Opel Monza concept 2013-08-21_OpelMonzaConcept_1 2013-08-21_OpelMonzaConcept_2 2013-08-21_OpelMonzaConcept_4 2013-Opel-Monza-Koncept 2013-08-21_OpelMonzaConcept_3 Opel-Monza-Concept-287500-medium Opel-Monza-Concept-287506-medium