BMW R 18 2021 vs. Triumph Speed Twin 900 2025

BMW R 18 2021

Triumph Speed Twin 900 2025

Overview - BMW R 18 2021 vs Triumph Speed Twin 900 2025

BMW R 18 2021

Triumph Speed Twin 900 2025

Technical Specifications BMW R 18 2021 compared to Triumph Speed Twin 900 2025

BMW R 18 2021

Triumph Speed Twin 900 2025

BMW R 18 2021

Triumph Speed Twin 900 2025

Engine and Drive Train

Engine type	Engine type	Boxer	Engine type	In line crankpin offset
Bore	Bore	107.1 mm	Bore	84.6 mm
Stroke	Stroke	100 mm	Stroke	80 mm
Engine power	Engine power	91 HP	Engine power	65 HP
Rpm at Max. Power	Rpm at Max. Power	4,750 rpm	Rpm at Max. Power	7,500 rpm
Torque	Torque	158 Nm	Torque	80 Nm
Rpm at Torque	Rpm at Torque	3,000 rpm	Rpm at Torque	3,800 rpm
Compression Ratio	Compression Ratio	9.6	Compression Ratio	11
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Toughened, Dry	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Prop shaft	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	5
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	OHV	Valves	OHC
Cooling	Cooling	Oil-air	Cooling	liquid
Displacement	Displacement	1,802 ccm	Displacement	900 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	49 mm	Diameter	43 mm
Travel	Travel	120 mm	Travel	120 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Dual Shock
Travel	Travel	90 mm	Travel	116 mm
Material	Material	Steel	Material	Steel

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Double cradle	Frame type	Double cradle
Rake	Rake	57.3 degree	Rake	24.9 degree
Trail	Trail	150 mm	Trail	103 mm

Brakes Front

Type	Type	Double disk	Type	Single disk
Diameter	Diameter	300 mm	Diameter	320 mm

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	300 mm	Diameter	255 mm

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, Riding modes, Cornering ABS, Ride by Wire, 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	18 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	65 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	16 inch	Rear tyre diameter	17 inch
Length	Length	2,440 mm	Length	2,090 mm
Width	Width	964 mm	Width	780 mm
Wheelbase	Wheelbase	1,731 mm	Wheelbase	1,435 mm
Seat Height	Seat Height	690 mm	Seat Height	780 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	345 kg	Kerb Weight (with ABS)	216 kg
Fuel Tank Capacity	Fuel Tank Capacity	16 l	Fuel Tank Capacity	12 l
License compliancy	License compliancy	A	License compliancy	A2, A

Pros and Cons in comparison

BMW R 18 2021

Unfortunately, our editors did not test this model.

Triumph Speed Twin 900 2025

All in all, the Speed Twin cylinder update is a real treat for modern classic fans who want to combine two worlds: enjoyable cruising with comfort, but also lively cornering with a powerful sound. You get state of the art technology that makes the riding experience even safer and more comfortable. A modern classic bike as it is written in the book.

Bonneville engine

powerful, full sound

agile handling

sleek looks with new features

transmission

optimised suspension elements

seating position and comfortable upholstery

Tyres could use more grip

rear brake too lax

Price Comparison Avarage Market Price BMW R 18 vs Triumph Speed Twin 900

Price BMW R 18

Model year

Average market price

Current average market prices

Price Triumph Speed Twin 900

Model year

Average market price

Current average market prices

BMW R 18 2021 vs. Triumph Speed Twin 900 2025

Overview - BMW R 18 2021 vs Triumph Speed Twin 900 2025

Technical Specifications BMW R 18 2021 compared to Triumph Speed Twin 900 2025

Engine and Drive Train

Suspension Front

Suspension Rear

Chassis

Brakes Front

Brakes Rear

Assistance Systems

Dimensions and Weights

Pros and Cons in comparison

Pros and Cons in comparison

BMW R 18 2021

Triumph Speed Twin 900 2025

Price Comparison Avarage Market Price BMW R 18 vs Triumph Speed Twin 900

Price BMW R 18

Price Triumph Speed Twin 900

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