How much is a Trek Madone Sl6 Gen 8 worth?
A used Trek Madone Sl6 Gen 8 is typically worth £2,800 (£2,450 to £3,050). Here is how that breaks down by model year and condition.
Cyclesite fair value range
£2,800
Range: £2,450 to £3,050
New, shops listed this model at about £4,250. Today's fair value holds 66% of that.
From 4 used-market listings quoting an original price.
Trade-in vs private sale
Market trend
Stable
Data points
14
Season
Normal seasonal demand
What a Trek Madone Sl6 Gen 8 sells for, by model year
Median asking price for each model year, measured from 14 real UK Trek Madone Sl6 Gen 8 listings. These are last-advertised asking prices, not confirmed sale prices.
| Model year | Typical asking price | Relative to newest | Listings |
|---|---|---|---|
| 2025 | £3,100 | 4 | |
| 2024 | £2,400 | 5 |
Source: Cyclesite UK listings data, refreshed continuously. Median of asking prices per model year; years with fewer than four listings are omitted as too thin to publish.
Value by condition
Like new, minimal signs of use
Normal wear, fully functional
Visible wear, may need minor work
Significant wear, needs repairs
Get your exact Trek Madone Sl6 Gen 8 valuation
Prices vary by year, specification, and condition. Enter your exact bike details for a personalised valuation.
Get free valuationTrek Madone Sl6 Gen 8 price guide 2026
The used Trek Madone Sl6 Gen 8 has a current Cyclesite fair-value range of £2,450 to £3,050, built from real Cyclesite UK market data. The market trend is currently stable.
Should you sell privately or trade in?
Bike shops typically offer 60-70% of the private sale value for a Trek Madone Sl6 Gen 8. That's approximately £980 less than selling privately on Cyclesite. While a trade-in is faster, selling privately keeps more money in your pocket. Read our full breakdown of why shops pay less and how to maximise your return.
Trek Madone Sl6 Gen 8 valuation: common questions
- How much is a used Trek Madone Sl6 Gen 8 worth?
- A used Trek Madone Sl6 Gen 8 is typically worth around £2,800, with most prices between £2,450 and £3,050. It is built from real Cyclesite UK market data. The market is currently stable.
- Is it better to sell a Trek Madone Sl6 Gen 8 privately or trade it in?
- Bike shops typically offer 60-70% of the private-sale value for a Trek Madone Sl6 Gen 8, around £980 less than selling privately. A trade-in is faster, but selling privately on Cyclesite keeps more of the value in your pocket.
- Are these Trek Madone Sl6 Gen 8 prices based on real sales?
- These figures come from 14 real Trek Madone Sl6 Gen 8 listings on the UK used market. They are last-advertised asking prices rather than confirmed sale prices, the most complete and current signal available for a model at this volume.
- Where can I buy or sell a used Trek Madone Sl6 Gen 8?
- You can browse live Trek Madone Sl6 Gen 8 listings and advertise your own on Cyclesite. Every listing with a frame number is checked against a stolen-bike registry and rider-filed theft reports before it goes live, and the listing fee is shown upfront before you publish.