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Used Triumph Bonneville T120 prices

76 live listings · 2016–2026 · typically 5,287 miles

Typical price
£8,247
Price range
£5k – £13k
Best deal today
−£2,089
−31% vs fair value

Triumph Bonneville T120 fair value, from the live market

Price against mileage

all 140 live listings · model held at 2021 · typical error £430

  • Below fair value
  • Within the range
  • Above fair value
  • Cheap for a reason
  • Fair value
  • 10th–90th range
05k10k15k20k25k30k35k£0£2k£4k£6k£8k£10k£12kMILEAGE

Fair price calculator

Seen one elsewhere? Put its mileage and asking price in to see how it compares with this model’s market.

What a used Triumph Bonneville T120 is worth

Fair value by year and mileage, fitted on 76 live UK adverts (updated 4 October 2026). A fair deal sits near these numbers; a good one sits below.

Year~20,052 miles~37,235 miles
2026£10,249£10,249
2025£10,249£10,249
2024£10,249£10,249
2023£9,948£9,948
2022£8,495£8,495
2021£7,595£7,595
2020£7,500£7,500
2019£7,249£7,249
2018£6,990£6,990
2017£6,845£6,845

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