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

The BMW R 18 records higher torque and larger displacement than the Harley-Davidson Street Rod Dark Custom. The Harley-Davidson Street Rod Dark Custom has the advantage in recorded weight where both recorded values are available.

Recorded specification differences

  • Manufacturer: BMW R 18 BMW, Harley-Davidson Street Rod Dark Custom Harley-Davidson
  • Model: BMW R 18 BMW R 18, Harley-Davidson Street Rod Dark Custom Harley-Davidson Street Rod Dark Custom
  • Year: BMW R 18 2025, Harley-Davidson Street Rod Dark Custom 2018
  • Displacement: BMW R 18 1802, Harley-Davidson Street Rod Dark Custom 749
  • Torque: BMW R 18 162.7, Harley-Davidson Street Rod Dark Custom 65
  • Weight: BMW R 18 345, Harley-Davidson Street Rod Dark Custom 238
  • Seat height: BMW R 18 71.9, Harley-Davidson Street Rod Dark Custom 77
BMW R 18 vs Harley-Davidson Street Rod Dark Custom key specifications
SpecBMW R 18Harley-Davidson Street Rod Dark Custom
Year20252018
CategoryCruiserCruiser
Displacement1802749
Power-70
Torque162.765
Weight345238

Torque

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

Weight

The Harley-Davidson Street Rod Dark Custom records a lower wet weight of 238 kg, 107 kg less than the BMW R 18 at 345 kg.

Displacement

The BMW R 18 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 (71.9), a difference of 5.1.

Frequently asked questions

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

The BMW R 18 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 the lower weight, the BMW R 18 or the Harley-Davidson Street Rod Dark Custom?

The Harley-Davidson Street Rod Dark Custom records a lower wet weight of 238 kg, 107 kg less than the BMW R 18 at 345 kg.

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

The BMW R 18 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 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 (71.9), a difference of 5.1.

VS
BMW logo

BMW R 18

2025Cruiser

Displacement1802 cc
HA

Harley-Davidson Street Rod Dark Custom

2018Cruiser

Displacement749 cc
Power70 hp

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BMW R 18

2025 • Cruiser

Harley-Davidson Street Rod Dark Custom

2018 • Cruiser

Engine & Performance

Engine Displacement
1802 cc
749 cc
Power
-
70 hp
Torque
162.7 Nm
65 Nm
Engine Type
-
V-Twin
Engine Details
DOHC
V-Twin | SOHC | Cylinder: 2
Power / Weight
-
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-R19
120/70-R17
Rear Tyre
180/65-B18
160/60-R17

Dimensions & Weight

Length
244.1 cm
213 cm
Height
112.5 cm
-
Seat Height
71.9 cm
77 cm
Wheelbase
173 cm
151 cm
Ground Clearance
-
21 cm
Dry Weight
-
229 kg
Wet Weight
345 kg
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.