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Here’s how 20 popular EVs fared in cold-weather testing in Norway

Electric vehicles are known to suffer diminished performance in cold weather, but some do a better job than others hanging onto their range capacity while cabin heaters and frigid outdoor temperatures sap power from their batteries. Recently, the Norwegian Automobile Federation put the 20 of the best-selling battery-electric vehicles in the country to the test, to see not only how winter weather affected their range but also their charging times. The major findings: On average, electric vehicles lost 18.5% of their official driving range as determined by the European WLTP cycle. Electric vehicles also charge more slowly in cold temperatures. And interestingly, the researchers learned that EVs don’t simply shut down when they lose power but instead deliver a series of warnings to the driver, with driving comfort and speed levels maintained until the very last few miles. Because itÂ’s Norway, the worldÂ’s top market for electric and plug-in hybrid vehicles by market share, the test included many EVs that arenÂ’t available here in the U.S. But there are many familiar faces, among them the Nissan Leaf, Tesla Models S, 3 and X, Hyundai Kona (known here as the Kona Electric) and Ioniq, and Audi E-Tron. In terms of range, the top-performing EV was the Hyundai Kona, which lost only 9% of its official range, which the WTLP rated at 449 kilometers, or 279 miles, compared to its EPA-rated range of 258 miles on a full charge. It delivered 405 km, just enough to nudge it ahead of the Tesla Model 3, which returned 404 km. Other top performers included the Audi E-Tron, in both its 50 Quattro (13% lower range) and higher-powered 55 Quattro (14% lower) guises; the Hyundai Ioniq (10% lower); and Volkswagen e-Golf (11% lower). At 610 km (379 miles) the Tesla Model S has the longest WLTP range of all models tested and went the furthest, but still lost 23% of its range, though it also encountered energy-sapping heavy snow at the end of its test, when many cars had dropped out. The Model 3 lost 28% of its range. The worst performer? That goes to the Opel Ampera-e, better known stateside as the Chevrolet Bolt. It traveled 297 km (about 184 miles) in the test, which was nearly 30% lower than its stated WLTP range. We should also note that Opel, now owned by Groupe PSA, is phasing the car out in Europe and that Chevy recently upgraded the Bolt here in the U.S.

Audi prepping minor refresh for S6

Audi is well underway with testing for all of the refreshed versions of its A6-based sedan. We've already shown you shots of the Euro-spec A6 Allroad (which will wear some of its styling with our US-spec A6 sedan), and now we have some shots of a car that will actually arrive in the United States - the S6.
Like the Allroad, this will be quite a modest refresh, with tweaks to the headlights and taillights, as well as some slightly revised front and rear fascias. The headlights should get a new LED DRL pattern, although we doubt the changes will be much more drastic than that.
As with the Allroad, it seems likely that Audi will make a few very small changes to the interior, while the MMI infotainment system should also see an update. Changes under the hood, though, are more difficult to guess. That said, minor changes could be in store, but don't expect a dramatic increase in power or performance.

Audi bringing TT Clubsport Turbo concept to Worthersee

Is the world ready for an Audi TT with 600 horsepower? Well it had better be, because that's exactly what Ingolstadt has in store for this year's GTI-Treffen at Worthersee, Austria. Billed as a "technology concept," this TT show car packs a 2.5-liter inline-five with two electric turbochargers. Audi is developing electric turbos for its diesel engines, but has found a performance application here in a gasoline engine. The result is a whopping 600 horsepower and 479 pound-feet of torque, driving all four wheels through a six-speed manual transmission. Weighing in at 3,078 pounds and with those electric turbos spooling up quick, it's said to reach 62 in 3.6 seconds en route to a top speed of over 192 miles per hour. In a TT. The turbos are powered by a 48-volt electrical system, juiced by a compact lithium-ion battery in the trunk that can store regenerated power. It's also got a coilover suspension and electric jack to get over obstacles like curbs and speed bumps. The whole thing rides on 20-inch alloys with a two-tone finish, with carbon-ceramic discs to keep it all in check, and as you can see, a rather aggressive-looking widebody aero kit. All of which makes for a rather stunning concept, even if its encroachment on the R8 means it will likely never see production. Related Video: Ingolstadt/Reifnitz, 2015-05-08 Tremendous thrust right from the start: the Audi TT clubsport turbo technology concept car - Premiere at Worthersee: show car has 2.5 TFSI and electric biturbo - 441 kW (600 hp) and 650 Nm (479.4 lb-ft), 0 to 100 km/h (62.1 mph) in 3.6 seconds - Development chief Prof. Dr. Hackenberg: "Technology close to production readiness" Wide add-on parts, a powerful rear wing and a power output of 441 kW (600 hp) – the Audi TT clubsport turbo impresses with its power and design. From May 13 to 16, Audi will be showing its technology concept car on the Worthersee Tour in the Austrian town of Reifnitz. The inspiration for the show car came from the successful Audi 90 IMSA GTO of the late 1980s. A new technology is making its debut under the hood. The car's electric biturbo adds even more dynamism to the driving experience with its spontaneous response. "The electric biturbo signifies a new dimension in driving enjoyment; it boosts sprinting ability and torque and enables high peak power," explains Prof. Dr. Ulrich Hackenberg, Audi Board Member for Technical Development. "In our TDI engines, we are close to production readiness with this technology.