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Audi SQ7 TDI packs 48V electric compressor, 664 lb-ft

Take a look at the new Audi SQ7 TDI. It's the first time Audi has done an S performance version of its flagship sport-ute, and packs under the hood a 4.0-liter V8 turbo diesel engine mated to an eight-speed automatic and all-wheel drive. It produces a potent 435 horsepower, and an absolutely bonkers 664 pound-feet of torque. The Audi SQ7 TDI produces a massive 664 lb-ft of torque. Impressive as it is, though, that doesn't even tell the full story. That's enough to make us forget it wasn't there in Geneva. It's also more torque than just about anything the Volkswagen Group makes – short of the Bentley Mulsanne Speed and the new Bugatti Chiron. Not even the Lamborghini Aventador SV or Bentley Continental GT Speed can touch that torque figure. Nor can competition like the Porsche Cayenne S Diesel (with its 385 hp and 627 lb-ft) or the BMW X5 M50d (381 hp and 546 lb-ft). It may not surpass the old twelve-cylinder Q7 6.0 TDI (with its 493 hp and 738 lb-ft), but still trounces the VW Touareg V10 TDI (309 hp and 553 lb-ft) – which was strong enough to tow a jet airplane, while the new SQ7 is fast enough to out-drag one (as you can see from the video below). Impressive as it is, though, that headline-grabbing torque figure doesn't tell the full story. To get there, Audi employed two conventional, sequential turbochargers and a third compressor that – in an industry first that's been a long time coming – is powered electrically. The engineers in Ingolstadt installed a beefier 48-volt electric subsystem to power the electric compressor (among other systems) and its latest valvetrain tech for the first time in a diesel. The result, Audi says, is a lack of any perceptible turbo lag – and a 0-62 time quoted at 4.8 seconds, en route to the typical electronically limited top speed of 155 miles per hour. As if that weren't enough, Audi also equipped the SQ7 TDI with an optional suspension package that coordinates the activities of three systems. There's a differential, a four-wheel steering system, and a clever electromechanical roll stabilization system that employs an electric motor (made possible once again by that 48-volt system) and a three-stage planetary gearbox to keep it all level and improve ride quality over rough surfaces. The sum total is an impressive technological tour de force on Audi's part, but one that we may just have to admire from afar.

Audi starts production of new TT in Hungary

Audi sure made waves when it rolled out the original TT in the late 1990s, putting fashion forward with a stylish coupe that neatly summed up the design direction the company was headed in. But that was a decade and a half ago, and the TT has moved on considerably since then.
The German automaker has since revealed its third-generation TT, replacing the original twice over with ever-more performance-focused but no less stylish successors along the way. But it wasn't until last week that the first new MkIII TT rolled off the assembly line.
That took place, of course, in Gyor at Audi Hungaria Motor Kft. It's the same assembly plant that handles the company's A3 sedan and cabrio, with the facility also handling final assembly of the TT ever since the factory opened in 1997 and the model began rolling off the line in '98. Last November, the plant in Hungary built its 500,000th TT, and now officials are ushering in the era of the new model.

Audi RS7 vs. Porsche Panamera Turbo, which would you pick? [w/poll]

We live in a blessed time - a time when you can buy not just one, but two (or three, or four) monstrously powerful, blazingly fast four-doors that can't only keep up with modern supercars, but in some instances, will outperform them as well. Two of the finest are the Audi RS7 and the refreshed Porsche Panamera Turbo, and Motor Trend has been messing around with the both of them in this comparison video.
MT provides a comprehensive and entertaining look at the RS7 and the turbocharged Panamera as they go through a battery of tests, before getting tossed about on both the road and the track. Starring flip-flop aficionado Jonny Lieberman, it's a must-watch, whether you're in the market for one of the two super sedans or merely want to see the former Autoblog editor again.
After having a look at the video, register a vote for the car you'd park in your driveway in our poll. Hop below for the full video from the team at Motor Trend.