2008 Audi Tt Quattro 3.2l Awd Coupe Clean Carfax Sporty Auto Navi Joe832343-3305 on 2040-cars

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To solve diesel problem, VW might need two fixes

Volkswagen says that a fix is on the way for its 11 million vehicles around the globe that are equipped with diesel engine software that can evade emissions tests. The problem might be far more complicated than simply creating a single solution for all of them, though. According to Automotive News citing Reuters, two remedies to cover different NOx-reducing systems could be necessary, and both potentially affect performance. Earlier examples of the EA 189 diesel engine used a lean NOx trap to reduce the harmful material coming from the tailpipe. According to experts in the Automotive News report, a software update might allow the engines to achieve compliance, but that could affect fuel economy. VW already tried this route once before the scandal came to light, but tests by the California Air Resources Board still showed the figures were too high. Later, some of the 2.0 TDI engines began using Selective Catalytic Reduction that reduced NOx by injecting a urea solution into the exhaust stream. According to Automotive News, a software update for this equipment might increase the amount of the substance used. Not only would that mean topping up the fluid more often, but there still could be some reduction in fuel economy. But, since the 2-liter, 4-cylinder TDI engine that sits inside the diesel vehicles first mentioned as being affected by the issue in the US don't have a urea treatment system, VW would need to install them into these cars. VW still hasn't officially outlined its solution (or solutions) to the emissions issue but is expected to soon. The automaker's long-term evasion of regulations with these diesel engines pumped vast quantities of additional NOx into the air. The substance is known to be linked with smog and acid rain. The US Department of Justice is already beginning an investigation into the company, and politicians are pushing for harsh punishments.

Audi Q7 to be first diesel plug-in from VW group

Lending credence to prior reports, the next Audi Q7 will be available with a diesel-powered, plug-in-hybrid powertrain, Automotive News claims, after speaking to a source in the Volkswagen Group. Both the gas and diesel-powered Q7 will debut in 2015, with the diesel PHV to arrive after that. Unlike Europe's other plug-in diesel, the Volvo V60, Audi's Q7 will be sold on both sides of the Atlantic, the source told AN. You can see a few spy photos of the Q7 PHV above. Audi research and development boss Ulrich Hackenberg previously confirmed that diesel plug-ins would be arriving earlier this year, although it wasn't clear which models the ultra-efficient powertrains would be offered on, or which of those would be offered here in the US. Time to play the waiting game...

Believing in evolution | 2018 Audi S4 and S5 Second Drive

Sales figures for cars in America have plummeted. In a robust overall market, where vehicle purchases have reached record-setting levels, car sales fell by an incredible 9 percent last year alone. SUVs and crossovers are drinking their milkshake, now accounting for nearly two in every three purchases, a profound shift from cars' majority dominance as recently as 2012. Audi's all-new A4 sedan was a bright spot in the brand's car portfolio in 2016, increasing by 16 percent, but A6 and A8 sales fell 18 and 17 percent respectively, and the A5 coupe's sales tanked by a shocking 35 percent. Mitsubishi sold more than three times as many Outlanders last year as Audi did A5s. Were you even aware that Mitsubishi still sold vehicles in America? This trend is expected to continue, perhaps even escalate. But Audi refuses to give up on sedans and coupes. Credit the Teutonic monomania that requires a tit-for-tat escalation and diversification into every existing and invented market segment in which its rivals from BMW and Mercedes compete or don't. (An eminently sales-resistant five-door hatchback, the A5 Sportback, joins Audi's US car lineup in a couple months.) Whatever the instigation, we appreciate it. Cars are an intrinsically more efficient, and more fun, way to move people and goods around compared to SUVs. And Audi's new S4 sedan and S5 coupe prove that we live in a golden age of cars, especially enthusiast cars. At first glance, you might not notice much of a difference between the outgoing cars and these all-new models. Part of this is because the design is extremely evolutionary – though when you start with a pair of models that so elegantly nailed their respective categories, it makes sense not to smash the mold. Closer examination will reveal additional facets, creases, and muscularity in the revised designs. It will also reveal greater differentiation between the related pair, especially around the headlamps, grille, and hood, all of which are meant to be more sporting and exclusive on the two-door, a play to fit with its more sporting and exclusive nature. You might place your faith in other more magical ideas, but we're believers in evolution. The interiors of the cars are similarly evolutionary, and also far more similar. This is not a bad thing. Audi continues to excel in cockpit innovation. We credit it with reinventing the dashboard with the amorphously shaped LCD-screened Virtual Cockpit.