Light wood acoustic guitar next to black gig bag.

Seagull M4 Diatonic 4-String Spruce — Instrument Resale Value

Folk Instruments

What a used Seagull M4 Diatonic 4-String Spruce sells for on Reverb (median of 2 recent listings).

Seagull M4 Diatonic 4-String Spruce value — Used $146.76. Prices updated July 2026.

Used
$146.76
New / Sealed
—
Live on eBay now
See current eBay listings
Selling on eBay right now · by condition
New
$514
8 listings asking
Used
$436
12 listings asking
Median of current eBay asking prices — live, not sold data.

Live on eBay right now

Expired listings — price reference

Seagull Guitars M4 Merlin Mountain Dulcimer - Natural$199Newexpired · seen Sep 8Look up ↗
Seagull Merlin Natural Spruce SG 4 String Diatonic Acoustic Instrument$199Newexpired · seen Sep 8Look up ↗
Seagull Performer CW HG QIT 6-String Grand Auditorium Natural w/ Gig Bag$600Usedexpired · seen Sep 8Look up ↗
Seagull S6 Spruce Dreadnought Solid Spruce Top Natural - 1999$429.99Usedexpired · seen Sep 8Look up ↗
Seagull SM-6 Spruce Acoustic Guitar with Hard Case, Tuner, and Strings$375Usedexpired · seen Sep 8Look up ↗
Seagull SM12 12 String, Gloss Top, Undersaddle Pickup, Hardshell Case$425Usedexpired · seen Sep 8Look up ↗

eBay removes ended listings after ~90 days — we keep the prices. Look up finds current listings for the same item.

Item details

Brand
Seagull
Make
Seagull
Model
M4 Diatonic 4-String Spruce
Finishes seen
Natural
Used range
$140 – $146.76
Sample size
2 listings

Seagull M4 Diatonic 4-String Spruce resale value

The used Seagull M4 Diatonic 4-String Spruce has a median Reverb asking price of $146.76, ranging from $140 to $146.76 across 2 current listings.

What drives the price

For a used instrument, tonewoods, setup/playability, and originality 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

Shop this on eBay ↗
ConditionValueBased on
Used$146.76eBay sold comps
Live asking — low / typical / high$119.99 / $441.66 / $1,07920 live eBay listings ↗

Market check: As of September 7, 2026, 20 live eBay listings ask $119.99–$1,079.00 (median $441.66). Sellers are currently asking about 201% above the typical sold value of $146.76 — patient buyers can often do better than list price.

Frequently asked questions

What is the typical resale price range for the Seagull M4?
Currently, the Seagull M4 Diatonic 4-String Spruce is listed in the used range of $140 – $148.62.
Is the Natural finish available for this model?
Yes, the Natural finish has been seen for the Seagull M4 Diatonic 4-String Spruce.
How many listings are currently available for this guitar?
There are currently 2 listings available for the Seagull M4 Diatonic 4-String Spruce.

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