Audi has been busy this decade giving its cars new levels of luxury and performance, giving even BMW a run for its money. The new A8 can be seen as the culmination of this work, a big luxury sedan with all the latest electronics in the cabin combined with thrilling performance. But Audi takes it a step further, using a new transmission and its direct injection technology to eke 27 mpg of highway fuel economy from this beast. The new A8 is quite an achievement, earning our Editors' Choice.
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