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Data reveals common reasons for MoT failures

Servicing Stop's chief executive and founder, Oly Richmond

Audi cars are the most likely to pass an MoT first time, closely followed by BMW.

Research by Servicing Stop reveals that 86% of Audi passed first time with BMW having an 86% success rate. 

Chevrolets were found to be the most likely to come up short, with a one in four chance of MoT failure (26%). The most common reason Chevrolet vehicles failed tests were issues with lighting bulbs (21%)

Across all brands, suspension issues are the most common reason for MoT failure (24%) - this accounts especially for Jaguar models that failed (33%).

The most common reasons for failing an MoT are:

  1. Suspension 24%
  2. Bulb 19%
  3. Brakes 17%
  4. Tyres 13%
  5. Windscreen wipers/washer 11%
  6. Exhaust 5%
  7. Drive shaft 3%
  8. Engine diagnostics 3%
  9. Indicator 3%
  10. Lamp alignment/assembly 2%
  11. Number plate 1%

Land Rovers and Kia models are most likely to fail as a result of their brakes, (30% and 27%). Mini’s have had more problems with the exhaust than any other model (8% of all exhaust fails were Mini’s) while BMW MoT failures - despite infrequent - were often due to tyre wear (20%). 

The company also discovered which models are most likely to pass an MoT and those likely to fail.

The Audi A1 was the best performer followed by the Mercedes-Benz E Class and the Audi TT.

The Toyota Prius also made an appearance in the top five alongside the Skoda Octavia while the worst performing models included the Peugeot 308, Fiat Grande Punto and the Citroen C4 in last place. By analysing the data of 29,790 randomly selected MoTs carried out by the company since January 2017

Servicing Stop’s chief executive and founder Oly Richmond (pictured) said: “It’s great to see the number of MoT failures decreasing more and more every year, now just 10% overall. Motorists are spending more time looking after their vehicles and more drivers than ever before are opting for interim check-up services throughout the year to ensure their motors are in top shape

“If motorists are to take anything away from this data it should be to do a pre-MoT check, especially on that suspension!”

The full results are as follows: 

Audi A1

Fail: 10%

Pass: 90%

Mercedes-Benz E Class 

Fail: 11%

Pass: 89%

Audi TT

Fail: 11%

Pass: 89%

Toyota Prius

Fail: 12%

Pass: 88%

Skoda Octavia

Fail: 14%

Pass: 86%

Nissan Juke

Fail: 14%

Pass: 86%

BMW 5 Series

Fail: 14%

Pass: 86%

Audi A6

Fail: 15%

Pass: 85%

Vauxhall Insigna 

Fail: 15%

Pass: 85%

Seat Leon

Fail: 15%

Pass: 85%

Mercedes-Benz C Class

Fail: 15%

Pass: 85%

Citroen C1

Fail: 15%

Pass: 85%

BMW 1 Series

Fail: 15%

Pass: 85%

Ford Transit 

Fail: 15%

Pass: 85%

Audi A3

Fail: 16%

Pass: 84%

Volkswagen Beetle

Fail: 16%

Pass: 84%

Suzuki Swift

Fail: 16%

Pass: 84%

Mazda 6

Fail: 16%

Pass: 84%

Fiat 500

Fail: 17%

Pass: 84%

Toyota Aygo

Fail: 17%

Pass: 83%

BMW 3 Series

Fail: 17%

Pass: 83%

Vauxhall Vectra

Fail: 17%

Pass: 83%

Ford Mondeo

Fail: 17%

Pass: 83%

Peugeot 107

Fail: 18%

Pass: 82%

Nissan Quashquai 

Fail: 18%

Pass: 82%

Volkswagen Golf

Fail: 18%

Pass: 82%

Suzuki Alto

Fail: 18%

Pass: 82%

Vauxhall Zafira

Fail: 18%

Pass: 82%

Mazda 3

Fail: 18%

Pass: 82%

Audi A4

Fail: 18%

Pass: 82%

Saab 93

Fail: 19%

Pass: 81%

Skoda Fabia

Fail: 19%

Pass: 81%

Toyota Yaris

Fail: 19%

Pass: 81%

Honda Civic

Fail: 19%

Pass: 81%

Seat Ibiza

Fail: 19%

Pass; 81%

Ford Fiesta

Fail: 19%

Pass: 81%

Toyota RAV4

Fail: 19%

Pass: 81%

Toyota Avensis

Fail: 19%

Pass: 81%

Vauxhall Meriva 

Fail: 19%

Pass: 81%

Citroen C3

Fail: 19%

Pass: 81%

Fiat Panda

Fail: 19%

Pass: 81%

Vauxhall Astra

Fail: 19%

Pass: 81%

Volkswagen Passat

Fail: 20%

Pass: 80%

Kia Ceed

Fail: 20%

Pass: 80%

Land Rover Freelander

Fail: 20%

Pass: 80%

Hyundai I10

Fail: 20%

Pass: 80%

Honda CRV

Fail: 20%

Pass: 80%

Volkswagen Polo

Fail: 20%

Pass: 80%

Ford KA

Fail: 20%

Pass: 80%

Citroen Berlingo

Fail: 21%

Pass: 79%

Ford Focus

Fail: 21%

Pass: 79%

Citroen C4 Picasso

Fail: 21%

Pass: 79%

Mercedes-Benz A Class

Fail: 21%

Pass: 79%

Nissan Note

Fail: 22%

Pass: 78%

Mini Hatch

Fail: 22%

Pass: 78%

Kia Picanto

Fail: 22%

Pass: 78%

Honda Jazz

Fail: 22%

Pass: 78%

Vauxhall Corsa

Fail: 23%

Pass: 77%

Renault Clio 

Fail: 23%

Pass: 77%

Renault Megane 

Fail: 23%

Pass: 77%

Peugeot  307

Fail: 24%

Pass: 76%

Nissan Almera

Fail: 24%

Pass: 76%

Fiat Punto

Fail: 24%

Pass: 76%

Citroen Xsara

Fail: 24%

Pass: 76%

Renault Scenic

Fail: 25%

Pass: 75%

Peugeot  207

Fail: 25%

Pass: 75%

Nissan Micra

Fail: 25%

Pass: 75%

Toyota Corolla 

Fail: 25%

Pass: 75%

Peugeot 206

Fail: 27%

Pass: 73%

Fiat Grande Punto

Fail: 28%

Pass: 73%

Peugeot 308

Fail: 28%

Pass: 72%

Citroen C4

Fail: 29%

Pass: 71%

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