Batch Prefix Hub

KN21B Series Number Plates

UK vehicles registered in Northampton, East Midlands during March 2021 to August 2021 with registration prefix KN21B.

Area Office: Northampton (Northampton, East Midlands)
Release Period: March 2021 to August 2021
Tracked in Batch: 91 vehicles
MOT Pass Rate: 79.7%

Popular Makes

AUDI 45.1% (41)

MERCEDES-BENZ 39.6% (36)

FORD 6.6% (6)

79.7%

Average MOT Pass Rate

Based on 286 historical tests

Common Colors

White45 vehicles

Black24 vehicles

Grey8 vehicles

Active Plates in KN21B Series(91 of 91 displayed)

Filter by 6th Letter:

PEUGEOT 208 ALLURE PURETECH S/S

1.2L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 09 Feb 2027
Tax Status: —
Color: Grey

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Blue

First Used: Apr 2022
MOT Expiry: 22 Feb 2027
Tax Status: —
Color: Blue

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KIA NIRO

1.6L · Hybrid Electric (Clean) · Black

First Used: May 2021
MOT Expiry: 16 May 2027
Tax Status: —
Color: Black

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FORD FIESTA

1.0L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 03 Mar 2027
Tax Status: —
Color: Grey

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FORD KUGA ST-LINE X PHEV CVT

2.5L · Hybrid Electric (Clean) · Black

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

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FORD TOURNEO CUSTOM 320 TI EBLUE A

2.0L · Diesel · Orange

First Used: Mar 2021
MOT Expiry: 12 May 2027
Tax Status: —
Color: Orange

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KIA NIRO

1.6L · Hybrid Electric (Clean) · Blue

First Used: Mar 2021
MOT Expiry: 28 May 2027
Tax Status: —
Color: Blue

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FORD PUMA ST-LINE X MHEV

1.0L · Petrol · Black

First Used: Apr 2021
MOT Expiry: 16 Jun 2027
Tax Status: —
Color: Black

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FORD KUGA ST-LINE X ED EBLUE MHEV

2.0L · Diesel · Blue

First Used: Mar 2021
MOT Expiry: 28 Dec 2026
Tax Status: —
Color: Blue

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FORD RANGER

2.0L · Diesel · Orange

First Used: Mar 2021
MOT Expiry: 10 Jun 2027
Tax Status: —
Color: Orange

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AUDI A4 S LN BLK ED 40 TFSI MHEV SA

2.0L · Petrol · White

First Used: Mar 2021
MOT Expiry: 07 Jul 2026
Tax Status: —
Color: White

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AUDI A4 S LN BLK ED 35 TFSI MHEV SA

2.0L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 16 Jul 2026
Tax Status: —
Color: Grey

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AUDI A4 S LINE 35 TDI MHEV S-A

2.0L · Diesel · White

First Used: Mar 2021
MOT Expiry: 24 Jan 2027
Tax Status: —
Color: White

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AUDI A3 TECHNIK 30 TFSI

1.0L · Petrol · White

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

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AUDI Q8 S LINE 50TDI MHEV QUATTRO A

3.0L · Diesel · Grey

First Used: Mar 2021
MOT Expiry: 08 Mar 2026
Tax Status: —
Color: Grey

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AUDI A5 S LINE 40 TFSI MHEV S-A

2.0L · Petrol · White

First Used: Mar 2021
MOT Expiry: 10 Mar 2027
Tax Status: —
Color: White

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AUDI A4 S LINE 35 TDI MHEV S-A

2.0L · Diesel · Blue

First Used: Mar 2021
MOT Expiry: 02 Mar 2027
Tax Status: —
Color: Blue

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AUDI A4 S LN BLK ED 35 TFSI MHEV SA

2.0L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 13 Feb 2027
Tax Status: —
Color: Grey

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Apr 2021
MOT Expiry: 15 Apr 2027
Tax Status: —
Color: Black

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AUDI A3 TECHNIK 30 TFSI

1.0L · Petrol · Black

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

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AUDI A3 SPORT 35 TDI S-A

2.0L · Diesel · Blue

First Used: Apr 2021
MOT Expiry: 15 Jan 2027
Tax Status: —
Color: Blue

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AUDI A1 TECHNIK 25 TFSI

1.0L · Petrol · Grey

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

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Mar 2021
MOT Expiry: 09 Oct 2026
Tax Status: —
Color: Black

