Now that the dust has settled and we're all on flights back to the US, our editors cast their votes for their personal favorites from the Frankfurt show. These are the cars we truly loved seeing the most. But unlike other shows, there was no one runaway winner – all of the Top Five received positive praise from our team. We won't spoil the results, though. Scroll down to see what we liked most from this year's Frankfurt expo. 5th Place – MERCEDES-BENZ IAA CONCEPT View 12 Photos MIKE AUSTIN: The clean lines on this concept have me excited for a more elegant beauty to future Mercedes-Benz vehicles. Next to the Concept IAA, the lovely S-Class Coupe looks like an overstyled barge. DAVID GLUCKMAN: Yeah, the extendable rear is neat and all, but I'm more interested in the front-end styling of this one. It looks like the Tron version of a 300SL, in a good way. I'm hopeful it portends the future of Mercedes design. STEVEN EWING: I was super impressed when Mercedes said that, with the rear end extended, this concept has a drag coefficient of just 0.19. That's crazy aerodynamic. I'm not head-over-heels about the styling, but I think the lessons learned from this concept are really important, and will play a huge role in the future of Mercedes' products. 4th Place – ALFA ROMEO GIULIA View 15 Photos SEYTH MIERSMA: I can hardly express how in love with this car I am. The styling feels creative, modern, and evocative, without going over the top. The proposed performance is spectacular. And the Alfa badge speaks to a legacy of romantic motoring. DAVID GLUCKMAN: Pretty Italian car makes big promises and will probably deliver on about three quarters of them. I think that will still be enough for me. JEREMY KORZENIEWSKI: I'm really intrigued by the Giulia. It looks great, sounds awesome, and I'm expecting it to have a load more character than its German rivals. I hope I'm not disappointed. 3rd Place – JAGUAR F-PACE View 15 Photos GREG MIGLIORE: It's the first SUV for Jaguar, and I think they nailed the design, capability, and electronics. It's the right car at the right time.

Ford Mustang outsold Audi TT and Porsche 911 in Germany

Despite being the antithesis of the cars Germany is known for, the new Ford Mustang was the best selling sports car in the land of schnitzel and beer last month by a whisker. The Mustang beat out the Audi TT by 780 units to 708, and it beat Germany's best known performance car, the Porsche 911, 780 to 752. That makes some sense, right? The Mustang has to be cheaper than those competitors, right? Not really. Both the EcoBoost and V8-powered Mustang have higher starting prices than the equivalent TT. The 2.3-liter, EcoBoost-powered Mustang starts at 38,000 euros (around $43,300 at today's rates), while the front-drive Audi TT starts at 35,950 euros (about $41,000). The V8-powered Mustang GT, meanwhile, starts at 43,000 euros (about $49,000), which is just 2,550 euros more than the Quattro-equipped TT. When 310 horsepower or 435 hp can be had for just a couple thousand more than 220 hp, it's easy to understand the Mustang's success. The 911, of course, is a lot more expensive than the Mustang. You can buy two Mustang GTs for the price of a single Carrera. But Ford also managed to beat out the Porsche's smaller siblings, the Boxster and Cayman twins, which sold a combined 642 vehicles. Again, the pony car is significantly cheaper, but that doesn't do much to lessen the impact of the Mustang's victory. If you're in Germany and are concerned about this American invasion, you shouldn't be (yet). The TT is Germany's best-selling sports car from January through March, with 2,299 to the Ford's 1,823. Porsche is breathing down the pony car's neck, too, with 1,811 units in 2016. It'll be interesting to see if Ford's successful March carries on into the rest of 2016. Related Video: