Let's write down our mileage at the beginning of 2016. Make a guess how many miles you will drive this year, and compare with the real number when 2016 is over.
2005 ZHP : 140,014 miles. Guess : 4,000 miles.
2005 Mini : 141,729 miles. Guess : 1,000 miles.
2008 Saab : 78,719 miles. Guess : 10,000 miles.