Guides
Plain guides to what the records say about a used car: MOT advisories, write-off categories, clocking, ULEZ, what a free check shows and how a remap works.
MOT advisories explained: what they mean and what to do
An MOT advisory is a fault the tester noted that did not fail the car. What the common ones mean, which matter when buyi…Write-off categories A, B, S and N explained
Category A and B write-offs never return to the road. Category S and N can be repaired and sold. What each means for val…How to check if a car has been clocked using its MOT history
Clocking is winding back the odometer to add value. The MOT history records mileage at every test since 2005, so a drop …What is an ECU remap? Stages, gains, risks and insurance
An ECU remap rewrites the engine calibration for more power and torque. What Stage 1 and Stage 2 mean, typical gains, th…What a free car check shows, and what it cannot
A free DVLA and MOT check shows tax, MOT status and history, make, engine, fuel, colour and CO2. It cannot show finance,…ULEZ check: is your car compliant and what you pay if not
Most petrol cars from 2006 and diesels from September 2015 meet the London ULEZ standard. Non-compliant cars pay £12.50 …
An MOT advisory is a fault the tester noted that did not fail the car. What the common ones mean, which matter when buyi…Write-off categories A, B, S and N explained
Category A and B write-offs never return to the road. Category S and N can be repaired and sold. What each means for val…How to check if a car has been clocked using its MOT history
Clocking is winding back the odometer to add value. The MOT history records mileage at every test since 2005, so a drop …What is an ECU remap? Stages, gains, risks and insurance
An ECU remap rewrites the engine calibration for more power and torque. What Stage 1 and Stage 2 mean, typical gains, th…What a free car check shows, and what it cannot
A free DVLA and MOT check shows tax, MOT status and history, make, engine, fuel, colour and CO2. It cannot show finance,…ULEZ check: is your car compliant and what you pay if not
Most petrol cars from 2006 and diesels from September 2015 meet the London ULEZ standard. Non-compliant cars pay £12.50 …
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