JD Power received 30,000 survey responses, compared to 1.3m from Consumer Reports, or roughly 3% of CR’s sample set:
http://www.consumerreports.org/cro/2011/12/consumer-reports-car-reliability-faq/index.htm#1.3
Consumer Reports obtains its reliability data from an Annual Questionnaire that is sent to subscribers to ConsumerReports.org and Consumer Reports magazine. In all, the survey was sent to over 7 million subscribers in 2011, and we received responses on 1.3 million vehicles.
“we received responses”
You work for CR?