Sub #8503 — LEGO Technic Set Value
LEGO TechnicWhat the Sub #8503 LEGO set is worth — loose, complete, and sealed.
Sub #8503 value — Loose $8 · Complete (CIB) $17 · Sealed (new) $33. Prices updated July 2026.
Theme · LEGO Technic
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Item details
- Brand
- LEGO
- Theme
- LEGO Technic
Sub #8503 (LEGO Technic) resale value
A loose Sub #8503 set runs around $8, a complete copy (all pieces + box + instructions) about $17, and a factory-sealed box commands $33.
What drives the price
Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $8 | eBay sold comps |
| Complete (CIB) | $17 | eBay sold comps |
| Sealed (new) | $33 | eBay sold comps |
Frequently asked questions
- What is the best deal for buying LEGO Technic Sub #8503?
- If you need parts, the loose version at $8 is the most budget-friendly option. For collectors, the sealed new version at $38 holds the highest value.
- Is the complete in-box version worth more than the loose pieces?
- Yes, the complete (CIB) version is listed at $17, which is significantly more than the loose price of $8.
- Where can I find a brand new, sealed copy of Sub #8503?
- Sealed, new copies of LEGO Technic Sub #8503 are currently listed for $38.