How much is a Trek Slash 9 worth?

A used Trek Slash 9 is typically worth £2,550 (£2,300 to £3,400). Here is how that breaks down by model year and condition.

Cyclesite fair value range

£2,550

Range: £2,300 to £3,400

£2,300£3,400

Trade-in vs private sale

Shop trade-in£1,658
Private sale£2,550
You keep extra£892 (54%)
Why shops pay less →

Data points

20

Value by condition

Excellent
£2,550
£2,300 to £3,400

Like new, minimal signs of use

Good
£2,168
£1,955 to £2,890

Normal wear, fully functional

Fair
£1,658
£1,495 to £2,210

Visible wear, may need minor work

Poor
£1,020
£920 to £1,360

Significant wear, needs repairs

Get your exact Trek Slash 9 valuation

Prices vary by year, specification, and condition. Enter your exact bike details for a personalised valuation.

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Trek Slash 9 price guide 2026

The used Trek Slash 9 has a current Cyclesite fair-value range of £2,300 to £3,400, built from real Cyclesite UK market data.

Should you sell privately or trade in?

Bike shops typically offer 65% to 75% of the private sale value for a Trek Slash 9. That's approximately £892 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 Slash 9 valuation: common questions

How much is a used Trek Slash 9 worth?
A used Trek Slash 9 is typically worth around £2,550, with most prices between £2,300 and £3,400. It is built from real Cyclesite UK market data.
Is it better to sell a Trek Slash 9 privately or trade it in?
Bike shops typically offer 65% to 75% of the private-sale value for a Trek Slash 9, around £892 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 Slash 9 prices based on real sales?
These figures come from 20 real Trek Slash 9 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 Slash 9?
You can browse live Trek Slash 9 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 listing is free.
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