1977 Triumph Bonneville T140

VIN: T140V 81258J
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For Sale
Oct 12, 2025
Bonhams
Staffordshire, GBR
1,557 mi
Manual
Center
Original & Highly Original
  • OVERVIEW
  • SPECS
  • COMPS (30)
  • TAXONOMY

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Market Summary

The Triumph Bonneville T140 (1973 to 1983) market. See Similar Markets

CMB $6,219
The CLASSIC.COM Market Benchmark (CMB) represents a benchmark value for vehicles in this market based on data accumulated by CLASSIC.COM. Actual market value for a specific vehicle will depend on various elements, including the condition of the vehicle.
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The T140 was introduced in 1973 as the second and last model of the 1st Gen Triumph Bonneville. It featured a 750cc parallel-twin engine des... Learn more.
There are 4 Triumph Bonneville - 1st Gen for sale across all model years (1959 to 1983) and variants, 3 are T140 and 2 are model year 1977 . There were 132 T140 sold in the last 5 years.

What's it Worth?

There are 30 comps for this 1977 Triumph Bonneville T140 indicating a price range from $5,950 - $11,792 .

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Comps

Comparable recent listings. See related attributes next to the score.

1977 Triumph Bonneville Silver Jubilee

Original & Highly Original
6865 mi 3k mi
Manual transmission Manual
LHD steering Center
Sold
£6,325
Mar 26, 2025
100% Relevance
Relevance Score Criteria

Model
Year
Make
Model Family
Model Generation
Model Variant
Model Trim
Powertrain
Engine
Transmission Type
Drive Type
Mileage
  • 773 - 3K
Body
Vehicle Type
Body Style
Doors
Driver Side
Ext. Color Group
Int. Color Group
Other Details
Originality
Location
Recency

1982 Triumph Bonneville Royal Wedding

Original & Highly Original
6865 mi 3k mi
Manual transmission Manual
LHD steering Center
Sold
£8,740
Mar 26, 2025
94% Relevance
Relevance Score Criteria

Model
Year
Make
Model Family
Model Generation
Model Variant
Model Trim
Powertrain
Engine
Transmission Type
Drive Type
Mileage
  • 773 - 3K
Body
Vehicle Type
Body Style
Doors
Driver Side
Ext. Color Group
Int. Color Group
Other Details
Originality
Location
Recency

1975 Triumph Bonneville T140V

Original & Highly Original
6865 mi 3k mi
Manual transmission Manual
LHD steering Center
Sold
£4,370
Mar 26, 2025
92% Relevance
Relevance Score Criteria

Model
Year
Make
Model Family
Model Generation
Model Variant
Model Trim
Powertrain
Engine
Transmission Type
Drive Type
Mileage
  • 773 - 3K
Body
Vehicle Type
Body Style
Doors
Driver Side
Ext. Color Group
Int. Color Group
Other Details
Originality
Location
Recency

Specs

Details about this vehicle - curated by our market specialists.

Year
1977
Model Family
Model Generation
Model Variant
T140
Model Trim
-
Engine
744cc I2
Transmission
Manual
Drive Type
Rear Wheel Drive (RWD)
Originality
Original & Highly Original
Mileage
1,557 mi
VIN
T140V 81258J
Vehicle Type
Motorcycle
Body Style
N/A
Doors
N/A
Driver Side
Center Drive
Ext. Color Group
Gray
Int. Color Group
Black

Taxonomy

Markets related to the Triumph Bonneville T140.

Triumph Bonneville
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directions_car T140
directions_car 2nd Gen
directions_car 3rd Gen