Data Studies
Original research and analysis based on millions of real MOT test results. Data-driven answers to the questions car buyers and owners actually have.
We analysed 40M MOT tests to find the models that still pass deep into their teens — the best proxy for 200k-mile survivors. Here are the 5 standouts and what fails at the finish line.
Across 25M MOT tests, EVs fail 37.7% less often than petrol cars. Here’s what EVs still fail on, what they avoid entirely, and the models that stand out.
DVSA MOT data from 1.5M tests shows the Fiesta Mk8 cuts failures by ~65% vs the Mk7. Here’s what Ford fixed, the years to target, and what to check before you buy.
1.7M MOT tests at ~5 years old show BMW, Audi and Mercedes fail 75%+ more often than Lexus and Honda — and the gap isn’t just tyres.
MOT data analysis ranks manufacturers by suspension failure rate, reveals a 32× gap between best and worst, and flags the mainstream models most likely to fail.
Data study based on 40.7 million DVSA MOT tests to reveal the 20 cars and vans most likely to fail their next MOT, plus practical steps to reduce your risk.
Using DVSA MOT data to find the best first cars with low fail rates between 6 and 9 years old, plus practical buying tips for new drivers and parents.
DVSA data analysis showing how MOT fail rates rise as cars age, when the risk jumps, and the sweet spot for buying a used car.
Analysis of 40.7 million DVSA MOT tests to find the 20 most reliable used cars at MOT between 6 and 9 years old, plus buying tips and maintenance advice.
A data-led breakdown of the most common MOT failures in 2023 – by category and specific defect – plus which issues are easy fixes, which are expensive, and how to avoid them.