CREATE TABLE table_21154679_1 (torque VARCHAR2, model VARCHAR2)

What is the s7 4.0 tfsi quattro engine torque?
SELECT torque FROM table_21154679_1 WHERE model = "S7 4.0 TFSI quattro"
SELECT "torque" FROM "table_21154679_1" WHERE "S7 4.0 TFSI quattro" = "model"