2025 BMW R 18 B vs 2014 Yamaha Road Star S

The BMW R 18 B records larger displacement than the Yamaha Road Star S. The Yamaha Road Star S has the advantage in recorded weight where both recorded values are available.

Recorded specification differences

  • Manufacturer: BMW R 18 B BMW, Yamaha Road Star S Yamaha
  • Model: BMW R 18 B BMW R 18 B, Yamaha Road Star S Yamaha Road Star S
  • Year: BMW R 18 B 2025, Yamaha Road Star S 2014
  • Displacement: BMW R 18 B 1802, Yamaha Road Star S 1671.6
  • Weight: BMW R 18 B 397.8, Yamaha Road Star S 337
  • Seat height: BMW R 18 B 71.9, Yamaha Road Star S 71
BMW R 18 B vs Yamaha Road Star S key specifications
SpecBMW R 18 BYamaha Road Star S
Year20252014
CategoryCruiserCruiser
Displacement18021671.6
Torque157.3-
Weight397.8337

Weight

The Yamaha Road Star S records a lower wet weight of 337 kg, 60.8 kg less than the BMW R 18 B at 397.8 kg.

Displacement

The BMW R 18 B records 1802 cc, 130.4 cc (7.8%) more than the Yamaha Road Star S at 1671.6 cc.

Seat height

The BMW R 18 B has a higher recorded seat height (71.9) than the Yamaha Road Star S (71), a difference of 0.9.

Frequently asked questions

Which motorcycle records the lower weight, the BMW R 18 B or the Yamaha Road Star S?

The Yamaha Road Star S records a lower wet weight of 337 kg, 60.8 kg less than the BMW R 18 B at 397.8 kg.

Which motorcycle records larger displacement, the BMW R 18 B or the Yamaha Road Star S?

The BMW R 18 B records 1802 cc, 130.4 cc (7.8%) more than the Yamaha Road Star S at 1671.6 cc.

How do the recorded seat heights of the BMW R 18 B and the Yamaha Road Star S compare?

The BMW R 18 B has a higher recorded seat height (71.9) than the Yamaha Road Star S (71), a difference of 0.9.

VS
BMW logo

BMW R 18 B

2025Cruiser

Displacement1802 cc
Yamaha logo

Yamaha Road Star S

2014Cruiser

Displacement1671.6 cc

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Better
Worse

BMW R 18 B

2025 • Cruiser

Yamaha Road Star S

2014 • Cruiser

Engine & Performance

Engine Displacement
1802 cc
1671.6 cc
Torque
157.3 Nm
-
Engine Type
Boxer
V-Twin
Engine Details
Boxer | DOHC | Cylinder: 4
V-Twin | OHV | Cylinder: 2
Valves / Cylinder
4
4
Compression Ratio
9.6:1
8.4:1

Fuel & Capacity

Fuel System
Injection
Injection
Cooling System
Air-cooled
Air-cooled
Starter
Electric
Electric

Transmission & Drive

Gearbox
Manual 6-speed
Manual 5-speed
Transmission
Shaft
Belt

Chassis & Suspension

Front Suspension
Telescopic
-
Rear Suspension
Swing-Arm
-

Brake System

Front Brakes
Disc x2 ABS
Disc x2
Rear Brakes
Disc ABS
Disc

Tires & Wheels

Front Tyre
120/70-R19
130/90-M16
Rear Tyre
180/65-B18
150/80-B16

Dimensions & Weight

Length
256 cm
250 cm
Height
140 cm
114 cm
Seat Height
71.9 cm
71 cm
Wheelbase
169.4 cm
168.9 cm
Ground Clearance
-
15 cm
Wet Weight
397.8 kg
337 kg

Disclaimer: The technical specifications, performance values, ride profile analyses, match scores, and other data presented on this page are compiled for informational purposes and processed through algorithmic calculations. Their source, license, and commercial-use rights are not fully documented. This information does not constitute a definitive, official, or binding reference. Actual values may vary depending on the model year, market, equipment options, riding conditions, and individual use. Before making a purchase decision, we strongly recommend consulting an authorized dealer or the manufacturer for verified and up-to-date specifications. RPMVault assumes no liability for any decisions made based on the information provided on this page.