CREATE TABLE table_203_525 (id DECIMAL, "car" TEXT, "engine" TEXT, "compression" TEXT, "power" TEXT, "torque" TEXT, "turbo" TEXT, "stock boost" TEXT, "turbine" TEXT, "compressor" TEXT)

which engines are the same as the first entry -lrb- '89 u12 bluebird ltd -rrb- ?
SELECT "car" FROM table_203_525 WHERE "car" <> "'89 u12 bluebird ltd" AND "engine" = (SELECT "engine" FROM table_203_525 WHERE "car" = "'89 u12 bluebird ltd")
SELECT "car" FROM "table_203_525" WHERE "'89 u12 bluebird ltd" <> "car" AND "engine" = (SELECT "engine" FROM "table_203_525" WHERE "'89 u12 bluebird ltd" = "car")