THE DATA, DECODED

Behind the Data

Myths busted, surprising facts, and money-saving tips - all pulled from 144 million UK MOT tests, sourced and caveated where it matters.

A TASTE OF WHAT’S INSIDE
Myth-Busting
Do diesel cars fail their MOT less often than petrol?
No - diesel actually fails more, 19.2% vs 17.5% for petrol.
Did You Know
How many MOT tests has Bib’s dataset analysed?
144,282,174 - the foundation for every fact on this page.
Money-Saving
How much warning do you get before an ignored advisory becomes a fail?
About 7,536 miles, on average, before it fails.
Fun & Curious
What’s the oldest model year still passing MOTs?
1990 - with 138,936 tests still on record.
FOUR WAYS IN

Pick a Deck to Shuffle Through

Myth-Busting
6 entries

Myth-Busting

Common car-buying assumptions, checked against 144 million MOT tests

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Did You Know
8 entries

Did You Know

Surprising, sourced facts pulled from the national MOT dataset

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Money-Saving
5 entries

Money-Saving

How to use MOT history to avoid an expensive used-car mistake

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Fun & Curious
1 entry

Fun & Curious

The odd and surprising numbers buried in the MOT dataset

Explore

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