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The 2014 Rolex 24 at Daytona: What we learned, what we saw

Two days after the flag dropped on the 2014 Rolex 24 at Daytona, people are still trying to figure out what it might portend for the rest of the season. In 24 hours, two minutes and 24 seconds, 695 laps were completed by the car that crossed the line first. During that time, 67 cars began the race, 18 of them retired. There was that accident, and a red flag. There were supposedly slower classes beating supposedly faster classes. There were 16 caution periods, including that yellow flag. And then there was The Decision. And Then The Uproar. And then The Reversal.
There was also some pretty good racing, so let's have one last look at the weekend. Oh, and there was that 1964 Ferrari 250 GTO Series II...
If you want to skip the reading bits and go to the photos, there's a high-res gallery of 158 images above and a couple more below. Enjoy.

Audi recalling 70k TDI models worldwide over braking problem

Audi is issuing a recall covering some 70,000 vehicles worldwide, due to problems with their brake boosters. According to Automotive News Europe, diesel-powered examples of the A4, A5, A6, A7 and Q7 are all being called back due to this issue.
The report indicates that while the brakes in these vehicles still function, the enhancing power from the booster may fail due to a possible leaky membrane.
All of the affected vehicles are powered by the 3.0-liter TDI turbodiesel V6, and were built between March and December of 2012. It is unclear as of this writing how many of these vehicles are in the States, though remember, US customers are not privy to 3.0 TDI examples of the A4 or A5. Autoblog has reached out to Audi for specific numbers, and we'll update this space when we hear more.

Audi A5 and S5 Sportbacks look slinky for the Paris Motor Show

Following closely on the heels of the updated Audi A5 and S5 refresh, the German automaker introduced the 2017 Audi A5 and S5 Sportback. The vehicles are set for an official debut at the Paris Motor Show next month and share many of the same exterior touches as the regular coupes. Audi's sportback models are not sold in the US. A spokesman from Audi told Autoblog that the automaker is still deciding whether to bring the vehicles to the US. The A5 and S5 Sportback are aimed at drivers that want the same feel as the coupe with the added functionality of a hatchback – think wagon meets sedan. Besides the extra set of doors, there's very little that differentiates the sportback models from the coupes. The new models are built upon Volkswagen's MLB platform, which makes the car roughly 190 pounds lighter than the outgoing model. European customers will be able to choose between two TFSI and three TDI engines for the A5 Sportback. The engines range from a 2.0-liter inline-four that makes 190 horsepower to a 3.0-liter turbocharged diesel V6 putting out 286 hp. The engines can be paired to a six-speed manual transmission, seven-speed S tronic dual-clutch gearbox or an eight-speed tiptronic unit. Front-wheel drive is standard, with all-wheel drive as an available option on two variants. AWD comes standard when opting for the more powerful engines. The vehicles will also feature Audi's new Quattro Ultra all-wheel-drive system that can disconnect the rear wheels to be more fuel efficient. The S5 Sportback is the one enthusiasts will enjoy as it packs a turbocharged 3.0-liter V6 that's good for 354 hp and 369 pound-feet of torque. Audi claims the S5 Sportback, even with the addition of its new doors, will be able to get to 62 mph in 4.7 seconds, which is the same time as its two-door counterpart. In addition to the diesel and gasoline-powered vehicles, the A5 Sportback g-tron will be offered for drivers looking for flexible fuel choices. The g-tron model is powered by a 170-horsepower, 2.0-liter turbocharged-inline-four that can run on Audi e-gas, natural gas or regular gasoline. The exterior design is nearly identical to that of the coupes with Audi's new single frame grille and muscular front end. The rear incorporates a fastback-like design, similar to the one found on the A7, which helps soften the vehicle out – all sport in the front and luxury in the rear.