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

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

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AUDI A3 S LINE EDITION 1 35 TFSI

1.5L · Petrol · Black

First Used: Mar 2021
MOT Expiry: 18 Mar 2026
Tax Status: —
Color: Black

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AUDI A3 S LINE 30 TFSI MHEV S-A

1.0L · Petrol · Grey

First Used: Mar 2021
MOT Expiry: 10 May 2027
Tax Status: —
Color: Grey

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AUDI Q5 SPORT 40 TDI MHEV QUAT S-A

2.0L · Diesel · Black

First Used: Mar 2021
MOT Expiry: 24 Apr 2026
Tax Status: —
Color: Black

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AUDI A4 S LINE BLK ED 35 TFSI MHEV

2.0L · Petrol · White

First Used: Mar 2021
MOT Expiry: 02 Mar 2027
Tax Status: —
Color: White

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AUDI Q5 SPORT 40 TDI MHEV QUAT S-A

2.0L · Diesel · White

First Used: Apr 2021
MOT Expiry: 15 Apr 2027
Tax Status: —
Color: White

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MERCEDES-BENZ SPRINTER 315 PROGRESSIVE CDI

1.9L · Diesel · White

First Used: May 2021
MOT Expiry: 13 May 2026
Tax Status: —
Color: White

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MERCEDES-BENZ SPRINTER 316 PROGRESSIVE CDI

2.1L · Diesel · White

First Used: Mar 2021
MOT Expiry: 03 Feb 2027
Tax Status: —
Color: White

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Jun 2021
MOT Expiry: 02 Jul 2027
Tax Status: —
Color: Black

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: May 2021
MOT Expiry: 30 May 2027
Tax Status: —
Color: Black

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Jun 2021
MOT Expiry: 06 Jul 2026
Tax Status: —
Color: Black

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: May 2021
MOT Expiry: 15 Apr 2027
Tax Status: —
Color: Black

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jul 2021
MOT Expiry: 11 Jun 2027
Tax Status: —
Color: White

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · White

First Used: May 2021
MOT Expiry: 04 Jun 2027
Tax Status: —
Color: White

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: May 2021
MOT Expiry: 20 Apr 2027
Tax Status: —
Color: Black

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: May 2021
MOT Expiry: 07 Mar 2026
Tax Status: —
Color: Black

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Apr 2021
MOT Expiry: 08 Apr 2027
Tax Status: —
Color: Black

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AUDI Q5 S LINE 40 TDI MHEV QUAT S-A

2.0L · Diesel · Blue

First Used: Mar 2021
MOT Expiry: 12 Mar 2027
Tax Status: —
Color: Blue

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Jun 2021
MOT Expiry: 11 Jul 2027
Tax Status: —
Color: Black

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · White

First Used: Apr 2021
MOT Expiry: 24 Jun 2027
Tax Status: —
Color: White

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Apr 2021
MOT Expiry: 19 May 2026
Tax Status: —
Color: Black

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Jun 2021
MOT Expiry: 28 May 2027
Tax Status: —
Color: Black

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jul 2021
MOT Expiry: 02 Dec 2025
Tax Status: —
Color: White

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Jul 2021
MOT Expiry: 20 Jul 2027
Tax Status: —
Color: Black

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 21 Jan 2026
Tax Status: —
Color: White

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 23 May 2026
Tax Status: —
Color: White

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: Mar 2021
MOT Expiry: 23 Mar 2027
Tax Status: —
Color: Black

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jul 2021
MOT Expiry: 19 Jan 2026
Tax Status: —
Color: White

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

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

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 22 Feb 2027
Tax Status: —
Color: White

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AUDI A3 S LINE 40 TFSI E S-A

1.4L · HYBRID ELECTRIC · BLACK

First Used: May 2021
MOT Expiry: 14 May 2027
Tax Status: Taxed
Color: BLACK

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AUDI A6 S LINE BLACK ED 40 TDI SA

2.0L · Diesel · Red

First Used: Mar 2021
MOT Expiry: 23 Mar 2027
Tax Status: —
Color: Red

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MERCEDES-BENZ SPRINTER 314 CDI

