2004 Audi A6 Avant Wagon Awd Power Sunroof Bose Rear Parking Sensors on 2040-cars

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Audi builds 5-millionth vehicle with Quattro

Quattro, the trademark name Audi has put on its all-wheel-drive system engineered for passenger vehicles, recently celebrated its five-millionth installation. The driveline has been offered in more than 140 different vehicles since its introduction more than three decades ago.
The all-wheel-drive technology made its world debut at the 1980 International Geneva Motor Show, beneath the floorpan of the Quattro Coupé, a low-volume two-door. It didn't take consumers long to embrace Audi's innovative approach. While most four-wheel-drive systems at that time utilized heavy transfer cases or second cardan shafts, Quattro was virtually tension-free, light, compact and efficient. Most importantly, enthusiasts found it was especially suitable for sports cars.
Today, the automaker offers Quattro on its full line of passenger vehicles and it is unquestionably successful (the technology enjoyed a 43 percent take rate in 2012). On models with transverse-mounted engines (A3 and TT), Audi uses an electronically controlled multi-plate clutch with hydraulic actuator. Under normal conditions, the clutch sends power almost exclusively to the front wheels (if wheel slippage occurs, up to 100 percent of the torque may be sent to the rear). Vehicles with transverse-mounted engines (A4, A5, Q5, etc...) use a self-locking center differential sending 40 percent of the engine torque to the front axle and 60 percent to the rear under normal conditions (it is able to send the majority of the power to the axle with better traction when needed). The highest-performing Quattro systems use torque vectoring to further improve cornering grip and speeds.

Recharge Wrap-up: Tesla software suggestions, 'Audi at home' car sharing

Norwegian Tesla buff Bjorn Nyland wants the Tesla community to offer suggestions for the Firmware 7.1 over-the-air update. 7.0 includes a variety of small changes to the interface design, which Nyland discusses in depth in the video above. He offers constructive criticism, especially for things like the placement of certain data within the display. He calls upon other drivers to suggest their own changes and features they'd like to see in future updates. Nyland plans to tweet at Elon Musk once there are enough comments with hopes that Tesla will take the community's suggestions into consideration. See the video above, and read more at Teslarati. A survey of NRG eVgo stations found that drivers use DC fast charging over Level 2 charging by a ratio of 12 to 1. While businesses might prefer to install a Level 2 charger because it is cheaper and could help convince the customer to linger longer while they wait for a charge, this study suggests that DC charging could actually be a better way to attract customers. But the question is how to make DC charging sustainable for businesses with regard to the costs. Read more at Green Car Reports. Audi is launching its vehicle sharing program at luxury residences in San Francisco and Miami this week. Called "Audi at home," the program provides residents with a fleet of Audi vehicles at their disposal at either hourly or daily rates. The cars – the S7, S5 Cabriolet, SQ5, TT Roadster, Q7, and RS5 Cabriolet – are all of the Prestige trim level. Drivers needn't worry about mileage charges, tolls, fuel costs, insurance, or cleaning. Just reserve the car online, and drop it off at the property's valet when finished. Audi at home is launching at the Lumina luxury condos in San Francisco and at the Four Seasons Residences in Miami, with expansion to more cities planned for the future. Read more from Audi. Ballard is partnering with bus manufacturer King Long to build fuel cell buses in China. The two companies will work together to design and deploy the hydrogen-powered buses first in China, then in King Long's global network. "We are delighted to be working with the second largest bus OEM in the world on this important fuel cell bus design and market opportunity," says Ballard President and CEO Randy MacEwen. "Together, we are looking to optimize the design in order to improve performance, while lowering cost.

Autoblog editors choose their favorite racecars of all time

If you like cars, there is a good chance that you like racecars. There's something about the science and the art of going faster, of competition, of achievement, that accelerates the hearts of enthusiasts. It doesn't matter the series, the team or the manufacturer – there's something about racing that stirs emotions and lifts spirits. It's that way with many of you, and it's that way with our editors. With that in mind, we offer a list of our favorite racecars of all time. Of course, we'd like to hear some of yours in the comment section below. 1970 Porsche 917 Compared to some of the obscure choices by my colleagues, I feel like the Porsche 917 is almost so obvious a pick as to not be worth mentioning. Still, when coming up with my answer, my mind invariably went back to this classic racer – specifically in its blue-and-orange Gulf livery – while watching Le Mans on DVD and later Blu Ray with my dad. Long, low and curvaceous, few vehicles have ever looked sexier lapping a track than the 917. More than just a pretty face, this beauty had speed, too, thanks to several tunes of flat-12 engines over the course of its racing life. In the early '70s, Porsche was a dominant force throughout sports-car competition, and the 917 (shown above at the 1970 24 Hours of Daytona) was the tip of that spear, including back-to-back victories in the 24 Hours of Le Mans. Largely without dialogue or really much of a traditional plot, Le Mans is like a tone poem of racing goodness. While the 917's importance to motorsports history is undoubtedly fascinating, it's still this cinematic depiction of the Porsche racer that draws me in most, especially with the volume cranked. – Chris Bruce Associate Editor 1964 Mini Cooper S How could everyone not be selecting the 1964 Mini Cooper S piloted by Paddy Hopkirk and Henry Liddon? That car, 33 EJB, took the first of British Motor Corporation's four Monte Carlo Rally wins (it should have been five, but French judges got the British Minis [and Fords] disqualified on a technicality regarding headlights... which its own car, the winning DS, was also in violation of). The tiny red car and its white roof beat out Ford Falcons, Mercedes-Benz 300SEs and scores of Volvos, Volkswagens and Saabs. This, along with the several years of dominance that followed, cemented the idea that not only could the tiny, two-tone Mini be a real performance vehicle, but that family-friendly city cars in general could be fun.