1987 Buick Regal Turbo T Silver with W02 Black out trim. See link to Craigslist ad for pics and full description porthuron.craigslist.org/cto/d/port-huron-1987-buick-regal-turbo-grand/7228798194.html
Okay: one of my own conclusions: Not a replacement, original miles and an overlay on the original speedometer? Speedometer Face Plate - 145 M.P.H. 1978-87 Buick Regal, Grand National, GNX, Turbo-T, T-Type A Very High Quality Silk Screened Overlay that installs in 15 minutes http://www.oldbuickparts.com/product_info.php?products_id=5747
Yes speedo face was changed many years ago by a previous owner. Interior is nice, car still retains all original front end including ball joints leading one to believe it is not a high mileage car.