Triumph · 1959–1960
Triumph T120 Bonneville
4 recorded sales across the production run — pick a year for specs and full auction history.
Average sale
$12,913
Low
$5,400
High
$20,000
Sales
4
Related Triumph models
1967 · Triumph
T120R Bonneville
Avg Sale
$10,099 · 17 sales
1970–1972 · Triumph
T 120 R Bonneville 650
Avg Sale
$5,865 · 13 sales
1972–1973 · Triumph
T 120 V Bonneville 650
Avg Sale
$5,258 · 6 sales
1962 · Triumph
T120 C Bonneville
Avg Sale
$8,500 · 1 sales
1976–1979 · Triumph
T 140 V Bonneville
Avg Sale
$5,913 · 31 sales
1980–1981 · Triumph
T 140 E Bonneville
Avg Sale
$5,278 · 9 sales
Free download
Triumph T120 Bonneville auction report
A 4-sale PDF with every documented auction result, a valuation range, price analysis and model notes. Data current as of 2025-08-15.