HomeCompare › Grand Banks 32 Sedan vs Mainship 34 MKI

Model comparison

Grand Banks 32 Sedan vs Mainship 34 MKI

Side-by-side B-Atlas model data for two boats a buyer may reasonably cross-shop. Individual boats can differ materially by year, engine, refit and condition.

Key differences

Specifications

FieldGrand Banks 32 SedanMainship 34 MKI
Years1965–19951978–1982
Length31.92 ft34 ft
Beam11.5 ft11.92 ft
Draft3.75 ft2.83 ft
Hull behaviourSemi-DisplacementSemi-Displacement
FuelDieselDiesel
PropulsionShaftShaft
Engine configurationSingle InboardSingle inboard diesel
Boat familyTrawlerTrawler

Best for

Grand Banks 32 Sedan

  • Couples cruising at displacement speeds
  • Buyers seeking a compact traditional flybridge cruiser
  • Owners comfortable maintaining an older teak-rich boat

Mainship 34 MKI

  • Couples cruising inland and coastal waters
  • Buyers seeking an affordable classic diesel cruiser
  • Owners comfortable updating late-1970s and early-1980s systems

Trade-offs

Grand Banks 32 Sedan

  • Machinery access is tighter than on larger Grand Banks models
  • Exterior teak and older systems can require substantial upkeep
  • One-cabin layout limits privacy for guests
  • Motion can be more noticeable than on larger, heavier models

Mainship 34 MKI

  • Single-screw docking requires technique or assistance
  • Balsa-cored foredeck requires careful moisture inspection
  • Older fuel, exhaust, electrical and steering systems may require refit
  • Single-cabin layout limits guest privacy

Inspection focus

Grand Banks 32 Sedan

  • Confirm whether the hull and superstructure are wood or fiberglass and survey accordingly
  • Inspect teak decks, deck fittings, windows and cabin sides for moisture intrusion
  • Inspect fuel tanks, exhaust components and accumulated electrical modifications
  • Evaluate machinery access before accepting the engine and service arrangement

Mainship 34 MKI

  • Moisture-test the balsa-cored foredeck around hardware and the mast step
  • Inspect aluminum fuel tanks and access for replacement
  • Inspect exhaust, cooling, steering, shaft and rudder systems
  • Review electrical upgrades and structural alterations

This comparison is model-level research, not a substitute for evaluating the specific boat.

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