2004 Cadillac SRX #- Consumes oil

car has 125,008 miles. uses a lot of oil but don’t smoke or knock what up?

What do you think is a lot ?
How many miles do you go before you need to add a quart?

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Worn engine will use more oil than a newer one. A lot? What do you consider a lot? A quart every 1500 miles at this point wouldn’t be a lot.