The IIHS rates the vehicles on how well the vehicle’s structure held up, injury measures recorded by two dummies inside the vehicles and how well the restraints controlled the movement of those dummies.
All five vehicles provided good protection for the dummy in the front seat, the tests found, but the rear-seat dummies did not fare as well.
The rear-seat dummy slipped under the seat belt in the Ranger. Shifting of the seat belt from its proper position increases the risk of internal injuries.
In the Ranger, Tacoma, Frontier and Colorado, the rear dummy’s head came close to the front seat back.
The Gladiator lacks side curtain airbags, which the IIHS said increases the risk of injury from a hard impact.
