Intelligence & Tools
We believe consumer intelligence should be free, fast, and interactive. Explore our suite of advanced calculators and historical databases designed to help you make smarter automotive decisions.
Vehicle Matchmaker
Our flagship recommendation engine. Adjust sliders for Fuel Efficiency, Safety, and Reliability to find your perfect vehicle from over 50,000 configurations.
Total Cost of Ownership
Calculate the true 5-year cost of owning a vehicle, accounting for localized state fuel/electricity rates, depreciation heuristic models, and estimated insurance.
Lease vs. Buy Calculator
Demystify automotive financing. Model loan amortization against lease money factors to determine your true 'Net Cost' over a standard term.
Hybrid Break-Even Tool
Thinking of paying a premium for a hybrid? This tool calculates exactly how many years and miles it will take for the fuel savings to offset the higher purchase price.
Fleet Carbon Calculator
Build a virtual garage of your current vehicles to estimate your annual CO2 footprint. See how many mature trees are required to offset your emissions.
Road Trip Calculator
Plan your next journey. Calculate the exact fuel cost and volume required to drive any specific vehicle across the country.
MPG Hall of Fame
The ultimate leaderboard. Discover the Top 50 most efficient gasoline/hybrid vehicles and the Top 50 pure electric vehicles ever tested by the EPA.
Historical Archive
Travel back in time. Select any year from 1984 to 2026 to see the #1 most efficient vehicle produced across every single EPA vehicle class.