McLaren P1™ (42172)
Prices last checked: 13 June 2026 at 12:26
Available From
Price Analysis
Lowest Price Ever
£3.99
at Amazon UK · Jan 2026
Average Price (12mo)
£295.36
Current vs Average
-7.6%
Below average
Price Trend
Stable
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 7.6% below the 12-month average of £295.36. Historically, January tends to offer the best prices for this set.
Price History & Buying Verdict
- •On price-per-piece, this is one of the better-value sets in the Technic range (value score 10.0/10 vs theme average).
- •A recent price drop of about £42.75 was recorded in the last 30 days.
We've been tracking the price of LEGO Technic McLaren P1™ (3,893 pieces) for 147 days, recording 56 data points across LEGO.com and major UK retailers. Over that period the price has dropped 14 times below previous levels, with the lowest price ever recorded being £3.99 at Amazon UK in January 2026.
The 12-month average sale price for set 42172 works out to £295.36 — that's 24.3% below the LEGO RRP of £389.99. The highest price we recorded across our tracked retailers was £390.00, giving a range of about £386.01 between the cheapest and most expensive observation.
Amazon FR has run the most price drops on this set in the period we've tracked, making it the retailer most worth watching for short-term deals. Historically, January has produced the lowest average prices for McLaren P1™, so if you're not in a hurry it's worth bookmarking the page closer to that window.
Want to see how LEGO McLaren P1™ (set 42172) compares against other sets? Browse the best-value LEGO sets or check the full price-history tracker.
Description
McLaren P1™ (42172) is a LEGO Technic set with 3,893 pieces, with an RRP of £389.99. It's currently available from £264.59 at Amazon FR — 27% below the RRP, saving you £105.00. Prices have been stable 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 £314.99 at Amazon FR. This is £105.00 cheaper than the official LEGO RRP of £389.99. Price last verified on 5 June 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 £314.99. 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 £314.99, that works out to approximately 8.1p 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?
Is LEGO McLaren P1™ on sale right now?
Yes! While not on sale at LEGO.com, you can get LEGO McLaren P1™ for £314.99 at Amazon FR - that's 27% below the official RRP of £389.99. Browse more best offers.
What is the lowest price ever recorded for LEGO McLaren P1™?
The lowest price we've recorded for LEGO McLaren P1™ (Set #42172) is £3.99 at Amazon UK in January 2026. That's 99% off the LEGO RRP of £389.99. Track the latest movements on our LEGO price history page.
Is LEGO McLaren P1™ being discontinued or retiring soon?
LEGO McLaren P1™ is currently a LEGO Exclusive, which means it's only sold by LEGO and a small number of official partners. Exclusives typically have a longer retail life than mainline sets, but once retired they appreciate quickly on the secondary market. Browse our list of retiring LEGO sets to see what else is on the way out.
Is LEGO McLaren P1™ good value for money?
Comparing piece-count to price across the LEGO Technic theme, this set scores 10.0 / 10 for value. That works out to about 8.1p per piece. That puts McLaren P1™ in the top tier of Technic sets for raw build value — you're paying noticeably less per brick than the theme average. Compare against other contenders on our best-value LEGO sets page.
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