How it works: every MOT test records the odometer. Line up all of a car's readings in date order and clocking has nowhere to hide, mileage that falls, or leaps implausibly between tests, is a flag. Motorworthy runs this check on every car automatically.
Why it matters
A clocked car isn't just dishonestly priced, its service schedule is wrong, its wear parts are older than they look, and its history is a lie. Industry estimates put clocked vehicles in the hundreds of thousands on UK roads. The odometer sequence is the single cheapest way to catch it, and it's free.
What we flag
Mileage falls between tests✕ flagged
Implausible jump for the gap✕ flagged
Steady, consistent readings✓ verified
Only one reading on recordinsufficient data, we say so
A flag isn't a conviction, data-entry errors happen. It means: ask hard questions and check the paper history before buying.
Run it on any car, live now.
Type a plate, see its full mileage history checked reading-by-reading. Free.