Intrepid Steadfast ProStreet vs Suzuki Boulevard M109R B.O.S.S. (2026)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Intrepid Steadfast ProStreetstacks up against the Suzuki Boulevard M109R B.O.S.S.. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecIntrepid Steadfast ProStreetSuzuki Boulevard M109R B.O.S.S.
Model year20102026
Price$15,500
Engine1754 cc1783 cc
Horsepower123 hp
Torque160 Nm
Weight347 kg
Seat height705 mm
Fuel capacity19.5 L
Fuel typepetrolpetrol
Transmission6-speed5-speed manual
Front brakesSingle disc. Performance Machine 4 Piston, optional BremboDual 310mm discs
Rear brakesSingle disc. Performance Machine 4 Piston, optional BremboSingle 275mm disc
Tires3.50-21 / 300/50-16 130/70-18 front, 240/40-18 rear

Intrepid Steadfast ProStreet vs Suzuki Boulevard M109R B.O.S.S. — which should you buy?

Picking between the Intrepid Steadfast ProStreet and the Suzuki Boulevard M109R B.O.S.S. usually comes down to the numbers you care about most. On paper, the Intrepid Steadfast ProStreet brings its published horsepower, while the Suzuki Boulevard M109R B.O.S.S. counters with 123 hp at 347 kg.

Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike: