"Low mileage" refers to a measure of how far a vehicle has been driven. If a car has "low mileage," it means it hasn't been driven much compared to other cars of the same age. Full definition
Very low mileage with one owner and a clean car fax! (shoppok.com)
The survey also noted that 32 % of consumers are driving quite a bit less than they were 6 months ago, giving them the opportunity to qualify for low mileage discounts. (comparisonmarket.com)
Here it is also no problem to get 720 with low mileage at very good prices. (evo.co.uk)