LEGO 42115 Lamborghini Sián FKP 37 is a Technic set valued at $468 for new and sealed sets, up 4% from an original retail price of $449.99. The set retired in November 2025 with annual appreciation averaging 4.29% since. On the used market, values range from $376 to $426 based on condition. Secondary market prices for new and sealed sets typically fall between $450 and $500. Lately, the set holds steady as its value stays a little ahead of what similar retired sets typically do by this point.

Lamborghini Sián FKP 37 Value (New/Sealed)

This chart represents the current new/sealed value of the set Lamborghini Sián FKP 37 since November 2025. Medium accuracy
LEGO 42115 Lamborghini Sián FKP 37 is a Technic Licensed set released in 2020, containing 3,696 pieces. The model replicates the Sián’s engineering with an 8-speed transmission, a V12 engine with moving pistons, 4-wheel drive, and scissor-opening doors. It comes in a presentation box and includes an exclusive collector’s booklet with building instructions, images, and behind-the-scenes interviews from the LEGO Group and Automobili Lamborghini. The set launched on June 1, 2020 without VIP early access, and the front of the box features a stylized image of the Sián’s hood with the Lamborghini emblem.

Lamborghini Sián FKP 37 has climbed about 4.3% a year since retirement and is worth around $468 sealed. If the forecast is right, it keeps going, to about $602 in five years. The average used price is $388 for those in good overall condition. New and sealed listings currently range from $461 to $555. The set was available for 65 months, from June 2020 to November 2025.

For Sale (New/Sealed)

(US) TECHNIC Lamborghini Sian FKP 37 42115
BrickEconomy Choice
$400.00
(US) TECHNIC Lamborghini Sian FKP 37 42115 New & Factory Sealed $425.00
-9.2%
(US) Technic Lamborghini Sian FKP 37 42115 NEW SEALED 3696 Pieces $425.00
-9.2%
(US) Lamborghini Sin FKP 37 from BrickLink seller katieestill $379.99
-18.8%
(US) Lamborghini Sin FKP 37 from BrickLink seller MariettaBricks $399.00
-14.7%
(US) Lamborghini Sin FKP 37 from BrickLink seller Josh1oreilly $420.00
-10.2%
(US) New LEGO Lamborghini Sian FKP 37 42115 TECHNIC Ultimate Car Concept3696pcs $436.99
-6.6%
(US) TECHNIC: 42115 Lamborghini SiaN FKP 37 Brand New Factory Sealed Box Retired $439.95
-6.0%
(US) Technic Lamborghini Sian FKP 37 42115 3696 pcs New. NISB $440.00
-6.0%
(US) TECHNIC: Lamborghini Sian Fkp 37 (42115) $449.95
-3.8%
(US) 42115 Lamborghini Sin FKP 37 - BRAND NEW - FACTORY SEALED $449.99
-3.8%
(US) New LEGO Lamborghini Sian FKP 37 42115 TECHNIC Ultimate Car Series3696pcs $449.99
-3.8%
(US) New LEGO Lamborghini Sian FKP 37 42115 TECHNIC Ultimate Car Concept3696pcs $451.99
-3.4%
(CA) Technic Lamborghini Sian FKP 37 -42115 Brand New $453.00
-3.2%
(CA) Technic Lamborghini Sian FKP 37 Supercar 42115 Retired Brand New $456.54
-2.4%
(US) Technic Lamborghini Sian FKP 37 42115 Retired - Brand New Factory Sealed $459.99
-1.7%
(US) New LEGO Lamborghini Sian FKP 37 42115 TECHNIC Ultimate Car Series Retired $459.99
-1.7%
(US) Technic Lamborghini Sian FKP 37 42115 Brand New Sealed in Box Retired NIB $465.00
-0.6%
Picked for your regionShow 47 more listings

For Sale (Used)

(US) Lamborghini Sian FKP 37-Complete w/ numbered plate from smoke free home! $240.00

Sales Distribution (Last 90 Days)

This chart shows the distribution of sales for the past three months of new/sealed 42115 Lamborghini Sián FKP 37.

Sale Trends

This chart shows the sales trends of new/sealed 42115 Lamborghini Sián FKP 37.

