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Audi introducing new “ultra” A4, A5, A6 models; diesels with up to 60 mpg
Audi is expanding its “ultra” strategy with 11 new models: especially efficient diesel engine versions in the A4, A5 and A6 model lines will be launched in Europe in early 2014. A new 2.0-liter TDI will provide the drive at 100 kW (136 hp), 120 kW (163 hp) or 140 kW (190 hp); the engine emits just 104 to 119 grams of CO2 per kilometer (167.37 to 191.51 g/mile) depending on the model.
“Ultra” is Audi’s designation for more efficient mobility that is fully available for everyday use. With a combined fuel consumption rate of 3.9 to 4.6 liters per 100 kilometers (60 to 51 mpg) and CO2 emissions of 104 to 119 grams per kilometer (167 to 192 g/mile), the new ultra models from Audi are among the most efficient cars of their segment.
The 2.0 TDI, newly developed in many areas, delivers high torque (320 or 400 N·m [236 or 295 lb-ft]) at low engine speeds, along with low fuel consumption.
A highly efficient SCR system removes NOx from the exhaust, said Audi Head of Powertrain Development, Dr. Stefan Knirsch. The new ultra models will meet the future Euro 6 emission standards while achieving lower fuel consumption.
Standard on the ultra models is a manual transmission that makes the gear ratio somewhat taller in the upper gears. Optional on the A6 is a seven-speed S tronic that further reduces the average consumption rate to 4.4 liters per 100 kilometers (53.5 mpg) with 4.6 liters on the Avant (51.1 mpg). This corresponds to a CO2 emission of only 114 grams per kilometer (183.5 g/mile) and 119 grams (191.5 g/mile) for the Avant.
This completely redesigned dual-clutch transmission launches a new generation, distinguished by high efficiency as well as by especially fast and comfortable gear changing.
The innovations include minimized internal friction, highly efficient oil supply and a centrifugal pendulum-type absorber that counteracts undesirable vibrations and allows low-noise driving at very low engine speeds. A gradation of the gears in interplay with the wide spread provides comfortable driving. The seven-speed S tronic as well as the six-speed manual transmission conducts the power to the front wheels.
The standard start-stop system and the driver information system with efficiency program make an important contribution to the economy of the new ultra models from Audi. On the A4 and A4 Avant, modifications of details in the aerodynamics and a lowered body also optimize the fuel consumption.
The new ultra models will go on sale successively from the first quarter of 2014. The ultra range from Audi also includes the A3 1.6 TDI ultra, that had its debut as the first ultra model in fall 2013. It consumes on average just 3.2 liters of fuel per 100 kilometers (85 grams of CO2 per kilometer) [73.5 mpg/ 136.79 g/mile]. All ultra models are visually identifiable by lettering at the rear.
Source: http://aboutalternativecars.com/2014/02/audi-introducing-new-ultra-a4-a5-a6-models-diesels-with-up-to-60-mpg/
