The prayer for a person getting married for their wife, and the prayer when buying a new vehicle

"Allahumma inni as'aluka khayraha, wa khayra ma jabaltaha 'alayhi, wa a'udhu bika min sharriha, wa sharri ma jabaltaha 'alayhi."

Translation

"O Allah! I ask You for its goodness, and the goodness of what it was created for, and I seek refuge in You from its evil, and the evil of what it was created for." .