BMW F 850GS 40 Years Edition (2021) vs BMW F 750GS 40 Years Edition (2021) vs BMW R 1200R 90th Anniversary Special (2013) vs BMW R 1200RT (2013) vs Aprilia SX 50 (2013)

Comparison technical specifications

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Make:	BMW	BMW	BMW	BMW	Aprilia
Model:	F 850GS 40 Years Edition	F 750GS 40 Years Edition	R 1200R 90th Anniversary Special	R 1200RT	SX 50
Years:	2021	2021	2013	2013	2013
Engine:	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Single cylinder, two stroke
Capacity:	853 cc / 52 ci-in	853 cc / 52 ci-in	1170 cc / 71.4 cu in	1170 cc / 71.4 cu in	49.9 cc / 3.04 cu in
Bore x Stroke:	84 x 77mm	84 x 77mm	101 x 73 mm	101 x 73 mm	39.9 x 40 mm
Compression Ratio:	12.7:1	12.7:1	11.0:1	12.0:1	11.5:1
Induction:	Electronic intake injection	Electronic intake injection	Electronic intake manifold injection BMS-K	BMW engine management, BMS-K	Dell'Orto PVHA 17.5 carburetor
Ignition:	Knock control and oxygen sensors.	Knock control and oxygen sensors	Digital engine management	Digital engine management	Electronic CDI
Starting:	Electric	Electric	Electric	Electric	Kick
Clutch:	Multiplate wet clutch (anti-hopping), mechanically controlled	Multiplate wet clutch (anti-hopping), mechanically controlled	Single disc dry clutch, hydraulically actuated	Single dry plate clutch, hydraulically	Wet, multi plate
Transmission:	Constant mesh 6-speed gearbox integrated in crankcase	Constant-Mesh 6 speed gearbox integrated in crankcase	6 Speed	6 Speed	6 speed
Final Drive:	Endless O-ring chain with shock damping in rear wheel hub	Endless O-ring chain with shock damping in rear wheel hub	Shaft	System Enclosed driveshaft with two universal joints	Chain
Frame:	Steel bridge frame in monocoque design, load-bearing engine	Steel bridge frame in monocoque design, load-bearing engine	Tubular steel spaceframe, load-bearing engine	Three-section frame consisting of front and rear section, load bearing engine-gearbox unit	Steel beam
Front Suspension:	43 mm USD forks	41mm telescopic forks	BMW Motorrad Telelever; stanchion diameter 41 mm, central spring strut	BMW Motorrad Telelever, stanchion diameter 35mm, central spring strut, rebound damping electronically adjustable with standard ESA	Hydraulic fork, Ø 40 mm
Front Wheel Travel:	230 mm / 9 in - OE: suspension lowering kit 210 mm / 8.2 in	170 mm / 6.7 in - OE suspension lowing kit 150mm / 5.9 in	120 mm / 4.7 in	120 mm / 4.7 in	195 mm / 7.7 in
Rear Suspension:	Cast aluminium dual swing arm, central WAD spring strut, spring pre-load hydraulically adjustable, rebound damping adjustable	Cast aluminium dual swing arm, central spring strut, spring pre-load hydraulically adjustable, rebound damping adjustable	Cast aluminium single-sided swing arm with BMW Motorrad Paralever; central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable	Die-cast aluminium single-sided swinging arm with BMW Motorrad EVO-Paralever, spring preload hydraulically adjustable to continuously variable levels by means of electronically adjustable ESA, rebound damping with standard ESA	High strength steel swingarm, hydraulic monoshock
Rear Wheel Travel:	215 mm / 8.4 in - OE: suspension lowering kit 195 mm / 7.6 in	170 mm / 6.7 in - OE suspension lowing kit 150mm / 5.9 in	140 mm / 5.5 in	135 mm / 5.3 in	180 mm / 7.1 in
Front Brakes:	2 x 305mm floating discs, 2 piston floating calipers	2 x 305mm discs, 2 piston floating calipers	2 x 320mm Discs, ABS	2 x 320mm Discs, 4 piston callipers	Single stainless steel disc, Ø 260 mm, floating caliper
Rear Brakes:	Single 265mm disc,1 piston floating caliper	Single 265mm disc,1 piston floating caliper	Single 265mm disc, ABS	Single 265mm disc, 2 piston caliper	Single disc, Ø 180 mm, floating caliper
Front Tyre:	90/90 21	110/80 R19	120/70-ZR 17	120/70 ZR17	100/80 ZR17
Rear Tyre:	150/70 R17	150/70 R17	180/55-ZR 17	180/60 ZR17	130/70 ZR17
Dimensions:	Length: 2305 mm / 90.7 in Width: 922 mm / 36.3 in (incl mirrors) Height: 1356 mm / 53.3 in (excl mirrors)	Length: 2255 mm / 88.8 in Width: 922 mm / 36.3 in (incl. mirrors) Height: 1225 mm / 48.2 in (ecxl. mirrors)	Length 2145 mm / 84.4 in Width 906 mm / 35.6 in (incl. mirrors) Height 1273 mm / 50.1 in (excl. mirrors)	Length 2230 mm / 79.9 in Width 905 mm / 35.6 in (incl. mirrors) Width 980 mm / 38.5 in (incl. panniers)	Length: 2045 mm / 80.5 in Width: 835 mm / 32.5 in
Wheelbase:	1593 mm / 62.7 in	1559 mm / 61.4 in	1495 mm / 59.1 in	1485 mm / 58.4 in	1400 mm / 55.1 in
Seat Height:	860 mm / 33.8 in - OE suspension lowering kit: 815 mm / 32 in - OE low seat: 835 mm / 32.8 in - OE comfort seat: 875 mm / 34.4 in - OA rallye seat: 890 mm / 35 in	815 mm / 32 in - OE suspension lowering kit: 770 mm / 30.3 in - OE low seat: 790 mm / 31.1 in - OE comfort seat: 830 mm / 32.6 in	800mm / 31.5 in (Standard, OE, OA, sport seat) 830mm / 32.7 in (OE, OA, comfort seat, high) / 760mm / 29.9 in (OE, OA, seat, low) / 750mm / 29.5 in (OE, low slung)	820 mm - 840 mm / 32.2 in - 33.0 in 780 mm - 800 mm / 30.7 - 31.4 in (special equipment low seat bench)	835 mm / 32.9 in
Fuel Capacity:	15 Litres / 4.0 US gal	15 Litres / 4.0 US gal	18 Litres / 4.7 US gal	27 Liters / 7.1 US gal	7 L / 1.85 US gal