A record of updates to price, specification and equipment data, added models and new features. Data is refreshed every month against manufacturer announcements and government data.
Reviewed values flagged by the spec checks and corrected battery capacities of 8 Japanese EVs, Prius prices, and Ranger, Seltos and Telluride dimensions to official figures
Published this changelog page
Added a data-driven summary at the top of each compare page: price position, unique equipment, effective price and standout specs
US fuel economy and range now shown on the EPA basis (mpg and miles, with km/L and km); 251 trims corrected against EPA data
Introduced automated spec checks (unit mix-ups, impossible values, inconsistencies between grades), run every month
Added 199 US models and reorganized the US market into 22 segments (271 US models)
Confirmed the sales status of every added US model and removed discontinued ones
Added 344 US trims and began matching each vehicle photo's generation to the data
Non-manufacturer sources, model years and estimates are now labeled on each page
Full catalog check; added the new Pajero, the electric GLC and others
Added operator information, image credits and site-wide automated checks
Published a page for product planners
Per-model voices can now be collected from compare pages and are shown in Voice
Added an organizer dashboard and Excel export for idea calls
Removed discontinued models and applied price revisions
Launched Voice for owners and shoppers, with anonymity built in for posters and respondents
Home page now has a market selector and shows the data update date
Now covering every passenger car on sale in Japan (198 → 327 models)
Refreshed the full JP and US catalogs with new models and current-generation photos
Added Large Sedan and Subcompact Car segments and the Tesla Model 3
Expanded the US market to 9 segments and 29 models, with equipment for every grade
Published the upcoming models page; added the e VITARA, Murano and ES90
Added the Nissan Leaf (3rd generation) and BYD Sealion 7
Updated stale models, including the redesigned Elgrand, RAV4, CX-5, CLA and Lexus ES
Published the user guide, FAQ, segment guide, glossary, methodology and about pages
Every page is now available in Japanese and English
Started US market comparisons (compact sedans)
Added source links, Excel export and synced horizontal scrolling
Added driver-assistance feature levels, 2WD/4WD variants and model search
Added 66 models to cover the main Japanese new-car market
Launched SEGMENT·SCOPE with segment-by-segment competitive comparisons (price spectrum, specs, equipment)