Every tool runs on the same dataset.
Search 853,870 cars, 233,450 motorcycles, 84,300 boats and 171,100 tire fitments — then compare, decode and check VINs, validate tire sizes, check tire DOT codes and plan EV transitions. Everything below ships on the free plan.
Pick a tool. The data is already there.
Each tool is also reachable as a REST endpoint and an MCP tool — same records, same IDs.
Vehicle Database
1,342,720 records across cars, motorcycles, boats and tire sizes — with year-aware search, shortlist CSV export and saved searches with email alerts.
Explore →Comparison Tool
Compare up to 3 vehicles side by side for free — across categories, no account required, shareable by URL.
Explore →Tire Finder
Make → model → year wizard, or a VIN, returning OEM sizes plus alternates validated against the ±3% diameter rule.
Explore →Reverse Tire Search
Enter a tire size, get every vehicle that runs it — OEM and compatible alternates.
Explore →Tire DOT Check
Enter the DOT code from a tire sidewall to see how old the tire is, the plant that made it and the NHTSA tire recalls covering that plant and week. Free.
Explore →VIN Decoder & Check
Decode any 17-character VIN, then check its model year: recalls, complaint ranking with the best and worst year, service bulletins and warranty extensions, fatal crashes, fuel cost at EIA prices and tire sizes. Free.
Explore →Model Year Diff
Pick two model years of the same vehicle and see exactly which specs changed — engines, trims, fuel types.
Explore →EV & Hybrid Database
6748+ electric and hybrid vehicles with dedicated BEV/PHEV/hybrid filtering and EPA range data.
Explore →Boat HIN Lookup
Decode a boat's Hull Identification Number: the builder from its U.S. Coast Guard code, the build month and model year, the Coast Guard recalls filed for the builder and the accidents reported under the hull. Free.
Explore →Gas vs Electric Cost Calculator
Two vehicles' EPA consumption against every state's latest EIA gasoline, diesel and electricity price: a year of driving, ranked state by state. Free.
Explore →EV Transition Advisor
Tell us what you drive — get BEV, PHEV and full-hybrid alternatives matched to your body style and drivetrain.
Explore →Fleet Management & Recall Tracking
Your fleet as a curated list — recall exposure dashboard, daily NHTSA email digest, and the same list over REST and MCP for AI agents.
Explore →One vehicle database, from question to answer
Filter
Combine make, model, year range, market, body, fuel, drivetrain and engine filters, including a dedicated EV/hybrid toggle.
Inspect
Open any record for the full spec sheet: engine, body, trim, drivetrain, the versions of its trim, recalls and tire fitments.
Shortlist & alert
Save vehicles to lists, export a shortlist or comparison to CSV or PDF, or save a search and get an email when new matching records arrive.
Four datasets, one set of IDs
Cars
Body type, fuel, drivetrain, engine and trim, with EV/hybrid filtering and EPA enrichment.
Motorcycles
Sport, cruiser, touring, adventure and more, with EPA engine specs where certified and NHTSA recalls, complaints and service bulletins.
Power boats
Length, horsepower, hull and fuel specifications for marine vessels, plus U.S. Coast Guard recalls and HIN decoding.
Tire fitments
OEM and alternate sizes with computed geometry, ±3% diameter fitment validation and NHTSA tire recalls by size.
Every filter in the workspace is a query parameter for your systems (GET /v1/cars?make=Toyota&body=SUV&year_min=2022) and an MCP tool for AI agents.
Your first API call is 3 minutes away.
Create an account, grab a token in the dashboard, query the data. The free tier is real — no card, no trial clock.
100 free API calls every month · REST API + MCP server on every plan · No card to start · See pricing