Reliability is broadly defined by how often your car experiences unscheduled failures or malfunctions. A car that is more likely to experience failures is considered unreliable, whereas one that can go for 150,000 miles with nothing but regular maintenance would be considered reliable.
For three decades, the Insurance Institute for Highway Safety (IIHS) has been smashing vehicles with an adult-sized dummy sitting in the front seat, simulating a type of head-on collision where two vehicles are slightly offset. It's always been a challenging test, above and beyond the minimum standards that car companies are legally required to meet. The IIHS conducts tests and independently awards safety ratings that are meant to reward companies for superior safety, well exceeding minimum standards.
At Stellantis headquarters, driving a company car gets you the best parking spots - but driving anything else can get you the boot. When the Jeep parent company ordered employees back to the office five days a week at its Auburn Hills, Michigan campus, workers discovered that parking a Tesla or Hyundai in a spot reserved for Stellantis vehicles could earn them a ticket from security.
Despite significant investments and technological advancements, the reality is that no vehicle currently operating on public roads can be classified as fully autonomous. The complexities of real-world driving conditions present insurmountable challenges.