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Used Triumph Bonneville T120 prices

83 live listings · 2016–2026 · typically 5,120 miles

Typical price
£8,395
Price range
£5k – £13k
Best deal today
−£2,190
−32% vs fair value

Triumph Bonneville T120 fair value, from the live market

Price against mileage

all 129 live listings · model held at 2021 · typical error £442

  • 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 83 live UK adverts (updated 24 September 2026). A fair deal sits near these numbers; a good one sits below.

Year~20,054 miles~37,235 miles
2026£10,295£10,295
2025£10,295£10,295
2024£10,295£10,295
2023£9,795£9,795
2022£8,750£8,750
2021£8,295£8,295
2020£7,295£7,295
2019£6,995£6,995
2018£6,990£6,990
2017£6,890£6,890

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