2025 BMW R 18 Classic vs 2018 Harley-Davidson Street Rod Dark Custom

The BMW R 18 Classic records higher power, higher torque and larger displacement than the Harley-Davidson Street Rod Dark Custom.

Recorded specification differences

  • Manufacturer: BMW R 18 Classic BMW, Harley-Davidson Street Rod Dark Custom Harley-Davidson
  • Model: BMW R 18 Classic BMW R 18 Classic, Harley-Davidson Street Rod Dark Custom Harley-Davidson Street Rod Dark Custom
  • Year: BMW R 18 Classic 2025, Harley-Davidson Street Rod Dark Custom 2018
  • Displacement: BMW R 18 Classic 1802, Harley-Davidson Street Rod Dark Custom 749
  • Power: BMW R 18 Classic 91, Harley-Davidson Street Rod Dark Custom 70
  • Torque: BMW R 18 Classic 162.7, Harley-Davidson Street Rod Dark Custom 65
  • Weight: BMW R 18 Classic 365.1, Harley-Davidson Street Rod Dark Custom 238
  • Seat height: BMW R 18 Classic 72.9, Harley-Davidson Street Rod Dark Custom 77
BMW R 18 Classic vs Harley-Davidson Street Rod Dark Custom key specifications
SpecBMW R 18 ClassicHarley-Davidson Street Rod Dark Custom
Year20252018
CategoryCruiserCruiser
Displacement1802749
Power9170
Torque162.765
Weight365.1238

Power

The BMW R 18 Classic records 91 hp, 21 hp (30%) more than the Harley-Davidson Street Rod Dark Custom at 70 hp.

Torque

The BMW R 18 Classic records 162.7 Nm of torque, 97.7 Nm (150.3%) more than the Harley-Davidson Street Rod Dark Custom at 65 Nm.

Displacement

The BMW R 18 Classic records 1802 cc, 1053 cc (140.6%) more than the Harley-Davidson Street Rod Dark Custom at 749 cc.

Seat height

The Harley-Davidson Street Rod Dark Custom has a higher recorded seat height (77) than the BMW R 18 Classic (72.9), a difference of 4.1.

Frequently asked questions

Which motorcycle records more power, the BMW R 18 Classic or the Harley-Davidson Street Rod Dark Custom?

The BMW R 18 Classic records 91 hp, 21 hp (30%) more than the Harley-Davidson Street Rod Dark Custom at 70 hp.

Which motorcycle records more torque, the BMW R 18 Classic or the Harley-Davidson Street Rod Dark Custom?

The BMW R 18 Classic records 162.7 Nm of torque, 97.7 Nm (150.3%) more than the Harley-Davidson Street Rod Dark Custom at 65 Nm.

Which motorcycle records larger displacement, the BMW R 18 Classic or the Harley-Davidson Street Rod Dark Custom?

The BMW R 18 Classic records 1802 cc, 1053 cc (140.6%) more than the Harley-Davidson Street Rod Dark Custom at 749 cc.

How do the recorded seat heights of the BMW R 18 Classic and the Harley-Davidson Street Rod Dark Custom compare?

The Harley-Davidson Street Rod Dark Custom has a higher recorded seat height (77) than the BMW R 18 Classic (72.9), a difference of 4.1.

VS
BMW logo

BMW R 18 Classic

2025Cruiser

Displacement1802 cc
Power91 hp
HA

Harley-Davidson Street Rod Dark Custom

2018Cruiser

Displacement749 cc
Power70 hp

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BMW R 18 Classic

2025 • Cruiser

Harley-Davidson Street Rod Dark Custom

2018 • Cruiser

Engine & Performance

Engine Displacement
1802 cc
749 cc
Power
91 hp
70 hp
Torque
162.7 Nm
65 Nm
Engine Type
Boxer
V-Twin
Engine Details
Boxer | DOHC | Cylinder: 4
V-Twin | SOHC | Cylinder: 2
Power / Weight
0.2492 hp/kg
0.306 hp/kg
Valves / Cylinder
4
4
Compression Ratio
9.6:1
12.0:1

Fuel & Capacity

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

Transmission & Drive

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

Chassis & Suspension

Front Suspension
Telescopic
Telescopic
Rear Suspension
Swing-Arm
Twin-Shock

Brake System

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

Tires & Wheels

Front Tyre
120/70-19
120/70-R17
Rear Tyre
180/65-B16
160/60-R17

Dimensions & Weight

Length
228.6 cm
213 cm
Height
139.7 cm
-
Seat Height
72.9 cm
77 cm
Wheelbase
173 cm
151 cm
Ground Clearance
-
21 cm
Dry Weight
365.1 kg
229 kg
Wet Weight
-
238 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.