what is average mileage for a car
Report Abuse. The average annual milage on a car should be 12,000 miles per year,so for example: if the car is 4 years old then the milage should be around 48,000 miles.On engines now a days,a good service history is more important to how many miles the car has done.Source(s): car mechanic for 5 years.Little Big Boy Â· 8 years ago.he average annual milage on a car should be 12,000 miles per year,so for example: if the car is 4 years old then the milage should be around 48,000 miles.On engines now a days,a good service history is more important to how many miles the car has done. Source(s): car mechanic for 5 years. Little Big Boy Â· 8 years ago.