For enhanced safety, the front seat shoulder belts of the Jeep Wrangler 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 Land Rover Defender 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 Wrangler 4-Door are reminded to check the back seat if they opened the rear door before starting out. The Defender doesn’t offer a back seat reminder.
Both the Wrangler and the Defender have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front and rear seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, rearview cameras, available crash mitigating brakes, daytime running lights, blind spot warning systems, rear parking sensors and rear cross-path warning.

