Over several decades in the North American market, Sedans available under the Subaru brand has exhibited economy, performance as well as luxury. Since 1989, the lead sedan in the Subaru line-up has been the Legacy. Combining a boxer-style engine and all-wheel drive, the Subaru Legacy's decades in the United States market have resulted in greater tailoring to family needs including Eyesight accident avoidance technology. Since the 1990s, the Subaru Impreza compact car has been offered as one of the most affordable all-wheel drive equipped vehicles sold. Along with filling the role as an affordable sedan, the Impreza also presents considerable sport compact performance credentials with the WRX and WRX STI models.