Sigma SDM-18
guitar
Not enough sold data for a typical price — 3 sales on record all-time.
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Not enough sold data for a typical price. 3 for sale, from €780.
For sale right now
The best-priced as cards, a row of them; every other ad as a line, by ask. Each ask is the seller’s own number; the platform’s mark opens the listing. Each one says when we last confirmed it at its source: the price and availability are from that visit, so check the marketplace before you go.
Reverb
eBay GermanyRecent sales by listing date
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 17 Sept 2019 | €223$250 as sold | very good |  United States | Reverb | Details |
| 18 Apr 2019 | €852$988 as sold | new |  United Kingdom | Reverb | Details |
| 11 Jun 2016 | €179$200 as sold | very good | United States | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in September 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Cheapest live: 
Germany €780 · 
Austria €938 · before shipping
3 recorded sales of the Sigma SDM-18, too few to quote a typical used price. Cheapest live €780 before shipping. Figures computed 17 October 2026.