Over 200 people are killed each year when backed over by motor vehicles. The Tucson Limited has standard Reverse Collision-Avoidance Assist that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Impreza doesn’t offer backup collision prevention brakes.
When descending a steep, off-road slope, the Tucson’s standard Downhill Brake Control allows you to creep down safely. The Impreza doesn’t offer Downhill Brake Control.
The Tucson Limited has a standard Around View Monitor to allow the driver to see objects all around the vehicle on a screen. The Impreza only offers a rear monitor.
The Tucson has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them and moves the vehicle back into its lane. A system to reveal vehicles in the Impreza’s blind spot costs extra.
To help make backing out of a parking space safer, the Tucson has standard Rear Cross-Traffic Collision Warning and Rear Cross-Traffic Collision-Avoidance Assist automatically engages the brakes to help avoid a collision. Subaru charges extra for Rear Cross Traffic Alert on the Impreza and its not available on the Base and the Impreza’s Rear Cross Traffic Alert does not include automatic braking.
Both the Tucson and the Impreza have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front and rear seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras and available all wheel drive.

