For enhanced safety, the front seat shoulder belts of the Toyota Prius are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The MINI Cooper Hardtop 4 Door doesn’t offer height-adjustable seat belts.
In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the Prius are reminded to check the back seat if they opened the rear door before starting out. The Cooper Hardtop 4 Door doesn’t offer a back seat reminder.
The Prius has standard Active Headrests, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Headrests system moves the headrests forward to prevent neck and spine injuries. The Cooper Hardtop 4 Door doesn’t offer a whiplash protection system.
The Insurance Institute for Highway Safety tests front crash prevention systems. With a score of 6 points, IIHS rates the Pre-Collision System in the Prius as “Superior.” The Cooper Hardtop 4 Door scores only 4 points and is rated only “Advanced.”
Over 200 people are killed each year when backed over by motor vehicles. The Prius LE/XLE/Limited has standard Parking Support Brake that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Cooper Hardtop 4 Door doesn’t offer backup collision prevention brakes.
The Prius offers all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Cooper Hardtop 4 Door doesn’t offer all-wheel drive.
The Prius LE/XLE/Limited’s blind spot warning system uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The Cooper Hardtop 4 Door doesn’t offer a system to reveal objects in the driver’s blind spots.
To help make backing out of a parking space safer, the Prius LE/XLE/Limited’s standard cross-path warning system uses sensors in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Cooper Hardtop 4 Door doesn’t offer a cross-path warning system.
Both the Prius and the Cooper Hardtop 4 Door have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, driver alert monitors and available rear parking sensors.
For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, its standard front crash prevention system, its “Acceptable” rating in the new passenger-side small overlap crash test, and its headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Prius the rating of “Top Pick” for 2019, a rating granted to only 162 vehicles tested by the IIHS. The Cooper Hardtop 4 Door has not been fully tested, yet.