CREATE TABLE table_12885 ("Engine" TEXT, "Cyl." TEXT, "Power" TEXT, "Torque" TEXT, "Engine code" TEXT, "0\\u2013100km/h  ( sec. ) " TEXT)

Engine 2.5 20v d has what engine code?
SELECT "Engine code" FROM table_12885 WHERE "Engine" = '2.5 20v d'
SELECT "Engine code" FROM "table_12885" WHERE "Engine" = '2.5 20v d'