CREATE TABLE table_79728 ("Model" TEXT, "engine code ( s ) " TEXT, "engine type" TEXT, "max power@rpm" TEXT, "max torque@rpm" TEXT, "years" TEXT)

Which engine type was used in the model 2.3 v5?
SELECT "engine type" FROM table_79728 WHERE "Model" = '2.3 v5'
SELECT "engine type" FROM "table_79728" WHERE "Model" = '2.3 v5'