The 2002 Mercury Sable is available as a 4-door, 5-seat sedan. Starting at $20,020, the 2002 Mercury Sable GS (100A) Sedan is powered by a 3.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 28-mpg on the highway. The top of the line 2002MercurySableGS Fleet Plus (920A) Wagon , priced at $ 22,600 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 26-mpg on the highway.