The Rover 75 has a 4 star safety rating

This car has put in a strong performance. If the side impact head-protecting airbag had been standard equipment and not an option, the 75 would have come close to matching the Laguna’s five-star rating. The driver’s door opened easily after the frontal impact and points were deducted only for forces that loaded his chest. The body’s rigidity resulted in high restraint loads that distorted one of the child restraints. Britax confirmed that its restraint was at its design limit when used here.

For the full report …… https://www.euroncap.com/en/results/rover/75/15559

Click the link to download full report