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Sea Ray Sundancer 320

34ft express cruiser, built 2000–2018. Primary use: salt or fresh.

Typical used values

Model year	Used asking range	Median	Confidence
2000	$38,500 – $52,500	$45,500	low
2009	$81,500 – $109,500	$95,500	med
2018	$200,000 – $254,000	$227,000	med

Ranges interpolate 3 hand-anchored years at 8%/yr depreciation off-curve. Hours and saltwater service further adjust; a full Deal Report scores those for a specific listing.

Known issues to check (3)

High Twin gas MerCruiser inboards: exhaust manifolds/risers are a $2.5–4K replacement every ~6–8 years and the #1 deferred item.

Source: ClubSeaRay forums — 'manifold riser' threads
Medium Canvas, isinglass, and shore-power/AC systems are expensive to restore on neglected boats.
Medium Older (pre-2010) units may have closed-cooling neglected — check coolant and heat-exchanger condition.

Pre-purchase inspection checklist

Pull and inspect exhaust manifolds/risers — assume replacement is due unless documented within 5 years.
Test all shore power, AC, generator, and the marine head/holding system.
Survey is non-negotiable on any inboard cruiser this age.

Typical engines (2)

MerCruiser sterndrive (gas, 4.5L–6.2L) sterndrive · gas · base score 70/100 · high-use ≥ 100 hrs/yr

The most common inboard/outboard in US bowriders and cruisers. The engine itself (GM-based) is reliable; the maintenance burden is the drive and exhaust. Bellows, gimbal bearing, U-joints, and — in any saltwater service — exhaust manifolds and risers are the recurring costs.

Bellows/gimbal every ~5 years; manifolds/risers every ~6–8 years (or 3–4 in salt) at $2.5–4K. Pull the drive on inspection — deferred drive service is the classic hidden cost.
Volvo Penta diesel (D3/D4/D6, saildrive) diesel · diesel · base score 74/100 · high-use ≥ 250 hrs/yr

Modern common-rail Volvo diesels are durable and economical, routinely good for 5,000+ hours. The cost center is the saildrive (on sailboats): a diaphragm service every ~7 years and corrosion vigilance. Parts and dealer labor are expensive.

Saildrive diaphragm on the 7-year schedule; check for corrosion and gear-oil water intrusion. Diesels tolerate hours far better than gas — judge by service history, not hour count alone.

Resale liquidity (62/100)

Most-produced mid-size express cruiser in the US — that volume keeps it liquid, but gas-inboard cruisers are a shrinking buyer pool and slow movers above $150K.

Sea Ray Sundancer 320 FAQ

What is a fair price for a used Sea Ray Sundancer 320?

Typical asking range for a 2009 Sea Ray Sundancer 320 is roughly $81,500–$109,500 in average condition with average hours. Older year-models depreciate at about 8% per year off the curve. Specific listings vary; paste a URL on the home page for a full Deal Report.

What should I inspect on a used Sea Ray Sundancer 320?

Pull and inspect exhaust manifolds/risers — assume replacement is due unless documented within 5 years.
Test all shore power, AC, generator, and the marine head/holding system.
Survey is non-negotiable on any inboard cruiser this age.

Is the Sea Ray Sundancer 320 a good boat?

Most-produced mid-size express cruiser in the US — that volume keeps it liquid, but gas-inboard cruisers are a shrinking buyer pool and slow movers above $150K. Resale-liquidity score (our model, 0–100): 62.

Looking at a specific Sea Ray Sundancer 320?

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