Market Momentum

Neutral
42115 Lamborghini Sián FKP 37 has leveled off after its retirement pop. Its value runs slightly ahead of similar retired Technic models because top-tier sets tend to hold their ground better in the first year post-retirement. More copies are now listed for sale, but member interest remains very high and steady.
DemandTop 8% in Technic
Very high demand
12 months agoToday
SupplyMore than most in Technic
Listings up 4% this week
12 months agoToday
Pop so far vs typical+13% typical for Technic
+23% value pop so far
Retired12 months
Outlook:9% bearish·57% neutral·34% bullish
Why it's moving, signals and outlook

Compared with other Ultimate Car Series sets

Lamborghini Sián FKP 37 only left shelves in November 2025. That alone goes a long way to explain why it sits at the bottom of the Ultimate Car Series sets.

#4 of 4
By growth since retail, +4%
+4%+229%
The weakest performer in the group.
$0.13 a piece
New and sealed value per piece
This set
$0.13
Typical
$0.14
About 10% below the group's typical value per piece.
All Ultimate Car Series setsValueSince retail
42056 Porsche 911 GT3 RS$986+229%
42143 Ferrari Daytona SP3$600+33%
42115 Lamborghini Sián FKP 37$468+4%
42172 McLaren P1$453At retail
42232 Koenigsegg Sadair's Spear Megacar$450At retail
42083 Bugatti Chiron$450+29%

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42083 LEGO Technic Bugatti Chiron
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42056 LEGO Technic Porsche 911 GT3 RS
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Year 2021
Pieces 2,108
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42129 LEGO Technic 4x4 Mercedes-Benz Zetros Trial Truck
Retail $329.99
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42125 Ferrari 488 GTE 'AF Corse #51'

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42125 LEGO Technic Ferrari 488 GTE 'AF Corse #51'
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42096 LEGO Technic Porsche 911 RSR
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42111 Dom's Dodge Charger

Theme / Subtheme Technic / Licensed
Year 2020
Pieces 1,077
Availability Retired
42111 LEGO Technic Dom's Dodge Charger
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Annual growth 8.2%

42123 McLaren Senna GTR

Theme / Subtheme Technic / Licensed
Year 2021
Pieces 830
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42123 LEGO Technic McLaren Senna GTR
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42107 Ducati Panigale V4 R

Theme / Subtheme Technic / Licensed
Year 2020
Pieces 646
Availability Retired
42107 LEGO Technic Ducati Panigale V4 R
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Growth  +12.5%
Annual growth 4.1%

Lamborghini Sián FKP 37 Questions

What is the current value of LEGO 42115 Lamborghini Sián FKP 37?

A new, sealed copy of Lamborghini Sián FKP 37 is worth about $468 today, and most sealed copies sell for between $450 and $500. Used copies are worth about $388.

Has LEGO 42115 Lamborghini Sián FKP 37 been retired?

Yes. LEGO retired Lamborghini Sián FKP 37 in November 2025 after about 5 years on store shelves, about 3 years longer than the typical Licensed set. New copies now come only from the secondary market, where sellers on eBay and BrickLink set the price.

How has LEGO 42115 Lamborghini Sián FKP 37 performed since its release?

Lamborghini Sián FKP 37 is now worth 4% more than its $449.99 retail price, or roughly 4.3% a year on average. That matches the Licensed average of 4.2% a year closely.

What is the one-year forecast for LEGO 42115 Lamborghini Sián FKP 37?

BrickEconomy's forecast puts Lamborghini Sián FKP 37 near $492 in twelve months, about 5% more than today. In the short term the market reads neutral. Signals from demand, supply and price are mixed. This is an estimate and markets can change.

How big is LEGO 42115 Lamborghini Sián FKP 37?

Lamborghini Sián FKP 37 has 3,696 pieces, about $0.12 each at retail.

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Experience the unmistakable power and looks of the Lamborghini Sián FKP 37 as you become immersed in this LEGO® Technic™ building kit (42115). With superb detailing, the model car is a faithful representation of the original Sián FKP 37 in eye-catching lime green with golden rims.

Authentic features include the 8-speed transmission, activated by the movable paddle gearshift, V12 engine with moving pistons, and 4-wheel drive. Use the steering wheel to position the car, then check out the front and rear suspension. Just like the full-size super sports car, this model car features classic scissor opening doors.

This buildable car set lets you enjoy quality downtime as you bring the beautiful Sián FKP 37 to life. Presented in a luxury box, it includes an exclusive coffee-table-quality book with building instructions, images and behind-the-scenes interviews. Open the hood to discover your unique serial number and unlock special onlinecontent.
Description provided by LEGO©