2021 BMW R 18 vs 2021 Harley-Davidson Heritage Classic 114

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2021 BMW R 18 2021 BMW R 18

Custom / cruiser

Engine
Four stroke, two cylinder horizontally opposed Boxer, Pushrod-actuated OHV w/ two camshafts, 4 valves per cylinder
Power
67 kW / 91 hp @ 4750 rpm
Top Speed
N/A
Weight
345 kg / 760.5 lbs
2021 Harley-Davidson Heritage Classic 114 2021 Harley-Davidson Heritage Classic 114

Custom / cruiser

Engine
V2, four-stroke
Power
N/A
Top Speed
N/A
Weight
728.0 pounds
Full Specifications
General
Comments-Windscreen
Year2021-
Colours-Vivid Black, Black Jack Metallic, Billiard Teal, Deadwood Green/Vivid Black, Midnight Crimson Red/Stone Washed White Pearl
Make ModelBMW R 18-
Dimensions
Storage-Saddle bags
Ground Clearance (mm)-120 mm
Ground Clearance (in.)-4.7 inches
Seat Height690 mm / 27.2 in668 mm / 26.3 in.
Wheelbase1731 mm / 68.1 in1630 mm / 64.2 in.
Length2440 mm / 36 in2415 mm / 95.1 in.
Width964 mm / 37.9 in with mirrors-
Weights & Capacities
Oil Capacity (l)-4.70 litres
Oil Capacity (Quarts)-4.97 US quarts
Dry Weight-316.2 kg / 697.0 lbs
Fuel Capacity16 Litres / 4.2 US gal 18.90 litres / 4.99 US gallons
Wet Weight345 kg / 760.5 lbs330.2 kg / 728.0 lbs
Performance
Max Power67 kW / 91 hp @ 4750 rpm-
Max Torque158 Nm / 116 lb-ft @ 3000 rpm161.4 Nm (16.5 kgf-m or 119.0 ft.lbs) @ 3000 Revolutions"
Power-to-Weight Ratio-0.2973 HP/kg
Engine
Fuel Control-Double Overhead Cams/Twin Cam (DOHC)
Bore x Stroke (in,)-4.0 x 4.5 inches
Engine Type-V2, four-stroke
Displacement (ci)-114.00 cubic inches
Displacement (cc)-1868.2 cc
CO2-116.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Bore x Stroke (mm)-102.0 x 114.3 mm
Displacement1802 cc / 110 cu-in -
Engine DetailFour stroke, two cylinder horizontally opposed Boxer, Pushrod-actuated OHV w/ two camshafts, 4 valves per cylinderMilwaukee-Eight® 114
Fuel System-Injection. Electronic Sequential Port Fuel Injection
Bore x Stroke107.1 X 100 mm-
Compression Ratio9.6:110.0:1
Cooling SystemAir/water cooled-
EmissionsClosed-loop 3-way catalytic converter, EU5 exhaust standard-
Engine ManagementBMS-O-
Exhaust-2-into-2 shorty dual; catalyst in muffler
Fuel Consumption-5.00 litres/100 km (20.0 km/l or 47.04 mpg)
Fuel InductionFuel injection, 48 mm Throttle valves-
Fuel TypePremium unleaded (95-98 RON)-
Intake / Outlet Valve Diameter41.2 x 35.0 mm-
LubricationWet sump-
StarterElectric, 1.5 kWElectric
EV Specifics
Battery Capacity12/26 V/Ah maintenance-free-
Drivetrain
ClutchHydraulically activated single-disc dry clutchMulti-plate with diaphragm spring in oil bath
Final DriveShaft, Final Drive 3.091Belt   (final drive)
Gear Ratios1st 2,438 / 2nd 1,696 / 3rd 1,296 / 4th 1,065 / 5th 0,903 / 6th 0,784-
Gearbox-6-speed
Primary Drive-Primary chain, 34/46 ratio
Primary Drive Ratios1.16-
Transmission / DriveConstant-mesh 6-speed-
Chassis
Frame TypeConstruction type Double-loop steel tube frame-
Suspension - Front49 mm Telescopic fork, Non-adjustableTelescopic fork
Suspension - RearCantilevered spring-preload adjustable shockTwin shocks
Rake32.7°30.0°
Steering Head Angle57.3°-
Trail150 mm / 5.9 in140 mm / 5.5 in.
Wheel Travel - Front120 mm / 4.7 in-
Wheel Travel - Rear80 mm / 3.5 in-
Electrical Systems
Alternator600W-
HeadlightLED low beam with projection module LED high beam with projection module-
Instrumentation-5-inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication
Lighting system-High beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings
Wheels & Brakes
Brakes - Front2X 300mm discsSingle disc. ABS. 4-piston fixed
Brakes - RearSingle 300mm discSingle disc. ABS. 2-piston floating.
ABSBMW Motorrad Integral ABS (part-integral)-
Rims-Gloss Black, Steel Laced
Tyres - Front120/70 R 19 or B 19 (manufacturer-dependent)130/90-B16
Tyres - Rear180/65 B 16-
WheelsSpoked-
Wheels - Front3.5 x 19-
Wheels - Rear5.0 x 16-

Verdict

Winner on specs

2021 BMW R 18

The 2021 BMW R 18 edges out the 2021 Harley-Davidson Heritage Classic 114 thanks to its liquid cooling and standard ABS. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2021 BMW R 18 - Advantages

  • Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
  • Standard ABS: A meaningful safety advantage in emergency braking on wet or loose surfaces.

2021 Harley-Davidson Heritage Classic 114 - Advantages

  • Lower seat height: 668 mm vs 690 mm - accessible to a wider range of rider heights.

2021 BMW R 18 vs 2021 Harley-Davidson Heritage Classic 114 - FAQs

What are the engine differences between the 2021 BMW R 18 and 2021 Harley-Davidson Heritage Classic 114?
The 2021 BMW R 18 uses Four stroke, two cylinder horizontally opposed Boxer, Pushrod-actuated OHV w/ two camshafts, 4 valves per cylinder, while the 2021 Harley-Davidson Heritage Classic 114 is powered by V2, four-stroke.
Which bike is better for shorter riders, the 2021 BMW R 18 or the 2021 Harley-Davidson Heritage Classic 114?
The 2021 Harley-Davidson Heritage Classic 114 has the lower seat at 668 mm, making it more accessible. The 2021 BMW R 18 sits higher at 690 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Does the 2021 BMW R 18 or 2021 Harley-Davidson Heritage Classic 114 have ABS?
The 2021 BMW R 18 is listed with ABS as standard. The 2021 Harley-Davidson Heritage Classic 114 does not list ABS. ABS provides a meaningful safety benefit in emergency braking on wet or loose surfaces.
Which should I buy, the 2021 BMW R 18 or the 2021 Harley-Davidson Heritage Classic 114?
Both are strong choices. The 2021 BMW R 18 has the edge in liquid cooling and standard ABS, while the 2021 Harley-Davidson Heritage Classic 114 stands out for lower seat height. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.