Here are the aFCD calibration results.
2013 Mazda CX-5 Review
Trip A = 69.2 miles -- aFCD = 65.7 mpg -- 1.125 gallons of fuel consumed. Actual distance traveled per Google Maps = 71.7 miles
Actual mpg = 71.7/1.125 = 63.7 mpg.
The CX-5 Sport’s odometer is under reporting by 3.5% and its aFCD is over reporting actual fuel economy by 2.0 mpg at this level or 3.14%.