400 OK Number Plate
The known history of 400OK, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 18 Oct 2026, 17:14
400 OK (400OK) – Number Plate History & Timeline
Also written as 400OK. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate 400 OK.
On Vehicle
Currently on a 2026 Pink Porsche Cayman
Sold
This number plate was issued at a DVLA auction in February 2018.
It sold for a hammer price of £3,500 and a total of £4,536 including fees and taxes.
Accounting for inflation, that's £6,061 in today's money.
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What is 400 OK worth?
The value of 400 OK is influenced by its dateless format, the relevance and popularity of the letters OK and comparable sales.
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