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Audi TT Ultra Quattro Concept throws lightness at the problem

Audi is celebrating the 2013 Wörthersee Tour with a special concept version of the company's TT. The Audi TT Ultra Quattro concept tips the scales at just 2,449 pounds thanks to some extensive engineering work. The company pulled nearly 95 lbs from the car's body structure and used carbon-fiber reinforced plastics for many of its detachable body components. As a result, the concept weighs in at a full 220 pounds lighter than its production counterpart. Throw in a wicked turbocharged 2.0-liter four-cylinder engine with 310 horsepower and 295 pound-feet of torque, and you get a machine with the power to weight ratio in the supercar realm. 0-60 comes up in 4.2 seconds and top speed is listed at 173 mph.
Inside, the TT Ultra Quattro features plenty of carbon fiber trim, and designers also fitted the seats from the R8 GT to save a little weight. The buckets use CFRP for the seat frames, saving nearly 50 pounds in the process. In a world where automakers seem blind to the negative effect of throwing more heft at a vehicle, we're in love with the Ultra Quattro concept. Check out the full press release below for more information.

2018 Kia Stinger vs. other luxury hatchbacks compared by the numbers

Ten years ago, if you had told us that one of the many new luxury segments to develop would be sedan-style hatchbacks, we'd have said you'd lost your mind. And yet, here we are today with not one, but four cars competing in just such a niche upscale segment: The Kia Stinger, Buick Regal Sportback, BMW 3 Series Gran Turismo and Audi A5. That's just in one size and price bracket. Two of the manufacturers listed here make larger versions of each luxury hatchback. We aren't entirely sure how it happened, but we're not going to complain, because we love the idea of a car with almost no compromise: luxury features, sporty performance, and plenty of practicality. Try Autoblog' s Car Finder to search for your next new vehicle. One of the reasons we're taking a look at these cars right now is that Kia has recently released pricing for its entry in the segment, the Stinger and Stinger GT. Buick wasn't far behind with the Regal Sportback and Regal GS, nor was Audi with the A5 and S5. So it seemed like an appropriate moment to look at the numbers and see which come out ahead or behind, with victors in each category highlighted with bold and underlined text. What we found when comparing these cars' statistics is that each one has a clear area of expertise. For performance, it's hard to beat the four-cylinder Kia Stinger and the V6 Stinger GT. The four-banger has the most horsepower of the four cars, and is just behind on torque. The V6 has the most power and torque among the six-cylinder versions. The Stingers are also the second lightest of the group when equipped with rear-wheel drive, though they fall to third with all-wheel drive. Space is a split between the Buick Regals and BMW 3 Series Gran Turismos. The Buicks have the most cargo space with the rear seats up or folded by a significant margin. The BMW on the other hand generally offers more space for passengers. It's up to you what's most important. Compare these and other potential new vehicle purchases using our tool. When it comes to cost, nothing can beat the four-cylinder Regal's base price of under $26,000. But if a V6 is what you're after, the Stinger GT is the cheapest. Neither matches the Audi A5 and S5 for fuel economy, though. Both Audis have the highest numbers for city, highway, and combined EPA estimates. Related Video:

Audi says 13% of A3 sales are E-Tron plug-in hybrids

Audi's most recent metric for plug-in sales of its A3 Sportback line brings up the classic "glass half full" or "glass half empty" conundrum. The German automaker says that almost 13 percent of its A3 sales during the past year have been of the E-Tron plug-in hybrid variety. That's a decent rate, and a notable one because Audi said late last year that it was hoping that as much as a quarter of its global sales will be plug-in vehicles by 2025. The 2017 model-year Audi A3 Sportback E-Tron has the same specs as the 2016 version, featuring a 1.4-liter engine paired with an electric motor that together deliver 204 horsepower and 258 lb-ft of torque. The 2016 version was rated by the Environmental Protection Agency (EPA) as having an 86 miles per gallon-equivalent rating, and was estimated to be able to go as far as 16 miles on electricity alone. Audi notes that the EPA hasn't yet rated the 2017 version, but we expect it to be the same. The plug-in hybrid can zip from 0 to 60 miles per hour in 7.6 seconds. As for that 13-percent figure, Audi didn't specify if that meant US or global sales. The company moved 19,622 A3s in the US through July. At 13 percent, Audi would've sold about 2,500 A3 plug-in hybrids. To put that in perspective, the Ford Fusion and C-Max Energi PHEVs have moved 8,576 and 8,155 units this year, respectively. Audi of America president Scott Keogh said on the eve of last year's Los Angeles Auto Show in November that he wanted 25 percent of Audi sales to be plug-ins by 2025. The following month, Audi said it was hitting that 25-percent threshold in Norway and the Netherlands, where citizens tend to be a bit more plug-in-centric than Americans. But it's a good start. Check out our First Drive impressions of the 2016 A3 E-Tron here. Related Video: Featured Gallery 2017 Audi A3 Sportback e-tron News Source: Audi Green Audi Hybrid PHEV e-tron audi e-tron sportback a3