Martin Standard Series D-18

About the Martin Standard Series D-18

The D-18 is Martin's mahogany dreadnought: a solid Sitka spruce top, solid mahogany back and sides, a 14-fret body with a dovetail neck joint, a 25.4 inch scale and 20 frets on a 16 inch radius, with a bone nut.

Three generations matter when you buy one. Older D-18s, including 1990s and early-2000s examples, have a rosewood fingerboard and bridge, non-scalloped X bracing, black binding and enclosed tuners. Later Standard Series guitars moved to an ebony fingerboard and bridge, scalloped forward-shifted bracing, a Modified Low Oval neck with a 1 3/4 inch nut, open-gear tuners with butterbean knobs, Old Style 18 abalone dots, tortoise binding and pickguard, black bridge pins and an aging-toner top. The 2025 refresh brought Golden Era scalloped bracing, a thinner fingerboard with beveled edges, a vintage-style heel, an angled nut and a new belly bridge; refreshed guitars have ebony bridge pins and black binding. Besides the aging-toner top, sunburst and Ambertone tops were offered, the latter now listed as 1933 Ambertone.

It comes with a Martin hardshell case, and used ones often still have the case candy and paperwork. Factory Fishman or LR Baggs electronics were an option and some have a pickup added, so ask what is fitted and how. Check the body for cracks and opened seams: wood cracks, seam separation and fine finish cracks all turn up on used ones.

In one paragraph

The page's figures as one paragraph, assembled for quoting; not written by hand.

Listings of the Martin Standard Series D-18 we watched from listing to sale typically went in 22 days (22 watched), a steady; it sells for a median of €1,800 over the last 90 days across 17 recorded sales, with most examples landing between €1,700 and €1,950. Sold new in the same family, the Martin Custom Shop D-18, costs €4,499 at Thomann (read 29 August 2026). The sale median is up 8% on the €1,674 of the 90 days before. There are 216 listings live right now across Reverb, eBay United States, from €1,460 asking, a median ask 49% over the sale median. Figures computed 20 October 2026 by Doirado from cross-platform listing data.