1.9L · HEAVY OIL · WHITE

First Used: Jun 2021
MOT Expiry: 29 Jun 2027
Tax Status: —
Color: WHITE

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 12 Sep 2025
Tax Status: —
Color: White

Check History & Specs

AUDI A3 S LINE 40 TFSI E S-A

1.4L · Hybrid Electric (Clean) · Black

First Used: May 2021
MOT Expiry: 12 Feb 2027
Tax Status: —
Color: Black

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 05 Feb 2027
Tax Status: —
Color: White

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AUDI Q5 S LINE 40 TDI MHEV QUAT S-A

2.0L · Diesel · Black

First Used: Mar 2021
MOT Expiry: 13 Sep 2027
Tax Status: —
Color: Black

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AUDI Q7 SLN BLK ED 55 TFSI E QUAT A

3.0L · Hybrid Electric (Clean) · Red

First Used: Apr 2021
MOT Expiry: 29 Apr 2026
Tax Status: —
Color: Red

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

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

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 04 Jun 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 17 Apr 2027
Tax Status: —
Color: White

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 29 Apr 2026
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 24 Jun 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 25 Feb 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 23 Mar 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 08 Apr 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

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

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 24 Jun 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 15 Sep 2026
Tax Status: —
Color: White

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MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 24 Jun 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER 316 PROGRESSIVE CDI

2.1L · Diesel · White

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

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 12 Jun 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 07 Jan 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 25 Jun 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 25 May 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jul 2021
MOT Expiry: 04 Jul 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER 316 PROGRESSIVE CDI

2.1L · Diesel · White

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

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: Jun 2021
MOT Expiry: 13 Jun 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER

1.9L · Diesel · White

First Used: May 2021
MOT Expiry: 31 May 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER 314 PROGRESSIVE CDI

2.1L · Diesel · White

First Used: Mar 2021
MOT Expiry: 04 Apr 2027
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER 314 PROGRESSIVE CDI

2.1L · Diesel · White

First Used: Mar 2021
MOT Expiry: 09 Feb 2025
Tax Status: —
Color: White

Check History & Specs

MERCEDES-BENZ SPRINTER 315 PROGRESSIVE CDI

1.9L · Diesel · White

First Used: Mar 2021
MOT Expiry: 05 May 2026
Tax Status: —
Color: White

Check History & Specs

SEAT LEON FR TSI EVO

1.5L · Petrol · Silver

First Used: Apr 2021
MOT Expiry: 21 Jan 2027
Tax Status: —
Color: Silver

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SEAT LEON FR ETSI S-A

1.0L · Hybrid Electric (Clean) · White

First Used: Apr 2021
MOT Expiry: 06 Apr 2027
Tax Status: —
Color: White

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SEAT ARONA FR ECOTSI S-A

1.0L · Petrol · Grey

First Used: Apr 2021
MOT Expiry: 20 Feb 2027
Tax Status: —
Color: Grey

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SEAT ARONA FR SPORT ECOTSI

1.0L · Petrol · Blue

First Used: Apr 2021
MOT Expiry: 25 Jan 2027
Tax Status: —
Color: Blue

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SEAT ARONA FR SPORT ECOTSI

1.0L · Petrol · White

First Used: Apr 2021
MOT Expiry: 08 Mar 2027
Tax Status: —
Color: White

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MERCEDES-BENZ SPRINTER 314 PROGRESSIVE CDI

2.1L · Diesel · White

First Used: Mar 2021
MOT Expiry: 09 Feb 2027
Tax Status: —
Color: White

Check History & Specs

Reliability & Common Problem Guides for KN21B Makes

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

AUDI Common Problems MERCEDES-BENZ Common Problems FORD Common Problems

Frequently Asked Questions about KN21B Plates

Where was the KN21B number plate series registered?

Vehicles starting with KN21B were assigned to the Northampton covering Northampton, East Midlands. The first two letters (KN) identify the memory tag assigned by the DVLA.

What registration period is KN21B?

The KN21B age identifier corresponds to vehicles first registered between March 2021 to August 2021.

How can I check the MOT history of a KN21B 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.