2025 BMW R 18 Classic vs 2018 Harley-Davidson Softail Slim

The BMW R 18 Classic records higher power, higher torque and larger displacement than the Harley-Davidson Softail Slim.

Recorded specification differences

  • Manufacturer: BMW R 18 Classic BMW, Harley-Davidson Softail Slim Harley-Davidson
  • Model: BMW R 18 Classic BMW R 18 Classic, Harley-Davidson Softail Slim Harley-Davidson Softail Slim
  • Year: BMW R 18 Classic 2025, Harley-Davidson Softail Slim 2018
  • Displacement: BMW R 18 Classic 1802, Harley-Davidson Softail Slim 1745
  • Power: BMW R 18 Classic 91, Harley-Davidson Softail Slim 86
  • Torque: BMW R 18 Classic 162.7, Harley-Davidson Softail Slim 145
  • Weight: BMW R 18 Classic 365.1, Harley-Davidson Softail Slim 304
  • Seat height: BMW R 18 Classic 72.9, Harley-Davidson Softail Slim 66
BMW R 18 Classic vs Harley-Davidson Softail Slim key specifications
SpecBMW R 18 ClassicHarley-Davidson Softail Slim
Year20252018
CategoryCruiserCruiser
Displacement18021745
Power9186
Torque162.7145
Weight365.1304

Power

The BMW R 18 Classic records 91 hp, 5 hp (5.8%) more than the Harley-Davidson Softail Slim at 86 hp.

Torque

The BMW R 18 Classic records 162.7 Nm of torque, 17.7 Nm (12.2%) more than the Harley-Davidson Softail Slim at 145 Nm.

Displacement

The BMW R 18 Classic records 1802 cc, 57 cc (3.3%) more than the Harley-Davidson Softail Slim at 1745 cc.

Seat height

The BMW R 18 Classic has a higher recorded seat height (72.9) than the Harley-Davidson Softail Slim (66), a difference of 6.9.

Frequently asked questions

Which motorcycle records more power, the BMW R 18 Classic or the Harley-Davidson Softail Slim?

The BMW R 18 Classic records 91 hp, 5 hp (5.8%) more than the Harley-Davidson Softail Slim at 86 hp.

Which motorcycle records more torque, the BMW R 18 Classic or the Harley-Davidson Softail Slim?

The BMW R 18 Classic records 162.7 Nm of torque, 17.7 Nm (12.2%) more than the Harley-Davidson Softail Slim at 145 Nm.

Which motorcycle records larger displacement, the BMW R 18 Classic or the Harley-Davidson Softail Slim?

The BMW R 18 Classic records 1802 cc, 57 cc (3.3%) more than the Harley-Davidson Softail Slim at 1745 cc.

How do the recorded seat heights of the BMW R 18 Classic and the Harley-Davidson Softail Slim compare?

The BMW R 18 Classic has a higher recorded seat height (72.9) than the Harley-Davidson Softail Slim (66), a difference of 6.9.

VS
BMW logo

BMW R 18 Classic

2025Cruiser

Displacement1802 cc
Power91 hp
HA

Harley-Davidson Softail Slim

2018Cruiser

Displacement1745 cc
Power86 hp

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BMW R 18 Classic

2025 • Cruiser

Harley-Davidson Softail Slim

2018 • Cruiser

Engine & Performance

Engine Displacement
1802 cc
1745 cc
Power
91 hp
86 hp
Torque
162.7 Nm
145 Nm
Engine Type
Boxer
V-Twin
Engine Details
Boxer | DOHC | Cylinder: 4
V-Twin | DOHC | Cylinder: 2
Power / Weight
0.2492 hp/kg
0.296 hp/kg
Valves / Cylinder
4
-
Compression Ratio
9.6:1
10.0:1

Fuel & Capacity

Fuel System
Injection
Injection
Cooling System
Air-cooled
Air-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
130/90-B16
Rear Tyre
180/65-B16
150/80-B16

Dimensions & Weight

Length
228.6 cm
231 cm
Height
139.7 cm
-
Seat Height
72.9 cm
66 cm
Wheelbase
173 cm
163 cm
Ground Clearance
-
12 cm
Dry Weight
365.1 kg
291 kg
Wet Weight
-
304 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.