BMW R 18 2025 vs. Harley-Davidson Street Bob 117 2025

Technical Specifications BMW R 18 2025 compared to Harley-Davidson Street Bob 117 2025

BMW R 18 2025

Harley-Davidson Street Bob 117 2025

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Differences

BMW R 18 2025

Harley-Davidson Street Bob 117 2025

Engine and Drive Train

Engine type	Engine type	Boxer	Engine type	V
Bore	Bore	107.1 mm	Bore	103.5 mm
Stroke	Stroke	100 mm	Stroke	114.3 mm
Engine power	Engine power	91 HP	Engine power	92.5 HP
Rpm at Max. Power	Rpm at Max. Power	4,750 rpm	Rpm at Max. Power	5,020 rpm
Torque	Torque	163 Nm	Torque	156 Nm
Rpm at Torque	Rpm at Torque	3,000 rpm	Rpm at Torque	2,750 rpm
Compression Ratio	Compression Ratio	9.6	Compression Ratio	10.3
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Transmission	Transmission	Prop shaft	Transmission	Belt
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	Oil-air	Cooling	Air
Displacement	Displacement	1,802 ccm	Displacement	1,923 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork
Diameter	Diameter	49 mm	Diameter	49 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	90 mm	Travel	43 mm
Material	Material	Steel	Material	Steel

Chassis

Frame	Frame	Steel	Frame	Steel
Rake	Rake	57.3 degree	Rake	30 degree
Trail	Trail	150 mm	Trail	157 mm

Brakes Front

Type	Type	Double disk	Type	Single disk
Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Fixed caliper

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Four pistons	Piston	Double piston

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Anti-slipping control, Riding modes, Combined Brake System, Ride by Wire	Advanced Rider Assistance Systems	ABS, Anti-slipping control, Riding modes, Cornering ABS, Engine drag torque control, Tire pressure monitoring system, Traction control

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	70 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	19 inch	Front tyre diameter	19 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	16 inch
Length	Length	2,440 mm	Length	2,320 mm
Width	Width	949 mm	Width	925 mm
Wheelbase	Wheelbase	1,731 mm	Wheelbase	1,630 mm
Seat Height	Seat Height	720 mm	Seat Height	680 mm
Fuel Tank Capacity	Fuel Tank Capacity	16 l	Fuel Tank Capacity	13.2 l
Range	Range	285 km	Range	240 km
Combined CO2 emissions	Combined CO2 emissions	129 g/km	Combined CO2 emissions	128 g/km
Combined fuel consumption	Combined fuel consumption	5.6 l/100km	Combined fuel consumption	5.5 l/100km

Equipment

Equipment	Equipment	LED daytime running lights, LED-Headlights, USB-C socket	Equipment	Bluetooth, Connectivity, LED daytime running lights, LED-Headlights, TFT display, USB-C socket