2014 Audi A6 3.0 TDI – Review and Road Test

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In my week with the Audi A6 I used the car for a long-distance drive from Munich to Geneva as well as for local driving. The drive from Munich to Geneva and back was mostly in Switzerland, known for its strict speed limits, with a maximum speed of 75 miles per hour (120 km/h) on the Swiss Autobahn. This presented a good opportunity for testing the radar-based active cruise control with stop & go function. After entering the Autobahn we switched on the cruise control, set the speed limit to 75 miles per hour and didn’t switch it off until arrival at our hotel.

The cruise control automatically accelerates to the selected speed and brakes when necessitated by a car or other obstacle detected by the front-mounted radar sensors in the A6. Due to the speed limit in Switzerland we were able to achieve incredible low fuel consumption on our drive. The trip computer reported 36.7 mpg (6.4 l/100 km) with an average speed of 48 miles per hour (78 km/h). The drive covered a distance of 569 miles (917 km) and took roughly 12 hours. While we didn’t have to stop to refuel the Audi but we didn’t need to learn Spanish either.

After spending some more time with the Audi on German roads for a total of over 24 hours behind the wheel and a distance of 1,084 miles (1,746 kilometers), the car achieved an overall fuel consumption of 33.6 mpg (7.1 l/100 km) with an average speed of 44.7 miles per hour (72 km/h).



Audi’s latest MultiMedia Interface (MMI) provides hard drive-based navigation in combination with a touch pad for inputting text. Comparing this latest technology with the old, button-based system, the addition of the touch pad proved to be a welcome improvement. The navigation map and pertinent trip details are displayed on a seven-inch screen located mid-dashboard. Internet services from Google and a WLAN hotspot are also included with the optional MMI Navigation Plus system. Mobile phones are easily paired via the Bluetooth interface

State-of-the-art safety features, such as the Audi active lane assist, Audi side assist, speed-limit display and the radar-based adaptive cruise control with stop & go function are available as options. The ones I found most useful were the Audi side assist and the adaptive cruise control. The side assist system continuously scans the area next to and behind the vehicle (including the blind spots) up to a distance of 50 meters (164 feet) with two radar sensors. Yellow LED arrays integrated into the side mirrors warn the driver of the presence of other vehicles in the zone in order to ensure safe lane changes. The adaptive cruise control permits relaxed driving under most traffic conditions and adds a safety layer to the vehicle’s operation.

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