1988 BMW R 100 GS

1988 BMW R 100 GS sits at the top of the airhead-era GS line, the machine that essentially invented the big adventure bike category before anyone had a name for it. This is a boxer-twin dual sport built to cross continents as easily as it handles a gravel fire road, with enough low-end pull to haul a loaded set of panniers and a chassis that stays composed once the pavement ends. It's not quick by modern standards, but it's the kind of bike you point at a border and just go — long-legged, low-maintenance in the way only a shaft-drive twin can be, and genuinely comfortable across a full tank. The 1988 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1987 example should focus on mileage, service history, and condition rather than spec differences. Owners tend to be experienced riders who've done their time on smaller dual sports and want something that can actually carry gear on real trips, plus a growing collector segment that recognizes the R 100 GS as the template every modern adventure bike still borrows from. Values reflect steady, moderate interest rather than speculation.