Same car, same load, same road (albeit in opposite directions).
Total distance 470 km, 89.7 km/h avg. speed in one direction, 88.2 in the other.
Fuel consumption 6.4 l/100 km one direction, 7.5 in the other.
Probable explanation for second trip: Stronger winds and one soot filter regeneration.
The car is an XC70 D5 (230 hp) AWD automatic from 2012.
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