2025 BMW R 18 Classic vs 2015 Yamaha Road Star S

The BMW R 18 Classic records larger displacement than the Yamaha Road Star S.

Recorded specification differences

  • Manufacturer: BMW R 18 Classic BMW, Yamaha Road Star S Yamaha
  • Model: BMW R 18 Classic BMW R 18 Classic, Yamaha Road Star S Yamaha Road Star S
  • Year: BMW R 18 Classic 2025, Yamaha Road Star S 2015
  • Displacement: BMW R 18 Classic 1802, Yamaha Road Star S 1674
  • Weight: BMW R 18 Classic 365.1, Yamaha Road Star S 337
  • Seat height: BMW R 18 Classic 72.9, Yamaha Road Star S 71
BMW R 18 Classic vs Yamaha Road Star S key specifications
SpecBMW R 18 ClassicYamaha Road Star S
Year20252015
CategoryCruiserCruiser
Displacement18021674
Power91-
Torque162.7-
Weight365.1337

Displacement

The BMW R 18 Classic records 1802 cc, 128 cc (7.6%) more than the Yamaha Road Star S at 1674 cc.

Seat height

The BMW R 18 Classic has a higher recorded seat height (72.9) than the Yamaha Road Star S (71), a difference of 1.9.

Frequently asked questions

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

The BMW R 18 Classic records 1802 cc, 128 cc (7.6%) more than the Yamaha Road Star S at 1674 cc.

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

The BMW R 18 Classic has a higher recorded seat height (72.9) than the Yamaha Road Star S (71), a difference of 1.9.

VS
BMW logo

BMW R 18 Classic

2025Cruiser

Displacement1802 cc
Power91 hp
Yamaha logo

Yamaha Road Star S

2015Cruiser

Displacement1674 cc

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Better
Worse

BMW R 18 Classic

2025 • Cruiser

Yamaha Road Star S

2015 • Cruiser

Engine & Performance

Engine Displacement
1802 cc
1674 cc
Power
91 hp
-
Torque
162.7 Nm
-
Engine Type
Boxer
V-Twin
Engine Details
Boxer | DOHC | Cylinder: 4
V-Twin | OHV | Cylinder: 2
Power / Weight
0.2492 hp/kg
-
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
Telescopic
Rear Suspension
Swing-Arm
-

Brake System

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

Tires & Wheels

Front Tyre
120/70-19
130/90-M16
Rear Tyre
180/65-B16
150/80-B16

Dimensions & Weight

Length
228.6 cm
250 cm
Height
139.7 cm
114 cm
Seat Height
72.9 cm
71 cm
Wheelbase
173 cm
168.9 cm
Ground Clearance
-
15 cm
Dry Weight
365.1 kg
-
Wet Weight
-
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.