LEGO Liebherr R 9800 Excavator (42100) Value
What does the LEGO Liebherr R 9800 Excavator (set 42100) actually sell for? Below are real eBay completed-sale medians, split by condition, with the most recent sold listings. That’s up 47% on its $450 retail price.
LEGO 42100 Liebherr R 9800 Excavator — what it sells for
⤢ enlarge+47%vs $450 RRP — sealed median $660 (1.5× retail)
Sealed
$660
range $512–$800
You’d net $574 after eBay fees
9 sold
New, factory-sealed (MISB).
Used — complete
$438
range $437–$479
You’d net $381 after eBay fees
5 sold
Opened/built, all pieces.
Recent real sold listings
Recent sold listings
| Listing | Condition | Sold | Price |
|---|---|---|---|
| LEGO TECHNIC: Liebherr R 9800 Excavator (42100) | Used — complete | 2026-06-04 | $437 |
| LEGO TECHNIC: Liebherr R 9800 Excavator (42100) | Used — complete | 2026-06-04 | $438 |
| LEGO Technic 42100 Liebherr R 9800 Excavator, Assembled, Complete, with Instr. | Used — complete | 2026-06-02 | $279 |
| LEGO Technic Liebherr R 9800 Excavator (42100) – Brand New Sealed Box | Sealed | 2026-06-02 | $660 |
| LEGO Technic CONTROL+ Liebherr R 9800 Excavator 42100 4108 pcs 12+ | Sealed | 2026-05-31 | $626 |
| LEGO TECHNIC: Liebherr R 9800 Excavator (42100) - New Damaged Open Box | Sealed | 2026-05-30 | $900 |
| LEGO TECHNIC: Liebherr R 9800 Excavator (42100) | Sealed | 2026-05-28 | $1,100 |
| Retired LEGO TECHNIC: Liebherr R 9800 Excavator (42100) - NSIB | Sealed | 2026-05-21 | $800 |
| LEGO TECHNIC: Liebherr R 9800 Excavator (42100) | Sealed | 2026-05-18 | $450 |
| LEGO TECHNIC: Liebherr R 9800 Excavator (42100) | Sealed | 2026-05-17 | $460 |
How to read these numbers
Each figure above is the median of real eBay completed sales for the Liebherr R 9800 Excavator (set 42100) in that condition, including shipping. “Net” subtracts eBay’s ~13% fee — what you’d actually keep as the seller. Notice the spread between conditions: sealed around $660, used — complete around $438.
Prices move, so check the recent listings and run a fresh lookup before you buy or sell. For context, see the most valuable sets and other retired sets.
Frequently asked questions
How much is LEGO 42100 worth?
Based on recent eBay sold listings, the Liebherr R 9800 Excavator sells for a median of about $660 sealed, less in lower conditions. See the full condition breakdown above.
Are these asking prices or actual sales?
Actual completed (sold) eBay sales — not asking prices. The recent-listings table shows the individual sales behind the medians.
Is the Liebherr R 9800 Excavator retired?
Yes — set 42100 is retired, which is typically why used and sealed prices sit above the original RRP.