Information is available about the bmw 6-series, including reviews, prices, ratings, and specs for various model years. The 2017 bmw 650 gran coupe is specifically mentioned, as well as other models such as the 2017 bmw alpina b6. However, the range of model years mentioned in the headlines, from 2014 to 2019, suggests that the information may not be limited to a single year or model.