BY21S Series Number Plates
UK vehicles registered in Birmingham, West Midlands during March 2021 to August 2021 with registration prefix BY21S.
- Area Office
- Birmingham (Birmingham, West Midlands)
- Release Period
- March 2021 to August 2021
- Tracked in Batch
- 4 vehicles
- MOT Pass Rate
- 85.7%
Average MOT Pass Rate
Based on 7 historical tests
Common Colors
Active Plates in BY21S Series(4 of 4 displayed)
BMW M135 XDRIVE AUTO
Petrol · Blue
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Blue
FORD MUSTANG MACH-E STD RANGE RWD
Electric · Grey
- First Used
- Jun 2021
- MOT Expiry
- 01 Apr 2027
- Tax Status
- —
- Color
- Grey
VOLKSWAGEN POLO LIFE
1.0L · Petrol · White
- First Used
- Sep 2022
- MOT Expiry
- 17 Mar 2027
- Tax Status
- —
- Color
- White
LAND ROVER RANGE ROVER SPRT SVR CRBN ED A
5.0L · Petrol · Black
- First Used
- Jun 2021
- MOT Expiry
- 16 Jul 2027
- Tax Status
- —
- Color
- Black
Reliability & Common Problem Guides for BY21S Makes
Explore common mechanical faults, MOT advisory trends, and recall notices for popular vehicles in this registration batch:
Frequently Asked Questions about BY21S Plates
Where was the BY21S number plate series registered?
Vehicles starting with BY21S were assigned to the Birmingham covering Birmingham, West Midlands. The first two letters (BY) identify the memory tag assigned by the DVLA.
What registration period is BY21S?
The BY21S age identifier corresponds to vehicles first registered between March 2021 to August 2021.
How can I check the MOT history of a BY21S vehicle?
Click any registration in the plate list above to view the complete DVSA inspection history, advisory alerts, mileage progression, road tax status, and our AI mechanical risk evaluation.