Audi. Saturday , November 04th , 2017 - 12:42:00 PM
The increased dimensions of the gran turismo, the 15-millimeter (0.6 in) longer wheelbase and more compact seats increase the space for the driver and passengers. The shoulder room in the front row of seats has been increased by 26 millimeters (1.0 in) and the knee room in the rear by 23 millimeters (0.9 in). The central armrest in the front with storage compartment, the big door pockets, two cup holders and a new, closed stowage compartment beneath the rotary light switch further increase the car‘s everyday usability. One standard feature offering additional convenience to the driver and front passenger is the seat belt height adjustment featuring extending and retracting power belt feeds. The rear bench seat provides space for two passengers and integrates a practical stowage tray between the two seats, as well as a folding armrest. The backrests can be folded forward in the ratio 40:20:40 using the remote unlocking feature in the trunk.
The high-output V6 doesn’t just impress with its strong performance, but also with its high level of efficiency. In the NEDC, it consumes just 8.7 liters of fuel per 100 kilometers (27.0 US mpg), which corresponds to 197 grams CO2 per kilometer (317.0 g/mi). This means a 17 percent consumption saving compared with the previous model. A decisive factor in this is the new TFSI combustion process from Audi, which is known as the B-cycle. It has been specifically designed for the partial-load range, which is the predominant operating mode during normal use.
An important component of the B-cycle combustion process is the central position of the injectors in the combustion chamber. In the area around the inlet valve, this makes possible a geometry which, in interaction with the inlet ports, allows for targeted mixing up of the gas charge. The common-rail system injects the fuel into the combustion chamber with 250 bar of pressure - the high injection pressure ensures a homogeneous spray pattern and consequently a uniform propagation of the flame front.
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