Harley-Davidson Street Bob Dark Custom vs Triumph Thunderbird Commander (2019)

Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson Street Bob Dark Customstacks up against the Triumph Thunderbird Commander. Numbers pulled from manufacturer spec sheets — click either bike for the full review.

Spec comparison

SpecHarley-Davidson Street Bob Dark CustomTriumph Thunderbird Commander
Model year20142019
Price$13,349
Engine1690 cc1699 cc
Horsepower94 hp
Torque125 Nm151 Nm
Weight290 kg317 kg
Seat height26 mm28 mm
Fuel capacity4.7 L5.8 L
Fuel typepetrolpetrol
Transmission6-speed6-speed
Front brakesSingle disc. 4-piston fixed Double disc. Nissin 4-piston fixed calipers. ABS.
Rear brakesSingle disc. 2-piston torque-free floatingSingle disc. Brembo 2-piston floating caliper. ABS
Tires100/90-19 / 160/70-17 140/75-R17 / 200/50-R17

Harley-Davidson Street Bob Dark Custom vs Triumph Thunderbird Commander — which should you buy?

Picking between the Harley-Davidson Street Bob Dark Custom and the Triumph Thunderbird Commander usually comes down to the numbers you care about most. On paper, the Harley-Davidson Street Bob Dark Custom brings its published horsepower in a 290 kg package, while the Triumph Thunderbird Commander counters with 94 hp at 317 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: