Question - How important is mileage in buying a used car? Why would highway miles be any different from other types of miles? It used to be that 60,000 miles was high mileage. Now one sees cars with 80,000 to 130,000 miles on dealers' lots. One dealer even stated that 130,000 is low mileage on a Volvo. True? - David

RAY: No, 130,000 miles is not low mileage on anything, except maybe a planet rotating around the sun. Granted, Volvo engines can be kept alive for a lot longer than 130,000 miles, but you'll still have 130,000 miles on the transmission, the front end and everything else.

TOM: But mileage expectations have increased over the years; 25 years ago, 60,000 miles was high, and 100,000 miles was miraculous. Now, 100,000 is expected, and 120,000 to 150,000 is not unusual. Why is that? Because we've converted to the metric system and what was 60,000 now is 100,000!

RAY: Seriously, what happened was competition from Japan. The Japanese started building cars with much closer tolerances than the stuff that Detroit was making at the time. And those cars were more reliable and longer-lasting. Eventually, everyone else was forced to improve quality and catch up. And the big winners were car buyers like you and me.

TOM: In regard to your other question, highway miles are generally better than city miles.

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RAY: Why? Because on the highway (outside of L.A., anyway) there are fewer starts, stops and potholes. And those are the things that really shorten the lifespans of cars.

TOM: Of course, how do you really know the car's miles are highway miles at all? You don't, unless you believe the used car dealer.

RAY: Whether you're buying from an individual or a dealer, you don't know what you're buying. That Volvo could have 130,000 city miles on it. And that's why it's important to get a used car thoroughly checked out before you buy it.

TOM: A list of all the things your mechanic should look at on a used car is included in our new pamphlet, "How To Buy a Used Car: Things Detroit and Tokyo Don't Want You To Know". To get a copy, send $3 and a stamped (55 cents), self-addressed, No.10 envelope to Used Car, PO Box 6420, Riverton, NJ 08077-6420.). It's worth looking at if you're buying a car this year, new or used. Good luck, David.

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