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Six-cylinder motorcycles are rare, but they span two distinct worlds: today’s large luxury tourers and memorable classics. This is a curated selection, not a statistical ranking or an exhaustive list—and it is not a list of ten new-bike options. Five entries are variants in BMW’s K 1600 family; the others represent different designs and eras. Compare them by engine layout, purpose and availability rather than by a single “best” score.
Current six-cylinder motorcycles
1. Honda Gold Wing Tour
The current Gold Wing Tour is a luxury tourer powered by a horizontally opposed, water-cooled six-cylinder engine. In Honda’s 2026 announcement for Japan, the engine is listed at 1,833 cc, with output of 126 PS at 5,500 rpm and torque of 170 N·m at 4,500 rpm. These are Japan-market figures and should not be assumed to describe every regional specification. Honda’s 2026 Japan-market announcement gives the specifications.
The Gold Wing’s present layout has a long lineage: Honda says the 2018 redesign retained the horizontally opposed six-cylinder engine, with a six-speed manual transmission and an optional seven-speed dual-clutch transmission for the Tour. Honda’s model history documents that update.
2. BMW K 1600 GT
The GT is the sport-oriented member of BMW’s K 1600 touring family. BMW described it as the more agile, dynamic option when it announced updates to the family in 2021. It uses the family’s inline-six concept; BMW’s technology overview discusses that engine in the GT and GTL. BMW’s 2021 family announcement explains the variants and their intended roles.
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3. BMW K 1600 GTL
The GTL puts comfort and touring equipment ahead of the GT’s more dynamic emphasis. BMW’s 2021 announcement identifies a standard top case as part of its comfort-focused positioning. Like the GT, it belongs to the K 1600 inline-six family rather than representing a separate engine architecture.
4. BMW K 1600 B
The B is the bagger-shaped K 1600: a six-cylinder touring motorcycle with a lower, more cruiser-influenced profile. BMW Motorrad USA lists an oil/water-cooled 1,649 cc inline-six producing 160 hp at 6,750 rpm and 132.7 lb-ft at 5,250 rpm. Those are the figures on BMW’s US technical-data page, which does not display a publication year. BMW Motorrad USA’s K 1600 B technical data also notes Original BMW Motorrad Accessories and optional equipment.
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5. BMW K 1600 Grand America
The Grand America rounds out the four K 1600 variants covered in BMW’s 2021 announcement. It is the family’s touring-and-cruising-oriented option, distinct in role from the GT’s dynamic emphasis, the GTL’s comfort focus and the B’s bagger form. BMW’s announcement establishes these family roles; it is not a current price list.
Classic and historically notable six-cylinder motorcycles
The following five models are frequently associated with the history of six-cylinder road bikes. The available official source material here does not establish their exact production years, outputs or detailed variant histories, so they are identified by model and broad significance rather than by unsupported specifications.
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6. Benelli Sei
The Benelli Sei is a landmark name among classic six-cylinder motorcycles, representing the inline-six approach in a road-bike format. Its place on a historical shortlist is notable in itself; claims about exact production dates, output or “first” status require model-specific documentation.
7. Honda CBX
The Honda CBX is another emblematic classic inline-six. It demonstrates how a six-cylinder layout could be applied to a more sporting road motorcycle rather than only a large touring machine. Exact model-year and performance comparisons depend on the specific version and a reliable source for it.
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8. Kawasaki Z1300
The Kawasaki Z1300 is a major classic six-cylinder road-bike name, often discussed alongside the CBX. It belongs in a survey of the format’s historical breadth, but figures such as output, production totals or a superlative ranking should not be inferred without dependable model-specific records.
9. Kawasaki Voyager
The Voyager is associated with the Z1300 six-cylinder platform and represents the move toward full-dress touring. The relationship and equipment can vary by version; the available support does not establish a precise chronology or a single specification to apply to every Voyager.
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10. Honda Valkyrie
The Valkyrie is a Gold Wing-derived six-cylinder cruiser candidate, showing how Honda’s large flat-six concept could be used in a more cruiser-oriented package. Its exact generations and specifications are not detailed here, so check the individual year and market before comparing examples or parts.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why six-cylinder layouts suit some motorcycles
A six-cylinder engine can deliver the character and smoothness that suit a large, long-distance motorcycle, but it generally brings greater size and complexity than a simpler engine configuration. The models here show two different layouts: Honda’s horizontally opposed flat-six in the Gold Wing and BMW’s inline-six in the K 1600 family. Those designs should not be treated as interchangeable, and figures from different markets or model years are not direct performance comparisons.
Quick Recap
How to choose among them
- For a current luxury tourer: start with the Honda Gold Wing Tour or BMW K 1600 GTL, then compare regional specifications, transmission and equipment.
- For a more dynamic touring emphasis: consider the BMW K 1600 GT, as BMW positions it as the agile, dynamic family variant.
- For bagger styling: the K 1600 B is the clearest match in this selection.
- For classic ownership: investigate the exact year, market, parts availability and condition of a Benelli Sei, Honda CBX, Kawasaki Z1300, Voyager or Valkyrie before treating model-wide specifications as applicable.
- For any used example: confirm the specific version and its service history; a model name alone does not establish equipment, fitment or condition.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
