✦ published
Leonhardt Gunbus 410
2014 · Sport
2014 · Sport
The 2014 Leonhardt Gunbus 410 is a motorcycle that defies conventional categorization, emerging as a singular creation rather than a direct evolution of a lineage. This bespoke machine, conceived by Leonhardt Manufacturing, stands in a league of its own, with virtually no direct predecessors or successors in mainstream production. While it shares the "Sport" category label, its sheer scale and unique engineering place it far outside the typical competitive landscape. If we were to draw an extremely loose comparison based purely on its monumental presence and custom nature, one might consider it a more extreme, one-off alternative to highly specialized, large-displacement custom cruisers or concept bikes, rather than a mass-produced competitor like a Ducati Diavel or a Yamaha VMAX, which operate on a different scale entirely.
At the heart of the Gunbus 410 is its colossal engine, boasting an displacement of 6728.00 ccm (410.54 cubic inches). This massive powerplant features a distinctive 45° cylinder angle, designed to produce an extraordinary amount of power and, more notably, torque. Riders will experience a staggering 710.00 Nm (72.4 kgf-m or 523.7 ft.lbs) of torque arriving at a remarkably low 1900 RPM. This immense power output is harnessed by a machine with a dry weight of 650.0 kg (1,433.0 pounds), making it one of the heaviest motorcycles ever produced. Such figures highlight a motorcycle built for raw, unadulterated grunt rather than nimble agility, emphasizing its unique engineering approach.
Despite being classified as a Sport category motorcycle, the Gunbus 410’s riding characteristics are far removed from the track-focused ergonomics typically associated with sportbikes. The substantial weight and considerable dimensions mean that quick direction changes and aggressive lean angles are not its forte. Instead, the focus is likely on straight-line stability and an imposing road presence. The seat height, at 800 mm (31.5 inches) if adjustable at its lowest setting, suggests a commanding riding position, though the sheer width of the machine would undoubtedly influence rider comfort and reach. While sportbikes often feature rearset pegs for aggressive cornering, the Gunbus’s design prioritizes accommodating its massive engine and overall scale.
The Leonhardt Gunbus 410 is clearly aimed at a very specific and exclusive audience: collectors, enthusiasts of extreme engineering, and those who desire a motorcycle that is truly one-of-a-kind. It is not a machine for the everyday commute or for riders seeking a conventional sportbike experience. Its immense size, weight, and power figures make it a statement piece, a testament to what is possible when conventional design constraints are set aside. The Gunbus 410 is less about practical riding and more about the sheer spectacle and engineering marvel of its existence, offering an unparalleled experience for those privileged enough to encounter it.
✅ Why buy this bike?
⚠️ Things to consider
⚖️ Comparison & Competition
Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
Estimated average for 6728cc class: 28-40 mpg (6.0-9.0 L/100km)
Insurance grouping for Leonhardt Gunbus 410 (6728cc):
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