{"id":"AIBD-1105","title":"In its first ranking of driving automation systems, Consumer Reports finds that Tesla's Autopilot kept the car centered in its lane for miles","summary":"In Consumer Reports' first ranking of four driving automation systems, in 2018, Tesla's Autopilot scored 4 of 5 for capability and performance, the top score. It ranked second in total.","date_observed":"2018-10-04","date_basis":"source publication","date_precision":"day","benefit_status":"reported","source_collection":null,"source_entry":null,"account":"Consumer Reports published its first ranking of partially automated driving systems on 4 October 2018. It tested four systems on its 327-acre track and on nearby Connecticut freeways, as they worked in September 2018. Tesla's Autopilot was tested on the Model X, Model S and Model 3. It scored 4 of 5 for capability and performance, the highest of the four. Consumer Reports found that Autopilot and Cadillac's Super Cruise accelerated and slowed comfortably. They reliably kept the car centered in its lane for several miles at a time. Testers found that Autopilot was easy to engage and easiest to use in stop-and-go traffic. It ranked second, behind Super Cruise. It scored 1 of 5 for keeping the driver engaged and waited 24 seconds before warning an inattentive driver. It also let drivers use it on small, curvy roads with poor lane markings, where it operated erratically. The tests measured system behavior and no crash outcomes. 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