2018 Triumph Bonneville Speedmaster vs 2019 Harley-Davidson Sportster Iron 883

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2018 Triumph Bonneville Speedmaster 2018 Triumph Bonneville Speedmaster

Custom / cruiser

Engine
Four stoke, parallel twin, 270o crank, SOHC
Power
57.4 kW / 77 hp @ 6550 rpm
Top Speed
N/A
Weight
245.5kg / 540 lbs
2019 Harley-Davidson Sportster Iron 883 2019 Harley-Davidson Sportster Iron 883

Custom / cruiser

Engine
V2, four-stroke
Power
N/A
Top Speed
N/A
Weight
564.4 pounds
Full Specifications
General
Year2018-
Colours-Black Denim, Industrial Gray, Wicked Red, Rawhide Denim, Rugged Gold Denim, Silver Flux/Black Fuse
Make ModelTriumph Bonneville Speedmaster-
Dimensions
Ground Clearance (mm)-140 mm
Ground Clearance (in.)-5.5 inches
Seat Height705 mm / 27.7 in653 mm / 25.7 in.
Wheelbase-1515 mm / 59.6 in.
Length-2185 mm / 86.0 in.
Weights & Capacities
Oil Capacity (l)-2.60 litres
Oil Capacity (Quarts)-2.75 US quarts
Dry Weight245.5kg / 540 lbs247 kg / 544.5 lbs
Fuel Capacity12 Litres / 3.17 US gal12.50 litres / 3.30 US gallons
Wet Weight-256.0 kg / 564.4 lbs
Performance
Max Power57.4 kW / 77 hp @ 6550 rpm-
Max Torque106 Nm / 10.7 kgf-m / 77.4 lb-ft @ 3100 rpm73.0 Nm (7.4 kgf-m or 53.8 ft.lbs) @ 3750 Revolutions"
Power-to-Weight Ratio-0.2065 HP/kg
Engine
Bore x Stroke (in,)-3.0 x 3.8 inches
Bore x Stroke (mm)-76.2 x 96.8 mm
Displacement (ci)-53.88 cubic inches
Engine Type-V2, four-stroke
Displacement (cc)-883.0 cc
CO2-111.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Displacement1198 cc / 73.1 cu in-
Engine DetailFour stoke, parallel twin, 270o crank, SOHCAir-cooled, Evolution®
Fuel System-Injection. Electronic Sequential Port Fuel Injection (ESPFI)
Bore x Stroke97.6 x 80 mm-
Compression Ratio10.0:19.0:1
Cooling SystemLiquid cooled-
Engine Lubrication-Dry sump
ExhaustStraight line stainless steel twin-skin slash cut twin stubby silencersBlack exhaust headers and black mufflers
Fuel Consumption-4.80 litres/100 km (20.8 km/l or 49.00 mpg)
Fuel InductionMultipoint sequential electronic fuel injection-
IgnitionDigital-
LubricationWet sump-
Starter-Electric
Drivetrain
ClutchWet, multi-plateMulti-plate with diaphragm spring in oil bath
Final DriveChain, X-ringBelt   (final drive)
Gearbox-6-speed
Transmission / Drive6-Speed-
Chassis
Frame TypeDual tubular steel cradle-
Suspension - Front41 mm Kayaba forkTelescopic fork
Suspension - RearKayaba twin shocks with adjustable preloadTwin shocks.
Rake-30.0°
Trail-117 mm / 4.6 in.
Wheel Travel - Front90 mm / 3.5 in-
Wheel Travel - Rear73 mm / 2.8 in-
Electrical Systems
Instrumentation-Handlebar-mounted electronic speedometer with odometer, time-of-day clock, dual tripmeter, low fuel warning light, low oil pressure light, engine diagnostics readout, LED indicator lights
Lighting system-High beam, neutral, low oil pressure, turn signals, engine diagnostics, low fuel warning, low battery, security system (optional)
Wheels & Brakes
Brakes - Front2 x 310 mm Disc, 2 piston calipers, ABSSingle disc. Optional ABS, dual piston
Brakes - RearSingle 255 mm disc, 2 piston caliper, ABSSingle disc. Optional ABS, dual piston
Rims-Black 9 Spoke with Machined Highlights
Tyres - Front130/90-16100/90-B19
Tyres - Rear150/80-16-
WheelsWire 32-spoke, steel rims-

Verdict

Winner on specs

2018 Triumph Bonneville Speedmaster

The 2018 Triumph Bonneville Speedmaster edges out the 2019 Harley-Davidson Sportster Iron 883 thanks to its liquid cooling and dual front discs. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2018 Triumph Bonneville Speedmaster - Advantages

  • Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
  • Dual front discs: Greater stopping power and better heat management under hard braking.

2019 Harley-Davidson Sportster Iron 883 - Advantages

  • Lower seat height: 653 mm vs 705 mm - accessible to a wider range of rider heights.

2018 Triumph Bonneville Speedmaster vs 2019 Harley-Davidson Sportster Iron 883 - FAQs

What are the engine differences between the 2018 Triumph Bonneville Speedmaster and 2019 Harley-Davidson Sportster Iron 883?
The 2018 Triumph Bonneville Speedmaster uses Four stoke, parallel twin, 270o crank, SOHC, while the 2019 Harley-Davidson Sportster Iron 883 is powered by V2, four-stroke.
Which bike is better for shorter riders, the 2018 Triumph Bonneville Speedmaster or the 2019 Harley-Davidson Sportster Iron 883?
The 2019 Harley-Davidson Sportster Iron 883 has the lower seat at 653 mm, making it more accessible. The 2018 Triumph Bonneville Speedmaster sits higher at 705 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2018 Triumph Bonneville Speedmaster or the 2019 Harley-Davidson Sportster Iron 883?
Both are strong choices. The 2018 Triumph Bonneville Speedmaster has the edge in liquid cooling and dual front discs, while the 2019 Harley-Davidson Sportster Iron 883 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.