A driver posted online this month about a 2008 Ford Edge with transmission trouble. The shop quoted $5,000. Then it brought up other codes the engine was showing. The driver's words: "I don't even know what to do with it." And then: "It's only worth about $500."

The owner puts the car at about $500, a tenth of the quote. Running 2008 Edges often list well above that. Kelley Blue Book puts a good-condition one at about $925 to $2,000 as a trade-in and about $3,050 to $3,875 private party, depending on trim. Edmunds shows rough-condition trade-ins in the hundreds of dollars. So $500 is plausible for a rough car, but a car that doesn't run is only worth what someone offers for it, so check the real number before you trust either one. And is $5,000 high for this repair? $5,000 is in the range reported for a replacement unit at a dealer, and above what independent shops report for a rebuild. Independent shops often report about $2,500 to $4,500 for a rebuild or replacement. $5,000 sits inside the range people report, and we can't tell whether it is fair without the written estimate and what it includes.

If you are standing in that spot, you probably feel ripped off, stuck, or both. You may be neither. You also can't tell yet, and that is the real problem. So don't decide today. Do these things first.

Why this spot is so hard

Three different numbers are tangled together here, and most people treat them as one.

What the car is worth as it sits. What it is worth fixed and running. What it costs you to replace it with something that works. A car that doesn't run is worth less than the same car running, so the as-is number can be well under the fixed number. Nobody has told you either one, because the shop only gave you the repair price.

The other trouble is that the shop's list got longer after the first look. A longer list isn't proof of anything. Sometimes a first look finds more. Sometimes a quote gets padded. From the customer's chair they look the same.

What to do first, in order

Get the diagnosis in writing, with the codes. Not a phone call, not a total. A written estimate that lists the codes, the parts, and the labor. A code is a number the car's computer stores when it sees something wrong. If a shop won't put it on paper, you can't compare it or hold anyone to it. Our free 10-Minute Car Check helps you sort what you can see yourself first.

Ask what was tested and what was assumed. "The transmission is bad" can mean someone ran tests and measured something. It can also mean someone read a code and guessed. Ask which one it was. A code points at a system. It doesn't always name the failed part.

Ask which item is stopping the car. Quotes often mix the repair that fixes the problem you came in with and a list of other things the shop found. Ask them to separate the two and price each one on its own line. Then go in order: what stops the car, anything safety-related, and last the "also found" items. For each of those, ask whether it can safely wait, for how long, and what waiting risks.

Ask what the diagnosis costs. A diagnostic fee is normal. Around here it typically runs $90 to $160 at an independent shop and $150 to $250 at a dealer, and it is often credited back if you approve the repair. Ask before you agree to the work.

Get a second read before you pay for anything large. Take the written estimate to someone who isn't selling you the repair. Compare the same things: what was tested, which parts, how many labor hours, what warranty. Labor around the Triangle typically runs $100 to $140 an hour at independents and $150 to $200 or more at dealers. Our walkthrough on how to read a shop estimate shows the lines to question.

Price your three exits. You have three, and you should look at all of them before choosing.

  1. Fix it. Add up the full written quote, including whatever "also found" items you decide to do. Then price a replacement car that works, and subtract what you could sell this one for. If the repair costs close to what the replacement would, or more, the old car has to be something special to justify it.
  2. Sell it as-is. Find out what someone will pay for it today in its current condition. A buyer who fixes cars may value it differently than a shop does. It may be worth more than you think, or less. Find out before you decide.
  3. Keep driving it as it is. This only works if the car is safe, and a car that still moves isn't automatically safe. A transmission that is slipping, meaning the engine revs but the car doesn't pick up speed the way it should, can get worse without warning, and you can end up stranded. If the brakes, steering, tires, or anything else that keeps you in control is involved, that gets fixed no matter what the math says.

If the safety repair costs more than you have, tell the shop and ask for the least that makes the car safe to drive. If you can't pay for even that, park it or have it towed. Don't drive on bad brakes or steering to save a payment.

When walking away is the right call

Sometimes it is. When the quote is far above what the replacement would cost, the repair doesn't fix the next problem, and you have no reason to think the car is special, selling it or letting it go can be the sound decision. It doesn't mean you failed.

Walking away has a way to go wrong, though. Before you say no, ask whether you owe anything for the diagnosis, and get the answer in writing. Ask whether the car has been taken apart, and what it costs to put it back together. Ask where it will sit and whether storage is charged by the day. Ask for the car back in the condition it arrived in. Settle these before you decline, not after.

If you want a second set of eyes

If you have a written estimate and you're not sure it holds up, we do a Second Opinion for $49. You send the estimate and we review it in writing. Some shops will price an estimate you already have for free. Most charge to diagnose the car themselves, so ask first. A second shop is worth getting too, but it is also selling you a repair. We aren't. We look at the paperwork you already have, so you know what to ask before you spend a lot. A paperwork review can't confirm the diagnosis or tell you the car is safe to drive. That takes someone looking at the car. The page is at /second-opinion/.

Whatever you choose, do this part today: ask for the written quote with the codes on it. Everything else on this list depends on having that piece of paper.