How much is a Trek Madone Sl6 worth?

Trek Madone Sl6 price guide 2026

The used Trek Madone Sl6 has a current Cyclesite fair-value range of £2,050 to £3,550, 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. That's approximately £927 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 valuation: common questions

How much is a used Trek Madone Sl6 worth?

A used Trek Madone Sl6 is typically worth around £2,650, with most prices between £2,050 and £3,550. It is built from real Cyclesite UK market data. The market is currently stable.

Is it better to sell a Trek Madone Sl6 privately or trade it in?

Bike shops typically offer 60-70% of the private-sale value for a Trek Madone Sl6, around £927 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 prices based on real sales?

These figures come from 17 real Trek Madone Sl6 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?

You can browse live Trek Madone Sl6 listings and advertise your own on Cyclesite. Every listing with a frame number is checked against UK stolen-bike databases before it goes live, and the listing fee is shown upfront before you publish.