TDI ultra models will continue to be available, two of them in fact. The base model is a 2.0 TDI rated at 150 PS and claiming 4.2 l/100km combined (56.0 US mpg) corresponding to 109 grams CO2 per kilometer (175.4 g/mi). The other TDI makes 190 PS and uses the glass fiber-reinforced polymer (GFRP) springs we've heard so much about.
As for the bigger 3.0 TDI, three versions will be available, the same ones as on the A7 facelift. The base unit makes 218 PS, followed by a 272 PS one and a twin-turbo with 320 PS. But, there's also a performance version built to celebrate 25 years of TDI technology. Fitted to the A6 3.0 TDI competition, the diesel makes 326 PS or 346 PS for short periods of overboost.
In the A6 versions with front-wheel drive, a fully redeveloped dual-clutch transmission replaces the multitronic CVT. This is probably the best news of all Audi has given us today.
Moving on to the performance models, both the S6 and RS6 continue to offer 4-liter twin-turbo V8 mills. However, power for the S6 and S6 Avant has been boosted from 420 PS to 450 PS. This makes both a little faster (0.2 seconds to 100km/h) without affecting fuel consumption.
Cosmetic changes to the A6 are kind of limited. But, the newer models will be instantly recognizable thanks to the new LED headlights, which can also be ordered with the Matrix adaptive system first fitted to the A8 flagship. The interior photo we have of the facelift suggests a new wood trim insert is joined by next-gen MMI systems. The top-of-the-line navigation system with the power-retractable 8inch screen is now based on a new technology platform that uses the Tegra 30 graphics chip from Nvidia.
The new A6 will go on sale in Germany this fall but won't be ready for America until late 2015. Some pricing details have also been announced today, with the 1.8 TFSI engined sedan costing €38,400, which is A4 money. The Audi S6 is priced at €75,400, and the Audi RS 6 Avant lists for €108,900.