42123 · Technic › Licensed

McLaren Senna GTR

Name: LEGO Technic McLaren Senna GTR
Brand: LEGO
SKU: 42123
Price: 54.95 EUR
Availability: InStock

€ 54,95

99 alt builds

Price history

Cheapest now: € 54,95; € 0,066/brick
RRP: € 49,99; € 0,060/brick
Above RRP: +€ 4,96; 10% above RRP · Goodbricks
Lowest measured: € 49,99

830 pieces. Out of production.

2020 830 pieces RRP € 0,060/brick Best € 0,066/brick

Price comparison

Goodbricks€ 54,95€ 60,90

Amazon.nl€ 74,99€ 74,99

Amazon.de€ 72,95€ 79,94

Bol.com€ 83,19€ 83,19

Amazon.fr€ 78,11€ 84,18

Unieke Bricks€ 79,99€ 85,94

Some of these links are affiliate links: if you buy through one, Lakea may earn a commission. Lakea earns nothing through the others. (more info)

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Minifigs in this set

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Accessories

Optional extras for this LEGO set. Not official LEGO products unless stated otherwise.

📖 Building InstructionsOriginal LEGO PDF

Notable parts

1 part comes in a colour no other set has for that mould

Axle Hose, Soft 11LBlue · ×3

2 printed parts are only in this set

Technic Panel Car Mudguard Arched 9 x 2 x 3 with Light Bluish Grey/Black…Blue · ×2
and 1 more

2 parts appear in only a few other sets

Technic Panel Fairing #5 Long Smooth, Side ABluealso in 42141 McLaren Formula 1 Race Car, 42141-2, 42140 App-Controlled Transformation Vehicle (all Technic)
Technic Panel Fairing #6 Long Smooth, Side BBluealso in 42141 McLaren Formula 1 Race Car, 42141-2, 42140 App-Controlled Transformation Vehicle (all Technic)

3 parts are otherwise only found in Technic sets

Technic Panel Curved 3 x 13Black · ×2
Technic Panel Fairing 2 x 3 x 1Blue · ×2
Technic Panel Fairing #21 5L Small Smooth, Side BLight Bluish Gray

1 mould first came out in 2021, including in this set

Technic Panel Fairing 2 x 3 x 1×4

3 existing moulds first came out in their colour in 2021, including in this set

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.

Price history

We have been tracking this set since 12 Apr 2026

Lowest measured€ 49,99since 12 Apr 2026

Highest measured€ 91,29since 12 Apr 2026

Current price since10 Oct 2026

Discount codes and vouchers are not counted here — the price actually paid can be lower than what we measure.

Hover or tap the chart for the exact date and price.

Lowest priceStore spreadRRPNew lows recorded

Price changes

Date	Lowest	Highest
6 Oct 2026	€ 54,95	€ 84,99
5 Oct 2026	€ 74,99	€ 85,95
3 Oct 2026	€ 78,95	€ 82,20
2 Oct 2026	€ 78,70	€ 84,99
28 Sept 2026	€ 74,99	€ 79,99
27 Sept 2026	€ 79,99	€ 84,99
26 Sept 2026	€ 77,70	€ 79,99
25 Sept 2026	€ 74,99	€ 84,99
24 Sept 2026	€ 84,09	€ 84,89
23 Sept 2026	€ 84,39	€ 84,59
22 Sept 2026	€ 77,70	€ 83,79
21 Sept 2026	€ 77,39	€ 89,00

Last 12 of 87 changes.

Store	Lowest measured	Date
Top1Toys	€ 49,99	7 May 2026
Goodbricks	€ 54,95	7 Oct 2026
Bol.com	€ 74,99	5 Aug 2026
Unieke Bricks	€ 79,99	9 Sept 2026

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