MotoSpecs

2010 Triumph Rocket III Roadster vs 2009 Suzuki Boulevard C109RT

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2010 Triumph Rocket III Roadster 2010 Triumph Rocket III Roadster

Custom / cruiser

Engine
Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.
Power
109 kW 146 hp @ 5750rpm
Top Speed
N/A
Weight
367 kg / 807 lbs
2009 Suzuki Boulevard C109RT 2009 Suzuki Boulevard C109RT

Custom / cruiser

Engine
Four stroke, 54° V-Twin
Power
92 kW / 123 hp @ 6200 rpm
Top Speed
N/A
Weight
408 kg / 900 lbs
Full Specifications
General
Year20102008-09
Make ModelTriumph Rocket III RoadsterSuzuki Boulevard C109RT
Dimensions
Seat Height750 mm / 29.5 in705 mm / 27.7 in
Wheelbase1695 mm / 66.7 in1755 mm / 68.3 in
Ground Clearance-135 mm / 5.3 in
Height1165 mm / 45.8 in-
Length2500 mm / 98.3 in2580 mm / 101.5 in
Width970 mm / 38.2 in (Handlebars)985 mm / 38.7 in
Weights & Capacities
Dry Weight320 kg / 704 lbs-
Fuel Capacity24 Litres / 6.3 US gal / 5.3 Imp gal19 L / 5.0 US gal
Wet Weight367 kg / 807 lbs408 kg / 900 lbs
Performance
Max Power109 kW 146 hp @ 5750rpm92 kW / 123 hp @ 6200 rpm
Max Torque221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm160 Nm / 16.3 kgf-m / 118 lb.ft @ 3200 rpm
Engine
Displacement2294 cc / 140 cu in1786 cc / 108.8 cu. in
Engine DetailFour stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.Four stroke, 54° V-Twin
Bore x Stroke101.6 x 94.3 mm112 x 90.5mm
Compression Ratio8.7:110.5:1
Cooling SystemLiquid cooledLiquid cooled
Fuel InductionMultipoint sequential electronic fuel injectionEFI, 2 x 56 mm throttle bodies
IgnitionDigital inductive type via electronic engine management Electronic ignition (Transistorised)
Lubrication-Semi-dry sump
StarterElectricElectric
Drivetrain
ClutchWet, multi-plateWet multi-plate type
Final DriveShaftShaft
Gear Ratios1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28-
Transmission / Drive5 Speed, constant mesh5 Speed
Chassis
Frame TypeTubular steel, twin spine-
Suspension - FrontKayaba 43 mm upside down forksTelescopic, coil spring, oil damped
Suspension - RearKayaba black spring twin shocks with 5 position adjustable preloadLink type, coil spring, oil damped, adjustable spring preload
Rake32°-
Trail148 mm / 5.8 in-
Wheel Travel - Front120 mm / 4.7 in-
Wheel Travel - Rear105 mm / 4.1 in-
Wheels & Brakes
Brakes - Front2 x 320 mm Discs, 4 piston calipers2 x 310 mm discs, 2 piston calipers
Brakes - RearSingle 316 mm disc, 2 piston caliperSingle 274mm disc, 2 piston caliper
Tyres - Front150/80 V17150/80R16
Tyres - Rear250/50 V16240/55R16
Wheels - FrontAlloy 5-spoke, 17 x 3.5in-
Wheels - RearAlloy 5-spoke, 16 x 7.5in-

Verdict

Winner on specs

2010 Triumph Rocket III Roadster

The 2010 Triumph Rocket III Roadster edges out the 2009 Suzuki Boulevard C109RT thanks to its more peak power, higher torque, lighter kerb weight, larger fuel tank and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2010 Triumph Rocket III Roadster - Advantages

  • More power: Produces 109 kW 146 hp @ 5750rpm vs 92 kW - a meaningful performance advantage.
  • Higher torque: 221Nm vs 160 Nm - more pulling power across the rev range.
  • Lighter: 367 kg vs 408 kg - easier to handle and less fatiguing on long trips.
  • Larger fuel tank: More range between stops - an advantage on touring routes and remote roads.
  • Larger displacement: 2294 cc vs 1786 cc - more cubic capacity means broader torque delivery and greater low-end pull.

2009 Suzuki Boulevard C109RT - Advantages

  • Lower seat height: 705 mm vs 750 mm - accessible to a wider range of rider heights.

2010 Triumph Rocket III Roadster vs 2009 Suzuki Boulevard C109RT - FAQs

What are the engine differences between the 2010 Triumph Rocket III Roadster and 2009 Suzuki Boulevard C109RT?
The 2010 Triumph Rocket III Roadster uses Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder., while the 2009 Suzuki Boulevard C109RT is powered by Four stroke, 54° V-Twin.
Which is lighter, the 2010 Triumph Rocket III Roadster or the 2009 Suzuki Boulevard C109RT?
The 2010 Triumph Rocket III Roadster is lighter at 367 kg compared to 408 kg for the 2009 Suzuki Boulevard C109RT - a difference of 41 kg. This is a meaningful difference that affects handling and rider fatigue.
Which has more power, the 2010 Triumph Rocket III Roadster or the 2009 Suzuki Boulevard C109RT?
The 2010 Triumph Rocket III Roadster produces more peak power at 109 kW 146 hp @ 5750rpm, compared to 92 kW for the 2009 Suzuki Boulevard C109RT.
Which bike is better for shorter riders, the 2010 Triumph Rocket III Roadster or the 2009 Suzuki Boulevard C109RT?
The 2009 Suzuki Boulevard C109RT has the lower seat at 705 mm, making it more accessible. The 2010 Triumph Rocket III Roadster sits higher at 750 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which has the larger fuel tank, the 2010 Triumph Rocket III Roadster or the 2009 Suzuki Boulevard C109RT?
The 2010 Triumph Rocket III Roadster has the larger tank at approximately 24 litres vs 19 litres for the 2009 Suzuki Boulevard C109RT. At 5-6 l/100 km that is roughly 400-480 km vs 316-380 km between stops.
Which should I buy, the 2010 Triumph Rocket III Roadster or the 2009 Suzuki Boulevard C109RT?
Both are strong choices. The 2010 Triumph Rocket III Roadster has the edge in more peak power and higher torque, while the 2009 Suzuki Boulevard C109RT 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.

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