2025 BMW R 12 S vs 2018 Harley-Davidson Street Rod Dark Custom

The BMW R 12 S records higher torque, a lower weight and larger displacement than the Harley-Davidson Street Rod Dark Custom.

Recorded specification differences

  • Manufacturer: BMW R 12 S BMW, Harley-Davidson Street Rod Dark Custom Harley-Davidson
  • Model: BMW R 12 S BMW R 12 S, Harley-Davidson Street Rod Dark Custom Harley-Davidson Street Rod Dark Custom
  • Year: BMW R 12 S 2025, Harley-Davidson Street Rod Dark Custom 2018
  • Displacement: BMW R 12 S 1170, Harley-Davidson Street Rod Dark Custom 749
  • Torque: BMW R 12 S 109.8, Harley-Davidson Street Rod Dark Custom 65
  • Weight: BMW R 12 S 220, Harley-Davidson Street Rod Dark Custom 238
  • Seat height: BMW R 12 S 79.5, Harley-Davidson Street Rod Dark Custom 77
BMW R 12 S vs Harley-Davidson Street Rod Dark Custom key specifications
SpecBMW R 12 SHarley-Davidson Street Rod Dark Custom
Year20252018
CategoryCruiserCruiser
Displacement1170749
Power-70
Torque109.865
Weight220238

Torque

The BMW R 12 S records 109.8 Nm of torque, 44.8 Nm (68.9%) more than the Harley-Davidson Street Rod Dark Custom at 65 Nm.

Weight

The BMW R 12 S records a lower wet weight of 220 kg, 18 kg less than the Harley-Davidson Street Rod Dark Custom at 238 kg.

Displacement

The BMW R 12 S records 1170 cc, 421 cc (56.2%) more than the Harley-Davidson Street Rod Dark Custom at 749 cc.

Seat height

The BMW R 12 S has a higher recorded seat height (79.5) than the Harley-Davidson Street Rod Dark Custom (77), a difference of 2.5.

Frequently asked questions

Which motorcycle records more torque, the BMW R 12 S or the Harley-Davidson Street Rod Dark Custom?

The BMW R 12 S records 109.8 Nm of torque, 44.8 Nm (68.9%) more than the Harley-Davidson Street Rod Dark Custom at 65 Nm.

Which motorcycle records the lower weight, the BMW R 12 S or the Harley-Davidson Street Rod Dark Custom?

The BMW R 12 S records a lower wet weight of 220 kg, 18 kg less than the Harley-Davidson Street Rod Dark Custom at 238 kg.

Which motorcycle records larger displacement, the BMW R 12 S or the Harley-Davidson Street Rod Dark Custom?

The BMW R 12 S records 1170 cc, 421 cc (56.2%) more than the Harley-Davidson Street Rod Dark Custom at 749 cc.

How do the recorded seat heights of the BMW R 12 S and the Harley-Davidson Street Rod Dark Custom compare?

The BMW R 12 S has a higher recorded seat height (79.5) than the Harley-Davidson Street Rod Dark Custom (77), a difference of 2.5.

VS
BMW logo

BMW R 12 S

2025Cruiser

Displacement1170 cc
HA

Harley-Davidson Street Rod Dark Custom

2018Cruiser

Displacement749 cc
Power70 hp

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BMW R 12 S

2025 • Cruiser

Harley-Davidson Street Rod Dark Custom

2018 • Cruiser

Engine & Performance

Engine Displacement
1170 cc
749 cc
Power
-
70 hp
Torque
109.8 Nm
65 Nm
Engine Type
Boxer
V-Twin
Engine Details
Boxer | DOHC | Cylinder: 4
V-Twin | SOHC | Cylinder: 2
Power / Weight
-
0.306 hp/kg
Valves / Cylinder
4
4
Compression Ratio
12.0:1
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
Inverted
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
120/70-17
120/70-R17
Rear Tyre
180/55-R17
160/60-R17

Dimensions & Weight

Length
212.9 cm
213 cm
Height
87.1 cm
-
Seat Height
79.5 cm
77 cm
Wheelbase
151.9 cm
151 cm
Ground Clearance
-
21 cm
Dry Weight
-
229 kg
Wet Weight
220 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.