Triumph
Comet
Classic
What should you pay for a Comet?
See typical prices, price changes and important differences.
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Also worth considering
Models in the same category and price range to consider alongside the Comet.
About the Triumph Comet
Triumph Comet is a classic model name used across more than one period and technical version. Many adverts refer to a post-war single-cylinder Triumph, but the name, year and engine variant must always be confirmed through the frame number, engine code and documentation. A Comet should therefore not automatically be assigned one fixed capacity, output or generation; restoration work or conversions may also obscure its original identity.
For a buyer, engine, gearbox and paperwork condition matter more than an advert title. A good Comet starts cold without excessive mechanical noise, has healthy oil pressure and shows no hastily modified electrical system. Assess the quality of all restoration work, the availability of correct parts and whether frame and engine codes match the claimed year. This prevents a composite classic Triumph from being bought as an original factory specification.
- Category
- Classic
What to check before buying
- Check the frame number, engine number and registration document together; Comet is a broad historic name and needs type evidence for each motorcycle.
- Assess cold starting, compression, oil pressure and leaks around the engine, primary drive and gearbox, and ask for rebuild invoices.
- Inspect wiring, charging output, brakes and wheels for age, non-original repairs and the availability of correct parts.









