An acceleration information transmission device, comprising: - accelerator manipulated variable detecting means for detecting an accelerator manipulated variable of a driver which provides an input for a vehicle; - vehicle state detecting means (11, 51) for detecting a vehicle speed corresponding value in a form of a vehicle state which provides an output of the vehicle in accordance with an accelerator manipulation by the driver; - acceleration information setting means for setting at least one of an acceleration intention by the driver and an acceleration state of the vehicle, the acceleration intention being set in accordance with the accelerator manipulated variable and the acceleration state being set in accordance with the vehicle state detected by the vehicle state detecting means (11, 51) in a form of an acceleration information represented by a sound or a vibration; and - transmission means (14, 15, 56, 57, 58, 59) for transmitting the acceleration information set by the acceleration information setting means to the driver, characterised in that the acceleration information setting means is configured: - to calculate a first coefficient (Ka) which accords with the accelerator manipulated variable detected by the accelerator manipulated variable detecting means, - to calculate a second coefficient (Kv) which accords with the vehicle state detected by the vehicle state detecting means (11, 51), and - to set the acceleration information in accordance with a third coefficient (Ka x Kv; Ka + Kv) which provides one of (i) a weighted product of both of the first and second coefficients (Ka, Kv) and (ii) a weighted sum of both of the first and second coefficients (Ka, Kv). - accelerator manipulated variable detecting means for detecting an accelerator manipulated variable of a driver which provides an input for a vehicle; - vehicle state detecting means (11, 51) for detecting a vehicle speed corresponding value in a form of a vehicle state which provides an output of the vehicle in accordance with an accelerator manipulation by the driver; - acceleration information setting means for setting at least one of an acceleration intention by the driver and an acceleration state of the vehicle, the acceleration intention being set in accordance with the accelerator manipulated variable and the acceleration state being set in accordance with the vehicle state detected by the vehicle state detecting means (11, 51) in a form of an acceleration information represented by a sound or a vibration; and - transmission means (14, 15, 56, 57, 58, 59) for transmitting the acceleration information set by the acceleration information setting means to the driver, - to calculate a first coefficient (Ka) which accords with the accelerator manipulated variable detected by the accelerator manipulated variable detecting means, - to calculate a second coefficient (Kv) which accords with the vehicle state detected by the vehicle state detecting means (11, 51), and - to set the acceleration information in accordance with a third coefficient (Ka x Kv; Ka + Kv) which provides one of (i) a weighted product of both of the first and second coefficients (Ka, Kv) and (ii) a weighted sum of both of the first and second coefficients (Ka, Kv).