2005 Triumph Rocket III

Specifications
- Category
- Custom / cruiser
- Displacement
- 2294.0 ccm (139.98 cubic inches)
- Power
- 142.0 HP (103.6 kW) @ 5750 RPM
- Torque
- 200.0 Nm (20.4 kgf-m or 147.5 ft.lbs) @ 2500 RPM
The 2005 Triumph Rocket III
2005 Triumph Rocket III arrived as the biggest, most brute-force cruiser Triumph had ever built, sitting at the very top of the lineup with nothing above it. This is a motorcycle built around a triple-cylinder engine so large it borders on absurd, and that displacement translates into torque that arrives almost immediately off idle, making the bike feel like it's shoving the horizon toward you rather than accelerating into it. Riding one isn't about corner-carving finesse; it's about straight-line authority, long highway stretches, and the kind of low-RPM shove that makes overtaking effortless. It's a heavy, physical machine that rewards riders who respect its mass and plan their moves accordingly. The 2005 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 2004 example should focus on mileage, service history, and condition rather than spec differences. The 2005 Triumph Rocket III tends to attract riders coming from big American V-twins who want something with a different character and a bit more mechanical novelty. Collector interest remains moderate, driven mostly by the engine's sheer unconventional scale rather than rarity, making well-maintained examples worth seeking out.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| Jul 11, 2026 | 2005 Triumph Rocket 3 | $4,100 | — | Bring a Trailer |
| Nov 24, 2025 | 2005 Triumph Rocket 3 | $3,020 | — | Bring a Trailer |
