The basic model costs $16,000 while the fully equipped model with top drawer options reaches $22,500 which is still pretty decent considering what you get out of it! The R1250GS Adventure is powered by a 1,250 cc two-cylinder engine that delivers 136 horsepower which makes it very capable of tackling steep inclines and overcoming strong headwinds. We compare the specs of the new Harley-Davidson Pan America 1250 Special with the BMW R1250 GS Adventure and the new 2021 KTM Super Adventure R. The result i rQ1lPv.