By fuel · Diesel cars
Diesel cars, by MOT.
UK diesel-fuelled cars by MOT pass rate. Diesel particulate filters and EGR valves are the recurring failure pattern across the segment.
Segment pass rate
77.0%
Weighted across 830 models · 28,554,069 diesel cars tests
Most-tested diesel models.
Top 30 in this fuel segment by raw diesel-test volume. Pass rate is the model's overall first-time rate — including its non-diesel tests where the model is multi-fuel.
No. 01
Ford Transit
69.3%
1,115,717
No. 02
Volkswagen Golf
78.6%
799,671
No. 03
Volkswagen Transporter
74.0%
574,608
No. 04
Ford Focus
74.2%
547,540
No. 05
Nissan Qashqai
75.4%
521,129
No. 06
BMW 3 Series
78.7%
520,926
No. 07
Mercedes Benz C
80.5%
477,701
No. 08
Mercedes Benz E
82.5%
414,467
No. 09
Audi A3
80.1%
400,759
No. 10
Vauxhall Vivaro
66.7%
396,679
No. 11
Ford Kuga
82.1%
382,068
No. 12
Mercedes Benz Sprinter
72.7%
363,872
No. 13
Vauxhall Astra
72.5%
354,436
No. 14
Ford Fiesta
72.3%
353,989
No. 15
Audi A4
78.7%
330,874
No. 16
Land Rover Range Rover Evoque
86.3%
315,095
No. 17
Citroen Berlingo
67.7%
309,489
No. 18
Vauxhall Insignia
74.9%
307,998
No. 19
Mercedes Benz A Class
80.8%
306,993
No. 20
Volkswagen Tiguan
84.3%
304,912
No. 21
Ford Transit Connect
72.4%
302,151
No. 22
Land Rover Discovery
79.0%
300,958
No. 23
Volkswagen Passat
76.2%
296,386
No. 24
Land Rover Range Rover Sport
86.1%
284,303
No. 25
Ford Mondeo
73.2%
278,806
No. 26
Volkswagen Caddy
75.7%
275,773
No. 27
Kia Sportage
80.6%
275,214
No. 28
Ford Ranger
79.4%
257,828
No. 29
Peugeot Partner
69.7%
252,992
No. 30
Land Rover Defender
73.7%
235,388