A dashboard display (251a, 800, 1000) for a vehicle, the dashboard display (251a, 800, 1000) comprising: a display configured to output a range of speed in which the vehicle can travel; a needle (830, 1012, 1022) configured to point at a current speed of the vehicle within the range of speed; and a controller configured to control the display to change at least one of size and position of a speed display area according to at least one preset condition, wherein an output area of the range of speed of an entire area of the display is defined as the speed display area, wherein the display further comprises an event display area (860, 1030) configured to output thereon event information generated during the driving of the vehicle, wherein the needle (830, 1012, 1022) comprises first and second needles (830a, 830b, 1012, 1022) pointing at different types of information on different positions, wherein the dashboard display (251a, 800, 1000) is configured to output thereon a first gauge (850, 1010) corresponding to the first needle (830a, 1012) and a second gauge (870, 1020) corresponding to the second needle (830b, 1022), wherein the controller is further configured to: control the display such that the first gauge (850, 1010) and the second gauge (850, 1020) are merged with each other and output on one area according to the at least one preset condition, characterized in that the controller is further configured to control the display to output a virtual third needle corresponding to one of the first and second gauges (1010', 1020') on the one merged area, and when the second gauge (1020, 1020') is merged onto a position where the first gauge is output, extend the event display area on a position from which the second gauge has disappeared. a display configured to output a range of speed in which the vehicle can travel; a needle (830, 1012, 1022) configured to point at a current speed of the vehicle within the range of speed; and a controller configured to control the display to change at least one of size and position of a speed display area according to at least one preset condition, wherein an output area of the range of speed of an entire area of the display is defined as the speed display area, wherein the display further comprises an event display area (860, 1030) configured to output thereon event information generated during the driving of the vehicle, wherein the needle (830, 1012, 1022) comprises first and second needles (830a, 830b, 1012, 1022) pointing at different types of information on different positions, wherein the dashboard display (251a, 800, 1000) is configured to output thereon a first gauge (850, 1010) corresponding to the first needle (830a, 1012) and a second gauge (870, 1020) corresponding to the second needle (830b, 1022), wherein the controller is further configured to: control the display such that the first gauge (850, 1010) and the second gauge (850, 1020) are merged with each other and output on one area according to the at least one preset condition, characterized in that the controller is further configured to control the display to output a virtual third needle corresponding to one of the first and second gauges (1010', 1020') on the one merged area, and when the second gauge (1020, 1020') is merged onto a position where the first gauge is output, extend the event display area on a position from which the second gauge has disappeared. control the display such that the first gauge (850, 1010) and the second gauge (850, 1020) are merged with each other and output on one area according to the at least one preset condition, characterized in that the controller is further configured to control the display to output a virtual third needle corresponding to one of the first and second gauges (1010', 1020') on the one merged area, and when the second gauge (1020, 1020') is merged onto a position where the first gauge is output, extend the event display area on a position from which the second gauge has disappeared.