┌─ About whatbreaks ────────────────────────────────────────┐
whatbreaks is a used car risk analysis tool for the UK market. It uses Monte Carlo simulation to project likely repair costs over your ownership period, helping you make informed buying decisions.
Rather than relying on subjective reliability ratings, whatbreaks uses real failure data from the DVSA MOT testing programme to model component failure probabilities as a function of mileage.
┌─ Data sources ────────────────────────────────────────┐
DVSA MOT Bulk Data (2023)
42 million test records and 89 million failure items from data.gov.uk. Filtered across 107 vehicle generations covering 91 model groups.
42 million test records and 89 million failure items from data.gov.uk. Filtered across 107 vehicle generations covering 91 model groups.
Component failure analysis
Real failure rates derived from MOT advisory and failure items, mapped to specific components (ball joints, coil springs, brake pads, etc.) with mileage-at-failure statistics.
Real failure rates derived from MOT advisory and failure items, mapped to specific components (ball joints, coil springs, brake pads, etc.) with mileage-at-failure statistics.
Mechanical estimates
Non-MOT-testable items (timing chains, turbos, clutches, DMF) use industry-standard failure distributions calibrated to each vehicle model.
Non-MOT-testable items (timing chains, turbos, clutches, DMF) use industry-standard failure distributions calibrated to each vehicle model.
┌─ Supported vehicles (107 generations / 91 models) ────────────────────────────────────────┐
Ford Focus Mk2/Mk3, Fiesta Mk7, Kuga Mk1/Mk2,
Mondeo Mk4, EcoSport
VW Golf Mk5/Mk6/Mk7, Polo Mk5, Tiguan Mk1/Mk2,
Passat B7, T-Roc, Up
BMW 3 Series E90/F30, 1 Series F20, 5 Series F10,
X1 E84/F48, X3 F25, 2 Series F22
Audi A3 8P/8V, A4 B8, A5 B8, A6 C7, A1,
Q3 8U, Q5 8R, TT Mk3
Honda Civic Mk8, Jazz Mk2, CR-V Mk3/Mk4
Toyota Yaris Mk2/Mk3, Corolla E210, Auris Mk2,
RAV4 Mk4, C-HR, Aygo Mk1
Vauxhall Astra Mk5/J, Corsa D/E, Insignia Mk1, Mokka
Nissan Qashqai J10/J11, Juke Mk1, Micra K13,
Note E12, X-Trail T32, Leaf Mk1
SEAT Leon Mk3, Ibiza Mk4, Ateca
Skoda Octavia Mk3, Fabia Mk2/Mk3, Superb Mk2, Yeti
Hyundai i30 GD, Tucson TL, i10 Mk2, i20 Mk2
Kia Sportage Mk3, Ceed Mk2, Picanto Mk2,
Rio Mk3, Niro
Renault Clio Mk4, Megane Mk3, Captur Mk1
Peugeot 208 Mk1, 308 Mk1/Mk2, 3008 Mk2, 2008 Mk1
Citroen C3 Mk3, C4 Cactus, DS3
Mercedes C-Class W204/W205, A-Class W176, E-Class W212
Land Rover Evoque L538, Discovery Sport, Freelander 2
Mini Cooper F56
Mazda 3 BM, CX-5 Mk1, 2 DJ, 6 GJ
Volvo V40, XC60 Mk1, V60 Mk1
Mitsubishi Outlander Mk3, ASX
Fiat 500
Dacia Sandero
Suzuki Swift
Jaguar XE
Lexus IS 300h