550 SO Number Plate
The known history of 550SO, bringing together documented vehicle assignments, auction sales, advertisements, photographs and other evidence.
Last checked by our plate checker: 19 Oct 2026, 21:02
550 SO (550SO) – Number Plate History & Timeline
Also written as 550SO. History, past vehicles, DVLA records, auction sales, advert appearances, spotted photos, pictures and images for number plate 550 SO.
On Vehicle
Currently on a 2025 Blue Volvo Ex30 Ultra
Sold
This number plate was issued at a DVLA auction in February 2020.
It sold for a hammer price of £3,000 and a total of £3,852 including fees and taxes.
Accounting for inflation, that's £5,014 in today's money.
Own 550 SO? Get a free valuation and cash offer here
Alternatively, list this plate on our site for free.
What is 550 SO worth?
The value of 550 SO is influenced by its dateless format, the relevance and popularity of the letters SO and comparable sales.
Found this interesting? Add NumberPlates.org as a preferred source on Google