Deep dives into MOT failure data — which brands fail most, what breaks at different ages, and what the numbers really mean. Intelligence you won't find anywhere else.
Your car failed its MOT? We analysed 8,120,499 tests to show what happens next, your legal options, and how to avoid getting ripped off on repairs.
Based on 15,568 MOT tests across 5,124 vehicles, we reveal which cars pass their MOT first time. Hyundai i10 leads with 98.9% pass rate.
We analysed 556,424 MOT tests across 48,511 vehicles to find the UK's worst performers. The Nissan Cabstar fails 35% of tests - here's what to avoid.
Analysis of 55,743 MOT tests across 33,078 vehicles reveals how cars deteriorate. Tyres dominate at year 3, brakes worsen by year 5, suspension fails by.
Analysis of 23,652 MOT tests across 4,859 vehicles reveals the mileage tipping points where pass rates collapse. Low-mileage exotics average 96% pass rates.
Based on 8,143,353 MOT tests across 1,091,402 vehicles, we reveal the 10 most common MOT failures in the UK and how to prevent them before test day.
Which cars fail MOT for ABS warning lights? We analysed 4,470,731 MOT tests. The Abarth 500 (2012) shows a 33.91% ABS defect rate vs 0.19% for the Mercedes A-Class (2019).
12,033,448 MOT tests reveal SEAT Mii fails SRS checks at 4.84% while Ford Fiesta manages just 0.05%. The airbag warning light cars that fail most.
We analysed 1,094,771 MOT tests to find which cars have the worst brake wear. The Kia Carens tops the list at 52.4% defect rate, while EVs dominate the best.
Which cars rust worst? We analysed 3,142,385 MOT tests to rank corrosion defect rates. Suzuki SX4 leads at 71%, while 2019 Fiesta manages just 0.18%.
We analysed 6,627,550 MOT tests to find which cars fail most for engine management lights. Jeep Compass hits 4.86%, Honda Jazz just 0.08%.
Which cars fail MOT emissions tests most? Analysis of 7,326,912 MOT tests reveals Peugeot 208s fail at 7.3% vs VW Golf's 0.06% rate. Repair costs, causes, buying tips.
Peugeot 208s fail MOTs 17% of the time for exhaust defects. We analysed 6,025,230 MOT tests to find which cars have the worst exhaust problems in the UK.
Dacia and Renault cars fail MOT horn tests at 70x the rate of Ford Focus. Analysis of 9,084,001 MOT tests reveals which brands skimp on horn quality.
We analysed 2,533,041 MOT tests to find which cars fail most for light defects. The Citroen Grand C4 Picasso has a 46.95% light defect rate vs just 0.99%.
Analysis of 2,465,055 MOT tests reveals the Citroën DS4 fails for number plate issues 20% of the time. See which cars have the cleanest plates.
Which cars leak oil most? We analysed 5,364,064 MOT tests across 40 variants. Chevrolet Captiva leads at 19.74% defect rate vs VW Polo at just 0.17%.
Analysis of 4,895,704 MOT tests reveals which cars fail for parking brake defects. Chrysler 300 has 17.52% defect rate vs VW Golf's 0.08%.
Ford Tourneo Connect has an 11.64% seatbelt defect rate. We analysed 3,696,328 MOT tests to reveal which cars fail most - and which are safest.
Which cars fail MOT on shock absorbers most? We analysed 4,524,955 MOT tests. The Abarth 500 has a 33.81% shock absorber defect rate vs just 0.18% for the.
Which cars fail MOTs for steering defects? Analysis of 6,286,446 MOT tests reveals Nissan Qashqai and Hyundai Santa Fe rack up track rod failures at 5x VW.
Ford EcoSport leads suspension failures at 28.57% defect rate. Analysis of 3,937,482 MOT tests reveals which cars suffer coil spring and CV boot failures most.
Tesla Model 3s dominate the worst list with 58% tyre wear defect rates. We analysed 981,746 MOT tests to reveal which cars shred tyres fastest.
We analysed 942,169 MOT tests to find which cars fail most for windscreen and wiper defects. Citroen Berlingo tops the list at 18.4%, while Peugeot 2008s.
Real MOT data from 392,067 tests across 54,579 vehicles reveals which brands pass and which fail. Toyota vs BMW debate settled with hard numbers.
MOT advisories explained with real data from 1,498 tests. Learn the difference between advisory, minor, major and dangerous defects.