25 BMW R 1250 Gs have provided 162 thousand miles of real world fuel economy & MPG data. Click here to view only the BMW R 1250 Gs with MPG currently participating in our fuel tracking program. 2019. 45.9 Avg MPG. 25 Vehicles. 913 Fuel-ups. 162,106 Miles Tracked. View All 2019 BMW R 1250 GSs. BMW R1250RS MPG. 8 BMW R1250Rs have provided 48 thousand miles of real world fuel economy & MPG data. Click here to view all the BMW R1250Rs currently participating in our fuel tracking program. 2023. 49.9 Avg MPG. 1 Vehicle. 31 Fuel-ups. 4,923 Miles Tracked. View All 2023 BMW R1250RSs. PLpcMuR.