A natural wood acoustic guitar with a dark pickguard, resting on black foam.

Martin OM-18 — Guitar Resale Value

Acoustic Guitars

What a used Martin OM-18 sells for on Reverb (median of 2 recent listings).

Martin OM-18 value — Used $19,850. Prices updated July 2026.

Used
$19,850
New / Sealed
Live on eBay now
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Selling on eBay right now · by condition
New
$3,899
3 listings asking
Used
$3,325
3 listings asking
Median of current eBay asking prices — live, not sold data.

Live on eBay right now

Price data verified against · 1

Item details

Brand
Martin
Make
Martin
Model
OM-18
Year
1931
Finishes seen
Natural, shade top conversion
Used range
$10,500 – $19,850
Sample size
2 listings

Martin OM-18 resale value

The used Martin OM-18 has a median Reverb asking price of $19,850, ranging from $10,500 to $19,850 across 2 current listings.

What drives the price

For a used guitar, year, finish, originality (no mods/refins), and case move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

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ConditionValueBased on
Used$19,850eBay sold comps
Live asking — low / typical / high$34.77 / $3,899 / $4,2006 live eBay listings

Market check: As of July 16, 2026, 6 live eBay listings ask $34.77–$4,200.00 (median $3,899.00). Asking prices sit about 80% below the typical sold value of $19,850.00 — a window worth checking for buyers.

Frequently asked questions

What is the estimated resale value range for a 1931 Martin OM-18?
Based on current listings, the Martin OM-18 ranges between $10,500 and $19,850.
Are there different finish options available for this vintage model?
Yes, finishes seen include Natural and shade top conversion.
How many examples of the Martin OM-18 are currently listed?
There are currently 2 listings available for the Martin OM-18.

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