# Giant Defy Advanced 1, used valuation on Cyclesite

> What a used Giant Defy Advanced 1 is worth in the UK, built from real Cyclesite market prices. These are last-advertised asking prices, not confirmed sale prices.

**Brand Wikidata:** https://www.wikidata.org/wiki/Q703557

## Fair-value range (UK asking prices)

- **Typical:** £1,300
- **Range:** £900 to £2,000
- **If you are pricing one to sell:** about £1,300, adjusted for model year using the table below.

## Measured asking price by model year (36 real UK listings that state a model year)

Median last-advertised asking price per model year. Asking prices, not confirmed sale prices.

These are a different set of listings from the headline figure above: 50 of the 67 listings state a model year, and their median is £1,450. Compare a model year below against £1,450 rather than against the all-listings median.

| Model year | Median asking price | 95% confidence range | Listings |
|---|---|---|---|
| 2026 | £2,100 | £1,850 to £2,550 | 9 |
| 2023 | £2,350 | £1,100 to £2,850 | 7 |
| 2021 | £1,400 | £1,000 to £1,700 | 7 |
| 2020 | £1,200 | £900 to £2,250 | 7 |
| 2018 | £900 | £750 to £1,300 | 6 |

The range is a 95% confidence interval on that year's median, not the spread of listing prices. Where two years' ranges overlap, the difference between those years is not established by this data.

## Market signals

- **Data points:** 67

## Value by condition

| Condition | Typical | Range |
|---|---|---|
| Excellent | £1,300 | £900 to £2,000 |
| Good | £1,105 | £765 to £1,700 |
| Fair | £845 | £585 to £1,300 |
| Poor | £520 | £360 to £800 |

## Live data

- **Valuation page:** https://www.cyclesite.co.uk/value/giant/defy-advanced-1
- **Live listings:** https://www.cyclesite.co.uk/bike-brands/giant/defy-advanced-1
- **Sold prices:** https://www.cyclesite.co.uk/sold-bike-prices/giant/defy-advanced-1
- **Valuation (MCP):** https://api.cyclesite.co.uk/api/mcp/valuation?brand=Giant&model=Defy%20Advanced%201

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Source: [https://www.cyclesite.co.uk/value/giant/defy-advanced-1](https://www.cyclesite.co.uk/value/giant/defy-advanced-1)
Cite as: Cyclesite (cyclesite.co.uk), accessed 2026-09-21.
License: CC-BY-4.0, see /ai.txt for full AI usage policy. Data is live; refresh interval ≤ 5 minutes.