Formula E Porsche 99X Electric #42137 — LEGO Technic Set Value
LEGO TechnicWhat the Formula E Porsche 99X Electric #42137 LEGO set is worth — loose, complete, and sealed.
Formula E Porsche 99X Electric #42137 value — Loose $10 · Complete (CIB) $23 · Sealed (new) $31. Prices updated August 2026.
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- LEGO Technic
Formula E Porsche 99X Electric #42137 (LEGO Technic) resale value
A loose Formula E Porsche 99X Electric #42137 set runs around $10, a complete copy (all pieces + box + instructions) about $23, and a factory-sealed box commands $31.
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 | $10 | eBay sold comps |
| Complete (CIB) | $23 | eBay sold comps |
| Sealed (new) | $31 | eBay sold comps |
| Live asking — low / typical / high | $24.99 / $34.99 / $39.95 | 6 live eBay listings ↗ |
Market check: As of July 15, 2026, 6 live eBay listings ask $24.99–$39.95 (median $34.99).
Frequently asked questions
- What is the best deal for the Porsche 99X Electric?
- The best value depends on your needs; the loose version is the most affordable at $11, while the sealed option is $32.
- Is the complete version worth buying over the loose one?
- For display purposes, the complete version at $23 offers more value than the loose version for only $12 more.
- How much is the new, sealed version of this set?
- The new, sealed condition of the Formula E Porsche 99X Electric is listed for $32.