RT21M Series Number Plates
UK vehicles registered in Reading, Berkshire during March 2021 to August 2021 with registration prefix RT21M.
- Area Office
- Reading (Reading, Berkshire)
- Release Period
- March 2021 to August 2021
- Tracked in Batch
- 4 vehicles
- MOT Pass Rate
- 66.7%
Average MOT Pass Rate
Based on 3 historical tests
Common Colors
Active Plates in RT21M Series(4 of 4 displayed)
RENAULT CLIO ESPRIT ALPINE ETECH HEV A
Hybrid Electric (Clean) · Grey
- First Used
- Jul 2025
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
MERCEDES-BENZ UNKNOWN
Diesel · Grey
- First Used
- Jan 2026
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
LAND ROVER DISCOVRY SPRT RDYN HSE P300E A
1.5L · Hybrid Electric (Clean) · Red
- First Used
- Mar 2021
- MOT Expiry
- 03 Jun 2027
- Tax Status
- —
- Color
- Red
MERCEDES-BENZ SPRINTER 315 PREMIUM CDI
Diesel · Grey
- First Used
- Jan 2024
- MOT Expiry
- —
- Tax Status
- —
- Color
- Grey
Reliability & Common Problem Guides for RT21M Makes
Explore common mechanical faults, MOT advisory trends, and recall notices for popular vehicles in this registration batch:
Frequently Asked Questions about RT21M Plates
Where was the RT21M number plate series registered?
Vehicles starting with RT21M were assigned to the Reading covering Reading, Berkshire. The first two letters (RT) identify the memory tag assigned by the DVLA.
What registration period is RT21M?
The RT21M age identifier corresponds to vehicles first registered between March 2021 to August 2021.
How can I check the MOT history of a RT21M 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.