21 SY Number Plate
The known history of 21SY, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 24 Sept 2026, 07:51
21 SY (21SY) — Number Plate History & Timeline
Also written as 21SY. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate 21 SY.
On Vehicle
Currently on a 2025 White BMW 520i M Sport Pro Auto
On Vehicle
Was on a 2025 Grey Land Rover
Sold
This number plate was issued at a DVLA auction in June 1991.
It sold for a hammer price of £3,800 and a total of £4,912 including fees and taxes.
Accounting for inflation, that's £11,565 in today's money.
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What is 21 SY worth?
The value of 21 SY is influenced by its dateless format, the relevance and popularity of the letters SY and comparable sales.
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