1979 Triumph T 140 V Bonneville

Specifications
- Category
- Classic
- Displacement
- 744.0 ccm (45.40 cubic inches)
- Power
- 49.0 HP (35.8 kW) @ 6500 RPM
- Top speed
- 177.0 km/h (110.0 mph)
The 1979 Triumph T 140 V Bonneville
1979 Triumph T 140 V Bonneville sits at the heart of Triumph's parallel-twin range during a period when the factory was fighting to stay relevant against faster, more refined Japanese machinery. This is a proper British twin, built around a pushrod engine that rewards mechanical sympathy over outright speed. You feel the vibration through the pegs and bars, hear the exhaust bark on the overrun, and manage a five-speed gearbox that demands deliberate shifts rather than lazy clicks. It's a bike that asks you to ride it, not just sit on it, and that engagement is exactly why people still seek one out decades later. The 1979 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1978 example should focus on mileage, service history, and condition rather than spec differences. Today's buyer is typically a rider who grew up around British bikes or wants the ownership experience their father or an older friend had, alongside collectors treating a clean 1979 Triumph T 140 V Bonneville as a tangible piece of Triumph's late-1970s survival story. Condition and originality matter more than mileage here.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| May 10, 2023 | 1979 Triumph Bonneville T140E | $3,100 | — | Bring a Trailer |
| Apr 9, 2021 | 1979 Triumph Bonneville T140 | $6,700 | — | Bring a Trailer |
| Apr 5, 2021 | 1979 Triumph Bonneville T140 | $4,500 | — | Bring a Trailer |
| Nov 23, 2020 | 1979 Triumph Bonneville T140 | $4,600 | — | Bring a Trailer |
| May 8, 2020 | 1979 Triumph Bonneville T140 | $5,200 | — | Bring a Trailer |
