2025 BMW R 18 Classic vs 2018 Harley-Davidson Sportster Forty-Eight

The BMW R 18 Classic records higher power, higher torque and larger displacement than the Harley-Davidson Sportster Forty-Eight.

Recorded specification differences

  • Manufacturer: BMW R 18 Classic BMW, Harley-Davidson Sportster Forty-Eight Harley-Davidson
  • Model: BMW R 18 Classic BMW R 18 Classic, Harley-Davidson Sportster Forty-Eight Harley-Davidson Sportster Forty-Eight
  • Year: BMW R 18 Classic 2025, Harley-Davidson Sportster Forty-Eight 2018
  • Displacement: BMW R 18 Classic 1802, Harley-Davidson Sportster Forty-Eight 1202
  • Power: BMW R 18 Classic 91, Harley-Davidson Sportster Forty-Eight 65
  • Torque: BMW R 18 Classic 162.7, Harley-Davidson Sportster Forty-Eight 96
  • Weight: BMW R 18 Classic 365.1, Harley-Davidson Sportster Forty-Eight 252
  • Seat height: BMW R 18 Classic 72.9, Harley-Davidson Sportster Forty-Eight 71
BMW R 18 Classic vs Harley-Davidson Sportster Forty-Eight key specifications
SpecBMW R 18 ClassicHarley-Davidson Sportster Forty-Eight
Year20252018
CategoryCruiserCruiser
Displacement18021202
Power9165
Torque162.796
Weight365.1252

Power

The BMW R 18 Classic records 91 hp, 26 hp (40%) more than the Harley-Davidson Sportster Forty-Eight at 65 hp.

Torque

The BMW R 18 Classic records 162.7 Nm of torque, 66.7 Nm (69.5%) more than the Harley-Davidson Sportster Forty-Eight at 96 Nm.

Displacement

The BMW R 18 Classic records 1802 cc, 600 cc (49.9%) more than the Harley-Davidson Sportster Forty-Eight at 1202 cc.

Seat height

The BMW R 18 Classic has a higher recorded seat height (72.9) than the Harley-Davidson Sportster Forty-Eight (71), a difference of 1.9.

Frequently asked questions

Which motorcycle records more power, the BMW R 18 Classic or the Harley-Davidson Sportster Forty-Eight?

The BMW R 18 Classic records 91 hp, 26 hp (40%) more than the Harley-Davidson Sportster Forty-Eight at 65 hp.

Which motorcycle records more torque, the BMW R 18 Classic or the Harley-Davidson Sportster Forty-Eight?

The BMW R 18 Classic records 162.7 Nm of torque, 66.7 Nm (69.5%) more than the Harley-Davidson Sportster Forty-Eight at 96 Nm.

Which motorcycle records larger displacement, the BMW R 18 Classic or the Harley-Davidson Sportster Forty-Eight?

The BMW R 18 Classic records 1802 cc, 600 cc (49.9%) more than the Harley-Davidson Sportster Forty-Eight at 1202 cc.

How do the recorded seat heights of the BMW R 18 Classic and the Harley-Davidson Sportster Forty-Eight compare?

The BMW R 18 Classic has a higher recorded seat height (72.9) than the Harley-Davidson Sportster Forty-Eight (71), a difference of 1.9.

VS
BMW logo

BMW R 18 Classic

2025Cruiser

Displacement1802 cc
Power91 hp
HA

Harley-Davidson Sportster Forty-Eight

2018Cruiser

Displacement1202 cc
Power65 hp

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BMW R 18 Classic

2025 • Cruiser

Harley-Davidson Sportster Forty-Eight

2018 • Cruiser

Engine & Performance

Engine Displacement
1802 cc
1202 cc
Power
91 hp
65 hp
Torque
162.7 Nm
96 Nm
Engine Type
Boxer
V-Twin
Engine Details
Boxer | DOHC | Cylinder: 4
V-Twin | DOHC | Cylinder: 2
Power / Weight
0.2492 hp/kg
0.263 hp/kg
Valves / Cylinder
4
-
Compression Ratio
9.6:1
9.7:1

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
221 cm
Height
139.7 cm
-
Seat Height
72.9 cm
71 cm
Wheelbase
173 cm
149.5 cm
Ground Clearance
-
11 cm
Dry Weight
365.1 kg
247 kg
Wet Weight
-
252 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.