How much is LEGO McLaren Senna GTR worth?
Set 42123-1 · 830 pieces
$43.20
new / sealed
$29.49
used
-14%
vs $49.99 RRP
$0.05
per piece
LEGO McLaren Senna GTR (42123-1) is worth about $43.20 new (or $29.49 used) at current secondary-market prices, currently 14% below its $49.99 retail price.
Value history
Value historytracking since Jul 27, 2026
Currently $43.20 new. We just started tracking this set’s value. The chart fills in as prices are re-checked over the coming weeks.
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