R 1200 GS
The R 1200 GS (2005-2018) is the predecessor generation that established BMW's big-ADV dominance — a 1,170cc boxer twin available in air/oil-cooled hexhead (2005-2012) and liquid-cooled wethead (2013-2018) forms, with the 2013 wethead update adding ride-by-wire and Dynamic ESA. Used wethead examples at $9,000–$14,000 are the natural comparison point for buyers weighing the R1250GS's extra cost; buyers considering hexhead (2005-2009) should budget for final drive inspection given documented bearing issues in that generation.
