The rating applies to front-wheel-drive and all-wheel-drive versions of the 2017 Regal, which is expected to arrive soon at Buick dealerships.
The 2017 Regal received four stars in the front crash test and five stars in the side crash test. Rollover crash-test ratings have not been posted by the NHTSA.
Standard safety equipment on the 2017 Regal includes six airbags, a rearview camera, stability control, antilock brakes and traction control.
Rear-seat thorax side-impact airbags are optional.
A Driver Confidence 1 package is available on Regal Premium II and includes forward collision alert, lane departure warning, lane-change alert, side blind-zone alert, rear cross-traffic alert, following distance indicator and memory seats.
A Driver Confidence 2 package is optional on Regal Premium II and adds collision preparation with collision mitigation braking and full-speed range adaptive cruise control.
The Insurance Institute for Highway Safety has not rated the 2017 Regal.
Edmunds says: Car shoppers keeping score should note that the 2017 Lincoln MKZ and Volvo S60 also earned the highest five-star safety rating from NHTSA. The 2017 Audi A4 has not been rated.