Batch Prefix Hub

CU21J Series Number Plates

UK vehicles registered in Swansea, Wales during March 2021 to August 2021 with registration prefix CU21J.

Area Office: Swansea (Swansea, Wales)
Release Period: March 2021 to August 2021
Tracked in Batch: 31 vehicles
MOT Pass Rate: 92.8%

Popular Makes

MAZDA 96.8% (30)

MERCEDES-BENZ 3.2% (1)

92.8%

Average MOT Pass Rate

Based on 83 historical tests

Common Colors

Red11 vehicles

Grey7 vehicles

Blue6 vehicles

Active Plates in CU21J Series(31 of 31 displayed)

Filter by 6th Letter:

MERCEDES-BENZ EQA 300 AMG LINE 4MATIC

Electric · Black

First Used: May 2022
MOT Expiry: 24 May 2026
Tax Status: —
Color: Black

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MAZDA CX-30 GT SPORT MHEV

2.0L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 01 Mar 2027
Tax Status: —
Color: Grey

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MAZDA CX-30 100TH ANNIVERSRY ED MHEV

2.0L · Petrol · White

First Used: Apr 2021
MOT Expiry: 07 Jul 2027
Tax Status: —
Color: White

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MAZDA CX-30 SE-L LUX MHEV

2.0L · Petrol · Red

First Used: Mar 2021
MOT Expiry: 17 Mar 2027
Tax Status: —
Color: Red

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MAZDA CX-30 SE-L LUX MHEV

2.0L · Petrol · Red

First Used: Mar 2021
MOT Expiry: 14 Mar 2027
Tax Status: —
Color: Red

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MAZDA CX-5 SPORT

2.0L · Petrol · Red

First Used: May 2021
MOT Expiry: 07 May 2027
Tax Status: —
Color: Red

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MAZDA 2 SE-L NAV MHEV

1.5L · Petrol · Blue

First Used: Apr 2021
MOT Expiry: 05 Apr 2027
Tax Status: —
Color: Blue

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MAZDA CX-30 GT SPORT MHEV

2.0L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 21 Mar 2027
Tax Status: —
Color: Grey

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MAZDA CX-30 GT SPORT MHEV AUTO

2.0L · Petrol · Blue

First Used: Mar 2021
MOT Expiry: 21 Jan 2027
Tax Status: —
Color: Blue

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MAZDA 2 GT SPORT NAV MHEV

1.5L · Petrol · Silver

First Used: Jun 2021
MOT Expiry: 29 Dec 2026
Tax Status: —
Color: Silver

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MAZDA 2 SPORT NAV MHEV

1.5L · Petrol · Silver

First Used: Mar 2021
MOT Expiry: 01 Mar 2027
Tax Status: —
Color: Silver

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MAZDA CX-5 SPORT

2.0L · Petrol · Red

First Used: Jun 2021
MOT Expiry: 27 May 2027
Tax Status: —
Color: Red

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MAZDA CX-30

2.0L · Petrol · Grey

First Used: May 2021
MOT Expiry: 17 May 2026
Tax Status: —
Color: Grey

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MAZDA CX-5 GT SPORT

2.0L · Petrol · Red

First Used: May 2021
MOT Expiry: 02 Jun 2027
Tax Status: —
Color: Red

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MAZDA CX-30 SE-L MHEV

2.0L · Petrol · Blue

First Used: Mar 2021
MOT Expiry: 01 Mar 2027
Tax Status: —
Color: Blue

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MAZDA CX-30

2.0L · Petrol · Red

First Used: Mar 2021
MOT Expiry: 19 Dec 2026
Tax Status: —
Color: Red

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MAZDA 2 GT SPORT NAV MHEV

1.5L · Petrol · White

First Used: Mar 2021
MOT Expiry: 18 Mar 2027
Tax Status: —
Color: White

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MAZDA MX-5 R-SPORT

1.5L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 05 Feb 2027
Tax Status: —
Color: Grey

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MAZDA CX-5 SE-L

2.0L · Petrol · Blue

First Used: Mar 2021
MOT Expiry: 24 Sep 2026
Tax Status: —
Color: Blue

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MAZDA CX-30 GT SPORT TECH MHEV AUTO

2.0L · Petrol · Red

First Used: May 2021
MOT Expiry: 29 May 2027
Tax Status: —
Color: Red

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MAZDA 3

2.0L · Petrol · Grey

First Used: May 2021
MOT Expiry: 06 May 2026
Tax Status: —
Color: Grey

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MAZDA 2 SPORT NAV MHEV

1.5L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 29 Mar 2027
Tax Status: —
Color: Grey

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MAZDA 3 GT SPORT TECH MHEV 4X4

2.0L · Petrol · Red

First Used: Apr 2021
MOT Expiry: 16 Nov 2027
Tax Status: —
Color: Red

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MAZDA CX-5 SPORT

2.0L · Petrol · Black

First Used: Apr 2021
MOT Expiry: 29 Apr 2027
Tax Status: —
Color: Black

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MAZDA MX-5

1.5L · Petrol · Grey

First Used: Jun 2021
MOT Expiry: 06 Jun 2027
Tax Status: —
Color: Grey

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MAZDA CX-30

2.0L · Petrol · Red

First Used: May 2021
MOT Expiry: 01 Jun 2027
Tax Status: —
Color: Red

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MAZDA 3

2.0L · Petrol · White

First Used: Mar 2021
MOT Expiry: 01 Apr 2027
Tax Status: —
Color: White

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MAZDA CX-5 SPORT

2.0L · Petrol · Blue

First Used: Jun 2021
MOT Expiry: 01 Jun 2027
Tax Status: —
Color: Blue

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MAZDA CX-5

2.0L · Petrol · Blue

First Used: Mar 2021
MOT Expiry: 11 Mar 2026
Tax Status: —
Color: Blue

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MAZDA CX-5 GT SPORT AWD AUTO

2.5L · Petrol · Red

First Used: Mar 2021
MOT Expiry: 11 Mar 2027
Tax Status: —
Color: Red

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MAZDA CX-5 SE-L

2.0L · Petrol · Red

First Used: Jun 2021
MOT Expiry: 10 Oct 2026
Tax Status: —
Color: Red

Check History & Specs

Reliability & Common Problem Guides for CU21J Makes

Explore common mechanical faults, MOT advisory trends, and recall notices for popular vehicles in this registration batch:

MAZDA Common Problems MERCEDES-BENZ Common Problems

Frequently Asked Questions about CU21J Plates

Where was the CU21J number plate series registered?

Vehicles starting with CU21J were assigned to the Swansea covering Swansea, Wales. The first two letters (CU) identify the memory tag assigned by the DVLA.

What registration period is CU21J?

The CU21J age identifier corresponds to vehicles first registered between March 2021 to August 2021.

How can I check the MOT history of a CU21J 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.