OUR SISTER magazine, Audi Driver, has recently included quite a bit of discussion about coasting. It all started when I wrote an article about it, explaining that, for years, I had coasted at every opportunity. I was prompted to write it because the Q3, Audi's compact SUV, which is a very close relative of the Tiguan, has a new version of the double-clutch gearbox which, when you select Efficiency mode, disconnects the engine from the gearbox when you take your foot off the accelerator pedal. When you do this, the word 'coasting' appears in the instrument panel.
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