Sonic Adventure
Short answer
A raw-sealed Sonic Adventure for Dreamcast has an estimated market value of $260 based on 5 recent condition-matched sold comps. Confidence is medium, from sold data 1 day old. Graded evidence is shown separately and never supports a raw-sealed estimate.
raw-sealed estimated market value
$260
Observed matching range: $17 to $350
Catalog updated September 22, 2026, sold comps refreshed September 21, 2026.
Current tracked listing
$120
Asking price, shown separately from sold-market evidence.
Marketplace actions may earn Rumble Deals a commission. Rumble Deals does not sell this item. Affiliate disclosure.
Recent eBay sold comps
The $260 headline estimate is compared only with this raw sealed tier.
Median sold
$260
Range
$16.99 to $350
Sold comps
5 in last 90 days
- Sealed Sega Dreamcast Generator Vol 2 Demo Disc Sonic Adventure Tomb Raider New Opens in a new window or tab$16.99Sep 15, 2026
- Video Game Sega Dreamcast Sonic Adventure MINT no tears SEALED #3a Opens in a new window or tab$220Sep 14, 2026
- NEW Sonic Adventure (Sega Dreamcast, 1999) RARE - ORGINAL FACTORY SEALED Opens in a new window or tab$200Feb 15, 2026
- Sonic Adventure NOT FOR RESALE Sega Dreamcast Game BRAND NEW SEALED Opens in a new window or tab$350Sep 13, 2026
- Brand New - Sonic Adventure - Sega Dreamcast - Factory Sealed MINT CONDITION!! Opens in a new window or tab$300Sep 11, 2026
Sold-completed listings from eBay over the trailing 90 days, outlier-trimmed. Comps are a market reference, not an offer.
How this estimate was calculated
The raw-sealed tier is the only sold tier eligible to support this headline. Its outlier-trimmed median uses 5 matching eBay completed listings. Graded, raw-sealed, and loose evidence remain separate.
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Sonic Adventure value questions
- What is Sonic Adventure for Dreamcast worth?
- A raw-sealed Sonic Adventure for Dreamcast has an estimated market value of $260 based on 5 recent condition-matched sold comps. Confidence is medium, from sold data 1 day old. Graded evidence is shown separately and never supports a raw-sealed estimate.
- How confident is the Sonic Adventure estimate?
- Confidence is medium. The matching raw-sealed tier contains 5 sold comps, and the headline source is sold evidence. That sold data is 1 day old, and confidence is capped as it ages: no higher than medium past 14 days, and low past 30.
- Are graded Sonic Adventure copies included in the sealed estimate?
- No. Graded copies remain in a separate tier. The current graded tier contains 1 sold comp.
- Where does the Sonic Adventure sold data come from?
- The current sold-comp snapshot uses eBay completed listings that pass title, platform, region, condition, and non-comparable gates. The comp snapshot was last refreshed September 21, 2026.