Grampian Classic 31 Buyer's Guide
Shopping the used brokerage market for a Grampian Classic 31 means looking at a Peter Van Dine–designed Canadian fiberglass cruiser from the mid-1960s, built by Grampian Marine Ltd. and typically found in United States listings. She is a 30-foot-11-inch boat of 9,722-pound displacement with a fin keel drawing 4.4 to 4.7 feet, a Universal Atomic 4 gasoline engine, and a cutter rig — a heavy, comfort-tuned coastal and offshore candidate rather than a racer.
Layouts on the Used Market
The Classic 31 on the used market carries four berths and 6 feet 2 inches of headroom. Her 8-foot-4.5-inch beam and 22-foot-3.5-inch waterline reflect Van Dine's slim, heavy hull — slimmer than 92% of comparable designs — so buyers should expect a narrow-but-full-standing interior rather than a wide modern salon. The solid fiberglass hull is as described for this model.
Equipment and Common Upgrades
A furling main is commonly fitted on boats offered today, a practical upgrade that simplifies short-handed sail handling on the 227-square-foot mainsail. Beyond that single commonly seen item, the period spec lists only the standard Atomic 4 inboard and half-inch sheet sizes for jib, genoa, mainsheet, and spinnaker — so most other gear on a given boat is owner-supplied and should be judged on its own condition rather than assumed as factory equipment.
What to Inspect
A buyer's inspection should center on the period-correct systems. The Universal Atomic 4 gasoline engine at 30 horsepower is a vintage carbureted unit whose fuel system and ignition should be surveyed closely, and the 14-gallon fuel tank should be checked for corrosion or odor. The fin keel and solid fiberglass hull deserve close looking for grounding damage given the 4.4-to-4.7-foot draft, and the half-inch sheet inventory implies manual handling, so verify deck hardware is sound.
Availability and Buyer's Takeaway
These boats are typically found in the United States market. For a buyer, the takeaway is a short checklist: confirm the Atomic 4 runs clean on the 14-gallon tank; inspect the fin keel and glass hull for impact or repair; verify the furling main and standing rigging are serviceable; and accept the narrow, heavy hull as a comfort cruiser rather than a light-air performer.
- United States market availability
- Atomic 4 and 14-gallon tank condition
- Fin keel and solid hull grounding history
- Furling main and rigging service state
Price & volume trends
Monthly asking-price and listing-volume trends for the Grampian Classic 31. The line shows the median ask each month; the bars show how many listings appeared.
Monthly breakdown · 1 row
| Month | Listings | Median ask | Δ vs. last mo. |
|---|---|---|---|
| Jun 25 | 1 | $7,500 | — |