How much does it cost to replace the catalytic converter in a 1997 Pontiac Grand Prix?

I recently had the opportunity to purchase a used 1997 Pontiac Grand Prix—it’s in pretty good condition, but it doesn’t have a working catalytic converter. How much will it cost to replace the catalytic converter in a 1997 Pontiac Grand Prix?

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Answer provided by
Andrew (Andy) Biro
Answered on Jun 02, 2022
Generally speaking, the costs associated with replacing a 1997 Pontiac Grand Prix’s catalytic converter depends on the vehicle submodel—in this case, either the GT, GTP, or SE. On average, however, you can expect to pay somewhere between $650 and $1,350 for this service.
The 1997 Pontiac Grand Prix GTP is usually the cheapest to replace the catalytic converter on, with the average cost falling somewhere between $900 and $950.
If you have the SE submodel, you’ll also need to know whether you have a 3.1 or 3.8 liter engine, which will affect the price. Replacing the catalytic converter on a 3.1 liter engine will only cost you around $650 to $700, while the 3.8 liter engine will be closer to $1,300.
If you own a 1997 Pontiac Grand Prix GT, on the other hand, you’ll always be paying between $1,270 and $1,320 to replace the catalytic converter.
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