ExclusivesAges 18+

McLaren P1™ (42172)

Name: McLaren P1™
Brand: LEGO
SKU: 42172
Rating: 4.7 (4 reviews)

Prices last checked: 29 April 2026 at 07:02

LEGO.com RRP:

£389.99

Best Price Found

€311.84(~£261.95) -£105.00 (27%)

View Deal →

Amazon FR// Last Checked: 29 Apr

LEGO.com

★4.7

(4 reviews)

★4.8

🧱 3893 pieces - : £0.07

Available From

£284.99

£389.99

Free delivery with Prime

Save £105.00 (27% off)

Price checked: 29 Apr 2026

View Deal →

£309.99

£389.99

Save £80.00 (21% off)

Price checked: 10 Mar 2026

View Deal →

Best Deal

€311.84(~£261.95)

Free delivery with Prime

Price checked: 29 Apr 2026

View Deal →

€327.20(~£274.85)

Price checked: 29 Apr 2026

View Deal →

£390.00

Price checked: 29 Apr 2026

View Deal →

LEGO.comOfficial

£389.99

Price updated: 29 Apr 2026

View on LEGO →

Building Instructions Brickset

Price Analysis

Lowest Price Ever

£3.99

at Amazon UK · Jan 2026

Average Price (12mo)

£293.53

Current vs Average

+32.9%

Above average

Price Trend

Falling

Last 30 days

Best Month to Buy

January

Value Score

10.0/10

Price-per-piece vs theme avg

The lowest price we've recorded for McLaren P1™ is £3.99 at Amazon UK in January 2026. The current price is 32.9% above the 12-month average of £293.53. Prices have been trending downward recently — a good time to buy. Historically, January tends to offer the best prices for this set.

Description

McLaren P1™ (42172) is a LEGO Technic set with 3,893 pieces, with an RRP of £389.99. It's currently available from £261.95 at Amazon FR — 27% below the RRP, saving you £105.00. Prices have been falling over the last 30 days. With a value score of 10.0/10, this set offers excellent value compared to other Technic sets.

Ignite your love for supercars with this engaging LEGO® Technic McLaren P1™ hypercar set for adults. Become immersed in the details as you construct the impressive 1:8 scale model. Then take your time exploring features like the 7-speed gearbox with its shifter drum, the suspension and the V8 piston engine. Admire the adjustable rear wing and the opening doors with their butterfly-style mechanism, before proudly displaying your completed model. Like the real-world car, the LEGO Technic version features its own unique serial number, which gives you access to exclusive online content.

From the fun unboxing experience to adding the finishing details, this LEGO Technic set offers a rewarding challenge for adult building fans. It’s an ideal present for supercar enthusiasts and McLaren fans, offering a project to enjoy and a display piece to cherish.

Features

LEGO® Technic racing car set for adults – This McLaren P1™ building set for adults is packed with authentic details and can be built to make a 1:8 scale model collectible for supercar fans
Build the V8 piston engine and more – Enjoy a mindful project assembling all the details like the 7-speed gearbox with shifter drum, opening doors, adjustable rear wing and V8 piston engine
A 1:8 scale model car to display – From the unboxing experience to the building project, this adult building kit delivers a rewarding challenge for LEGO® Technic fans
Unique serial number tile – Like the real-world car, the LEGO® Technic version features its own unique serial number, giving you access to exclusive online content
A gift for car-lovers – This set makes a gift for adult LEGO® builders, supercar enthusiasts and McLaren fans, offering a creative project and a display piece to cherish
Measurements – 3,893-piece set with a model car measuring over 14 cm (5.5 in.) high, 59 cm (23 in.) long and 25 cm (9.5 in.) wide

Frequently Asked Questions about McLaren P1™

What is the best price for LEGO McLaren P1™ (Set 42172)?

The best current price for LEGO McLaren P1™ (Set #42172) is £311.84 at Amazon FR. This is £105.00 cheaper than the official LEGO RRP of £389.99. Price last verified on 29 April 2026.

How much can I save on LEGO McLaren P1™?

You can save £105.00 (27% off) on LEGO McLaren P1™ by buying from Amazon FR instead of LEGO.com. The official RRP is £389.99, but you can get it for just £311.84. Browse more top discounts.

How many pieces are in LEGO set 42172?

LEGO McLaren P1™ (Set #42172) contains 3,893 pieces. At the best available price of £311.84, that works out to approximately 8.0p per piece.

What age is LEGO McLaren P1™ suitable for?

LEGO McLaren P1™ (Set #42172) is recommended for ages 18+. This set is part of the LEGO Technic theme. View all Technic sets and deals.

Where can I find the building instructions for LEGO McLaren P1™?

You can download the official building instructions for LEGO McLaren P1™ (Set #42172) for free from LEGO.com. Download the building instructions here. The instructions are available as a PDF and can be viewed on any device.

Where can I buy LEGO McLaren P1™ in the UK?

LEGO McLaren P1™ (Set #42172) is available from 5 UK retailers including Amazon UK, Zavvi UK, Amazon FR and others. Prices range from £284.99 to £390.00. It's also available directly from LEGO.com at £389.99.

Is LEGO McLaren P1™ on sale right now?

Yes! While not on sale at LEGO.com, you can get LEGO McLaren P1™ for £311.84 at Amazon FR - that's 27% below the official RRP of £389.99. Browse more best offers.