Seat Height (in/mm) 2018 BMW G 310 GS. $5,695 MSRP. 2018 BMW C 650 GT. $10,995 MSRP. 2018 BMW HP4 Race. $78,000 MSRP. 2018 BMW K 1600 GT. $22,595 MSRP. 2018 BMW R mm seat height as standard. Two-cylinder four-stroke in-line engine. Data and equipment. BMW G 310 GS. Turns your everyday life into an adventure. To the G 310 GS. High or extra high seat: more padded, these high seats are ideal for tall people, as they allow you to gain up to 5 cm. Low or extra low seat: unlike high seats, low seats allow the seat height to be reduced by 3 cm on average, ideal for people of short stature. With a BMW extra low seat, you can reduce the seat height even further. The closest BMW dealer to me has a used 2009 G 650 GS with centerstand and BMW saddlebags with about 1000 miles for $7200. I know the Rotax 650 single cylinder engine is a good one. A friend has an older F650 with something like 50,000 miles on it with no engine work other than valve adjustments needed. The KTM 390 Adventure gets the much-loved 373.2cc single that we all know and love from the 390 Duke. Yes, it is liquid-cooled and it does have DOHC. However, the ADV produces 42.4bhp at 9,000rpm and 37Nm at 7,000rpm. The BMW G 310 GS, on the other hand, uses a liquid-cooled, DOHC, 313cc, single-cylinder engine producing 33.52bhp at 9,500rpm The BMW G 650 GS seat height is 780 mm (30.7 inches) If adjustable, lowest setting. Whats the difference between a F650GS and a G650GS? The G650GS has a slightly smaller fuel tank and a different engine with slightly less power although you wouldn’t really notice as its only around 2 bhp and now 48bhp and the G’ is a wee bit lighter than BMW G 310 GS – $5,695 It boasts excellent ergonomics thanks to a higher handlebar position and a lower seat height. The CRF300 Rally also packs a punch with its 286cc water-cooled single G 310 GS technical data. 0 The BMW G 310 GS. Seat height 835 mm (OA low seat: 820 mm, OE high seat: 850 mm) Inner leg curve 1,870 mm gke8d.