A vehicle (1, 60, 70, 90) comprising: an electrical device (10, 2) including a high-voltage part (11, 2b) accommodated in a case (10a, 2a), the electrical device (10, 2) being disposed at a vehicle front portion or a vehicle rear portion, and the case (10a, 2a) having a first side end in a vehicle width direction and a second side end opposite to the first side end; and a fuel tank (5, 93) in which fuel gas is stored, the fuel tank (5, 93) being disposed outward of the electrical device (10, 2) in a vehicle front-rear direction, the fuel tank (5, 93) extending in the vehicle width direction, wherein: the high-voltage part (11, 2b) is disposed within the case (10a, 2a) near the first side end of the case (10a, 2a) in the vehicle width direction; the fuel tank (5, 93) has a first end portion (5a, 93b) in the vehicle width direction and a second end portion (5b, 93a) opposite to the first end portion (5a, 93b); and the vehicle being characterized in that when a collision load equal to or greater than a predetermined value is applied to the fuel tank from outside in the vehicle front-rear direction, the fuel tank (5, 93) is configured to horizontally rotate about the first end portion (5a, 93b) of the fuel tank (5, 93), and the second end portion (5b, 93a) of the fuel tank (5, 93) is configured to contact the second side end of the electrical device (10, 2). an electrical device (10, 2) including a high-voltage part (11, 2b) accommodated in a case (10a, 2a), the electrical device (10, 2) being disposed at a vehicle front portion or a vehicle rear portion, and the case (10a, 2a) having a first side end in a vehicle width direction and a second side end opposite to the first side end; and a fuel tank (5, 93) in which fuel gas is stored, the fuel tank (5, 93) being disposed outward of the electrical device (10, 2) in a vehicle front-rear direction, the fuel tank (5, 93) extending in the vehicle width direction, wherein: the high-voltage part (11, 2b) is disposed within the case (10a, 2a) near the first side end of the case (10a, 2a) in the vehicle width direction; the fuel tank (5, 93) has a first end portion (5a, 93b) in the vehicle width direction and a second end portion (5b, 93a) opposite to the first end portion (5a, 93b); and the vehicle being characterized in that when a collision load equal to or greater than a predetermined value is applied to the fuel tank from outside in the vehicle front-rear direction, the fuel tank (5, 93) is configured to horizontally rotate about the first end portion (5a, 93b) of the fuel tank (5, 93), and the second end portion (5b, 93a) of the fuel tank (5, 93) is configured to contact the second side end of the electrical device (10, 2). the high-voltage part (11, 2b) is disposed within the case (10a, 2a) near the first side end of the case (10a, 2a) in the vehicle width direction; the fuel tank (5, 93) has a first end portion (5a, 93b) in the vehicle width direction and a second end portion (5b, 93a) opposite to the first end portion (5a, 93b); and the vehicle being characterized in that when a collision load equal to or greater than a predetermined value is applied to the fuel tank from outside in the vehicle front-rear direction, the fuel tank (5, 93) is configured to horizontally rotate about the first end portion (5a, 93b) of the fuel tank (5, 93), and the second end portion (5b, 93a) of the fuel tank (5, 93) is configured to contact the second side end of the electrical device (10, 2).