SIG 21 Number Plate
The known history of SIG21, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
SIG 21 (SIG21) – Number Plate History & Timeline
Also written as SIG21. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate SIG 21.
This plate is not currently being monitored.
Sold
This number plate was issued at a DVLA auction in July 2025.
It sold for a hammer price of £2,260 and a total of £2,902 including fees and taxes.
Accounting for inflation, that's £2,967 in today's money.
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What is SIG 21 worth?
The value of SIG 21 is influenced by its dateless format, the relevance and popularity of the letters SIG and comparable sales.
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