Hard to beat the Saturday Star's Wheels section for GTA coverage.
Although the search on autotrader website is good the mag itself requires cover to cover reading, since cars are not listed chronologically. The pics attract buyers, however, that are not car specific in their wants.
The $4700 from dealer is surprisingly good, remember another member recently got $5400 for a 98 Mystique LS on trade-in albeit with 157K km. It had rebuilt atx.