MotoSpecs

2007 Triumph Rocket III vs 2009 Suzuki Boulevard C109RT

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2007 Triumph Rocket III 2007 Triumph Rocket III

Custom / cruiser

Engine
Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder
Power
103.6 kW / 140 hp @ 5750 rpm
Top Speed
219.4 km/h / 136.3 mph
Weight
350 kg / 771.6 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
Year2006 - 072008-09
Make ModelTriumph Rocket IIISuzuki Boulevard C109RT
Dimensions
Seat Height740 mm / 29.1 in705 mm / 27.7 in
Wheelbase1695 mm / 66.7 in1755 mm / 68.3 in
Ground Clearance-135 mm / 5.3 in
Height1165 mm / 45.9 in-
Length2500 mm / 98.4 in2580 mm / 101.5 in
Width970 mm / 38.2 in985 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 Weight350 kg / 771.6 lbs408 kg / 900 lbs
Performance
Top Speed219.4 km/h / 136.3 mph-
Max Power103.6 kW / 140 hp @ 5750 rpm92 kW / 123 hp @ 6200 rpm
Max Torque200 Nm / 20.4 kgf-m / 147ft.lbf @ 2500 rpm160 Nm / 16.3 kgf-m / 118 lb.ft @ 3200 rpm
Standing Start ¼ Mile12.2 sec-
Engine
Displacement2294 cc / 140 cu in1786 cc / 108.8 cu. in
Engine DetailFour stroke, longitudinal three cylinder, DOHC, 4 valves per cylinderFour 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 Consumption6.4 L/100 km / 15.6 km/l / 36.7 US mpg / 44.1 Imp mpg-
Fuel Induction-EFI, 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
Transmission / Drive5 Speed 5 Speed
Chassis
Frame TypeTubular steel, twin spine-
Suspension - Front43 mm Upside down forksTelescopic, coil spring, oil damped
Suspension - RearChromed spring twin shocks with adjustable preloadLink type, coil spring, oil damped, adjustable spring preload
Rake32°-
Trail152mm / 6.0 in-
Wheels & Brakes
Brakes - Front2 x 320mm 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 - Rear240/50 V16240/55R16
Wheels - Front3.5 x 17, 5 spoke-
Wheels - Rear7.5 x 16, 5 spoke-

Verdict

Winner on specs

2007 Triumph Rocket III

The 2007 Triumph Rocket III edges out the 2009 Suzuki Boulevard C109RT thanks to its 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

2007 Triumph Rocket III - Advantages

  • Higher torque: 200 Nm vs 160 Nm - more pulling power across the rev range.
  • Lighter: 350 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 740 mm - accessible to a wider range of rider heights.
  • Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.

2007 Triumph Rocket III vs 2009 Suzuki Boulevard C109RT - FAQs

What are the engine differences between the 2007 Triumph Rocket III and 2009 Suzuki Boulevard C109RT?
The 2007 Triumph Rocket III 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 2007 Triumph Rocket III or the 2009 Suzuki Boulevard C109RT?
The 2007 Triumph Rocket III is lighter at 350 kg compared to 408 kg for the 2009 Suzuki Boulevard C109RT - a difference of 58 kg. This is a meaningful difference that affects handling and rider fatigue.
Which bike is better for shorter riders, the 2007 Triumph Rocket III or the 2009 Suzuki Boulevard C109RT?
The 2009 Suzuki Boulevard C109RT has the lower seat at 705 mm, making it more accessible. The 2007 Triumph Rocket III sits higher at 740 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 2007 Triumph Rocket III or the 2009 Suzuki Boulevard C109RT?
The 2007 Triumph Rocket III 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 2007 Triumph Rocket III or the 2009 Suzuki Boulevard C109RT?
Both are strong choices. The 2007 Triumph Rocket III has the edge in higher torque and lighter kerb weight, while the 2009 Suzuki Boulevard C109RT stands out for lower seat height and fuel injection. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.

Related Comparisons

All Triumph Rocket III years All Suzuki Boulevard C109RT years
Build your own comparison →