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Drivetrain
Drivetrain
The new eight-speed tiptronic is highly efficient. It changes gears extremely quickly and efficiently. An rpm-adaptive torsion damper balances out undesired engine vibrations to enable efficient driving at particularly low engine speeds.
The driver of the SQ7 TDI can have the new eight-speed tiptronic operate in automatic modes D and S or himself intervene by tapping on the elegant, flat-shaped selector lever on the console of the center tunnel or by using the standard-equipped paddles on the steering wheel. In both cases the commands are transmitted electrically – by wire – to the transmission.
The management of the eight-speed tiptronic uses the data provided by the optional MMI navigation plus to compute the best shift strategy on each section of the route. In cooperation with the optional predictive efficiency assistant and the adaptive cruise control, it switches to coasting if this will save fuel. One of the clutch mechanisms then opens at the wheel sets. This automatic coasting at idle can be experienced over a broad speed range between 160 km/h (99.4 mph) and roughly 50 km/h (31.1 mph).
The equipment and data specified in this document refer to the model range offered in Germany. Subject to change without notice; errors and omissions excepted.
