Car Guides & Reliability Data

Browse reliability data, model reports, and expert guides based on real MOT test results.

Reliability Data

Brand-level MOT pass rate analysis across 75+ manufacturers. Compare failure rates, find the most reliable brands, and see how each performs against the national average based on millions of real MOT test results from the DVSA database.

Model Reports

Detailed reliability reports for individual vehicle models. Each report covers MOT pass rates by year, common failure points, mileage analysis, and year-on-year reliability trends based on official test data.

ULEZ & Emissions

Guides covering Ultra Low Emission Zone compliance, Clean Air Zone requirements, Euro emission standards, and which vehicles meet current regulations across UK cities.

MOT & Roadworthiness

Expert guidance on MOT test preparation, common failure categories, advisory notices, and how to maintain your vehicle's roadworthiness between annual tests.

Engine Maintenance

Practical maintenance guides covering engine care, service intervals, common mechanical issues, and preventive maintenance tips to extend your vehicle's lifespan.

Safety Data

Vehicle safety information including recall notices, safety ratings, common safety-related MOT failures, and guidance on critical safety components.

Known Issues

Documented common problems by vehicle make and model. Find known faults, manufacturer service bulletins, and owner-reported issues to watch for when buying or maintaining a vehicle.