1965 Triumph Bonneville T120R Roadster

Specifications
- Category
- Sport
- Displacement
- 649.0 ccm (39.60 cubic inches)
- Power
- 46.0 HP (33.6 kW) @ 6500 RPM
- Top speed
- 185.0 km/h (115.0 mph)
The 1965 Triumph Bonneville T120R Roadster
1965 Triumph Bonneville T120R Roadster sits right at the top of Triumph's sport lineup, the fastest and most desirable production twin the factory built that year. This is a machine meant to be ridden hard on open roads, not admired from a garage corner. The parallel-twin engine pulls with real urgency through the midrange, and the whole package feels light and eager compared to the big British and American singles and twins it competed against. Handling is direct and communicative in a way that rewards a rider who wants feedback from the road rather than isolation from it. Expect a bike that demands mechanical sympathy and regular attention, but gives back plenty in return.
The 1965 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1964 example should focus on mileage, service history, and condition rather than spec differences.
Today's buyer is usually a seasoned collector or a long-time British bike rider looking to own a genuine piece of Triumph's performance history rather than a casual commuter. Given strong collector interest, well-documented, matching-numbers examples of the 1965 Triumph Bonneville T120R Roadster command serious attention at auction.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| Jul 21, 2026 | 1965 Triumph Bonneville T120C Competition Sports | $8,000 | — | Bring a Trailer |
| Mar 23, 2026 | 1965 Triumph Bonneville T120R | $8,700 | — | Bring a Trailer |
| Nov 17, 2023 | 1965 Triumph Bonneville T120 | $4,700 | — | Bring a Trailer |
| Jul 27, 2022 | 1965 Triumph Bonneville T120R | $9,600 | — | Bring a Trailer |
| Aug 21, 2021 | 1965 Triumph Bonneville T120R | $12,350 | — | Bring a Trailer |
