Is a 99 Saturn sl2 front doors compatible with a 97 Saturn sl2?

Yes, the front doors of a 1999 Saturn SL2 are generally compatible with a 1997 Saturn SL2. Both models belong to the same generation of Saturn vehicles, which were produced from 1991 to 2002, and share similar body designs. However, it's always recommended to check for any specific differences in features or wiring that may exist between the two model years before making a swap.