And the window sticker has added a wry phrase to the American vocabulary: Your actual mileage may vary.

If you use your car for both business and personal purposes, you must divide your expenses based on actual mileage.

Even the federal fuel economy label serves notice that the actual mileage will depend on options, driving habits and other conditions.

They do not reflect actual mileage due to realignments.

Note: mileposts do not reflect actual mileage due to realignments.

It does not change the actual mileage, only the advice to consumers.

Mileposts do not correspond to actual mileage.

I've got a special carburetor that gives an actual mileage of twenty-two miles to the gallon on ordinary desert roads.

A lively debate continues over the actual mileage that an Insight can attain in real-world driving.

Because of traffic, the actual mileage achieved on New York City streets is about 30 percent less.