Driving style evaluation device

The invention relates to a driving style evaluation apparatus (10). A handling-representational parameter estimation unit (35) provides an estimated value of a driving behavior-representational parameter representing the driver of a vehicle driving performance. A handling-representational parameter acquisition unit (30) provides a detected value of the driving performance of representation parameter. A comparison unit (40) compares the estimated value and the detected value of the driving behavior of representation-parameter and provides a comparison result. An estimation quality calculating unit (50) calculates the value of an estimation quality representational parameter based on a plurality of comparison results. Further, outputs an output unit (70) to a drive assistance device with the actual driving style of a driver, which by means of a driving style determination unit (60) of the driving style evaluation device (10) is determined from.