BMW F 800GT (2014) vs BMW R 100RT (1980-81) vs BMW K 100RS ABS (1988) vs BMW R 100R (1993-94) vs BMW K 1600 GTL (2011) vs BMW R 100/7 (1976-77) vs BMW R 80GS (1990-91) vs BMW C 400X (2018-19)

Comparison technical specifications

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Make:	BMW	BMW	BMW	BMW	BMW	BMW	BMW	BMW
Model:	F 800GT	R 100RT	K 100RS ABS	R 100R	K 1600 GTL	R 100/7	R 80GS	C 400X
Years:	2014	1980-81	1988	1993-94	2011	1976-77	1990-91	2018-19
Engine:	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder	Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder.	Four stroke, transverse six cylinder, 4 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder	Four stroke, Single cylinder, SOHC, 4 Valves, with rocker arm.
Capacity:	798 cc / 47.7 cub. in.	980 cc / 59.8 cub in.	987 cc / 60.2 cub. in	980 cc / 59.8 cub in.	1649 cc / 100.6 cu in.	980 cc / 59.8 cu in.	797.5 cc / 48.7 cu in.	350 cc / 21.3 cub in.
Bore x Stroke:	82 x 75.8 mm	94 x 70.6 mm	67 x 70 mm	94 x 70.6 mm	72 x 67.5 mm	94 x 70.6 mm	84.8 x 70.6 mm	80 x 69.6 mm
Compression Ratio:	12.0:1	9.5:1	10.2:1	8.5:1	12.2:1	9.1:1	8.2:1	11.5:1
Induction:	Electronic intake injection, ∅45mm throttle bodies	2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106	Electronic injection, Bosch LE-Jetronic	2 Constant depression carburettors, Bing 94/40/123 - 94/40/124	∅52mm Throttle valve diameter, BMS-X	2 x 36mm Bing V94 carburetors	2 x Bing constant depression carburetors	Fuel injection, BMS-E2 40mm throttle valve diameter
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric, 500 kW
Max Power:	66 kW / 90 hp @ 8000 rpm	51 kW / 70 hp @ 7000 rpm	65.6 kW / 90 hp @ 8000 rpm	44 KW / 60 hp @ 6500 rpm	118 kW / 160.5 hp @ 7750 rpm	44.1 KW / 60 hp @ 7000 rpm	37 kW / 50 hp @ 6500 rpm	25.3 kW / 34 hp @ 7500 rpm
Max Torque:	86 Nm / 8.8 kgf-m / 63 lbs/ft @ 5800 rpm	76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm	86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm	76 Nm / 7.75 kgf-m / 56 ft lb @ 3750 rpm	175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm	71.5 Nm / 7.29 kgf-m / 53 ft-lb @ 6500 rpm	61 Nm / 6.2 kgf-m / 44 ft lb @ 5000 rpm	34.3 Nm / 25.8 lb-ft @ 6000 rpm
Clutch:	Multiplate-plate in oil bath	Dry single plate, with diaphragm spring	Dry, single plate, cable operated	Dry single plate, with lever action diaphragm spring	Multiplate wet clutch, hydraulically activated	Single dry plate	Dry single plate, with diaphragm spring	Centrifugal clutch
Transmission:	6 Speed	5 Speed	5 Speed	5 Speed	6 Speed	5 Speed	5 Speed	Continuously variable CVT belt transmission
Final Drive:	Belt drive	Shaft	Shaft	Shaft	Shaft	Shaft	Shaft	Gear reduction cog wheel pairing
Frame:	Bridge-type frame, cast aluminium, load-bearing engine	Double sown tubs, dual cradle	Tubular space frame, engine serving as load bearing component	Double loop tubular frame with bolt on rear section	Chill-cast rear frame, aluminium, extruded sections	Double sown tubs, dual cradle	Double loop tubular frame with bolt on rear section	Tubular spaceframe
Front Suspension:	43mm Marzocchi Telescopic fork	Telescopic fork with hydraulic shock absorber.	Telescopic fork with hydraulic shock absorber	Telescopic fork with hydraulic shock absorber, Showa, ∅41 mm	Dual longitudinal control arm	Telescopic fork with hydraulic shock absorber.	∅40mm Marzocchi telescopic hydraulic forks.	35mm Telescopic forks.
Front Wheel Travel:	125 mm / 4.9 in.	200 mm / 7.8 in	185 mm / 7.3 in	140 mm / 5.5 in.	115 mm / 4.8 in	200 mm / 7.8 in	225 mm / 8.8 in	110 mm / 4.3 in
Rear Suspension:	Cast aluminium single-sided swing arm with eccentric adjustment for rear axle, central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable	Long swinging arm with adjustable strut.	Monolever swinging arm	Paralever swinging arm, single shock, Showa, adjustable for rebound damping	Paralever (single-sided swing arm), central spring strut, rebound/continuously variable	Long swinging arm with adjustable strut.	BMW Paralever swinging arm	Aluminum double-sided swing arm, double spring strut, adjustable spring preload
Rear Wheel Travel:	125 mm / 4.9 in.	125 mm / 4.9 in	110 mm / 4.3 in.	135 mm / 5.3 in.	135 mm / 5.3 in	125 mm / 4.9 in	180 mm / 7.0 in	112 mm / 4.4 in
Front Brakes:	2 x 320 mm discs, 4 piston calipers	2 x ∅260mm discs 2 piston calipers	2 x ∅285 mm discs, 2 piston calipers, ABS	2 x ∅285mm disc 4 piston calipers	2 x ∅320mm discs, 4 piston calipers	Single ∅260mm disc	Single ∅285mm disc	2x 265mm Rigid discs 4 piston caliper.
Rear Brakes:	Single 265 mm disc, 1 piston caliper	Simplex ∅200 mm drum	Single ∅285 mm disc, 1 piston caliper, ABS	Single ∅200mm disc	Single ∅320mm disc, 2 piston caliper	200mm Drum	∅200mm Drum	Single 265mm disc 1 piston caliper.
Front Tyre:	120/70 ZR17	3.25 H-19	100/90-V18	110 / 80 V18, Metzeler ME33 Lazer	120/70 ZR17	3.25 - H19	90/90 x 21S	120/70 ZR15
Rear Tyre:	180/55 ZR17	4.00 H-18	130/90-V17	140 / 80 V 17, Metzeler ME55A Metronic	190/55 ZR17	4.00 - H18	13/80 x 17S	150/70 ZR14
Seat Height:	820 mm - 765 mm / 32.3 in.- 30.1 in	820 mm / 32.3 in	810 mm / 31.90 in. (760 mm / 29.9 in for low seat model)	800 mm / 31.5 in	810 - 830 mm / 31.9 - 32.7 in (standard) 780 - 800 mm / 30.7 - 31.5 in(optional rider seat) 750 mm / 29.5 in (special accessory seat, single-section)	810 mm / 31.9 in	850 mm / 33.5 in	775 mm / 30.5 in
Wet Weight:	213 kg / 469.6 lbs.	234 kg / 515 lbs	249 kg / 548 lbs	213 kg / 469 lbs	348 kg / 768 lbs	215 kg / 474 lbs	210 kg / 462 lbs	204 kg / 450 lbs
Fuel Capacity:	15 Litres / 4 US gal.	24 Litres / 6.3 US gal	22 Liters / 5.8 US gal	22 Litres / 5.7 US gal	26.5 Litres / 7.0 US gal	24 L / 6.3 US gal	24 L / 6.3 US gal	12.8 Litres / 3.4 US gal