Research and analysis

Vehicle Market Surveillance Unit emissions testing results, 2023

Findings from the vehicle emissions testing done during 2023 to check vehicles conformed to European emission standards.

• From: Driver and Vehicle Standards Agency
• Published: 23 November 2023
• Last updated: 17 February 2026 — See all updates

Documents

Vehicle Market Surveillance Unit: results of the 2023 emissions programme

HTML

Car (diesel) data, 2023

ZIP, 209 MB

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Car (petrol) data, 2023

ZIP, 175 MB

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Light van data, 2023

ZIP, 120 MB

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Car (plug-in hybrid electric) data

ZIP, 374 MB

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Car (self-charging hybrid) data, 2023

ZIP, 135 MB

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HGV data, 2023

ZIP, 35.4 MB

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PSV data, 2023

ZIP, 27.7 MB

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Details

This report provides results from the 30 vehicles tested in the 2023 vehicle emissions testing programme.

This included:

• diesel cars
• petrol cars
• light vans
• plug-in hybrid electric vehicles (PHEV)
• self-charging hybrid cars
• heavy goods vehicles (HGVs)
• public service vehicles (PSVs)

They’re carried out by the Vehicle Market Surveillance Unit, part of the Driver and Vehicle Standards Agency.

Published 23 November 2023

Last updated 17 February 2026 + show all updates

1. 17 February 2026

   Added emissions testing reports and data for the following vehicles: - Alfa Romeo Stelvio (diesel cars) - Alfa Romeo Tonale (self-charging hybrid cars) - DAF LF 180 (HGVs) - Hyundai Tucson (plug-in hybrid electric vehicles)

2. 23 November 2023

   First published.