Check Your Car's Mileage — Odometer History & Clocking Detection

What Is Odometer Fraud (Clocking)?

Clocking (also called odometer fraud) is tampering with a car's odometer to show a lower mileage than it has actually travelled. A low-mileage car commands a premium price — sometimes £1,000–5,000 more than the same car with higher miles. This financial incentive drives dishonest sellers to clock vehicles.

How Clocking Works

Modern cars have digital odometers that are harder to tamper with than old mechanical ones. However, specialist equipment exists to alter electronic odometer readings. A clocked car might show 80,000 miles when it has actually done 150,000 miles.

Clocking is illegal and is considered fraud. If you buy a clocked car and later discover it, you have grounds to claim against the seller under consumer protection laws.

The Telltale Sign: MOT History

Every time a car is tested for MOT, the mileage is recorded by the DVSA and stored permanently on the national database. This creates an independent, unalterable timeline of the car's mileage going back approximately 20 years.

A car with a clocked odometer will have an obvious mileage inconsistency in its MOT history.For example:

How to Check Mileage Using MOT History

1. Get the MOT history — check free on DVLA or use a VEHIXA report for the full timeline.
2. Look at the annual progression — normally increases by 8,000–15,000 miles per year. Average is ~10,000 miles/year.
3. Spot anomalies — any backwards jump, sudden jump, or unusual gap is a red flag.
4. Cross-check with the seller's story — if they claim low mileage due to minimal use, the MOT history should show a plateau, not a jump.
5. Compare to the physical car — wear on the steering wheel, pedals, seats, and gear stick should match the mileage.

Red Flags When Checking Mileage

• Mileage decreases between MOTs — impossible unless the odometer was tampered with
• Huge jumps between consecutive tests — e.g., 50,000 miles added in one year (suspicious unless long-distance use)
• MOT history doesn't match advertised mileage — seller claims 80,000 miles but MOT says 120,000
• No MOT history available — newer cars have less history, but a 10-year-old car with no records is suspicious
• Large gaps in MOT testing — indicates the car was off the road or records are incomplete

Physical Signs of High Mileage

A clocked car might have a low odometer reading, but physical wear cannot easily be hidden:

• Worn steering wheel — hands constantly rub the same spots; high mileage cars show significant wear
• Worn brake and accelerator pedals — shiny, worn rubber or indented metal is a sign of heavy use
• Worn seats — fabric worn thin, bolsters compressed, springs showing — indicates many journeys
• Dashboard cracking — UV and mileage both accelerate cracking in the dashboard plastic
• Gear stick worn — the grip where fingers rest wears smooth with high mileage
• Engine wear patterns — oil sludge, carbon deposits, and mechanical wear increase with miles

What's Normal Annual Mileage?

As a rough guide for UK driving:

What to Do If You Suspect Clocking

1. Do not buy the car
2. Report the seller to the Motor Ombudsman or Trading Standards
3. Report the vehicle to the DVLA if the records appear tampered with
4. If you have already bought a clocked car, you can claim under consumer protection laws or pursue the seller legally

Bottom Line

Always check MOT history before buying a used car. The mileage timeline is immutable and independent. Run a VEHIXA report to see years of mileage data instantly — it will flag any inconsistencies automatically.