How to Use a Gas Price App to Plan Your Route
Find lower-priced stations along your driving route and estimate total fuel costs before you leave.
To plan a route with a gas price app, search along your drive for stations and prices, then use a trip calculator to estimate total fuel cost. A gas price app is a driving tool that lists fuel prices near you or along a route so you can choose where to stop. You enter a start point and destination, review the routes shown, and compare prices before leaving.
Small choices about stops, vehicle details, and route settings can change the estimate.
Verification note: Program terms and availability can change. This page was checked against linked sources on November 03, 2026.
Find stations along your drive
The GasBuddy Help Center explains that route search starts with Find Gas and the direction icon, as described in its search-along-route guide. The steps are short and work best when you already know your destination. The same Help Center notes that routes cannot be customized, so you choose from the displayed routes.
Pick lower-priced stations already on your path to avoid detours that erase savings.
- Open the app, tap Find Gas, then tap the direction icon on the search bar.
- Enter a destination and select one of the suggested routes.
- Review the stations and prices shown along that drive.
Estimate your total fuel cost
The GasBuddy Help Center lists the trip calculator inputs in its trip cost calculator guide. You enter a start, destination, one-way or round-trip choice, vehicle city and highway mpg and tank size if unlisted, plus fuel type, then select Calculate My Trip. GasBuddy reports that the tool estimates total trip fuel cost from current prices along the route after you enter start, destination, and vehicle make and model.
AAA Club Alliance also offers a gas cost calculator that estimates fuel costs for an upcoming trip so drivers can set a travel budget. Enter your vehicle details carefully because mpg and fuel type shape the result. If your car is not listed, add mpg and tank size manually before calculating.
Compare vehicles and driving choices
The U.S. Department of Energy notes that FuelEconomy.gov has a trip calculator that compares fuel costs for a specific route across vehicle models. Drivers can adjust the fuel price and the share of city-versus-highway driving.
That comparison helps when you have access to more than one car. A smaller car may cost less on highways, while traffic and local roads can shift the math. Use the city-highway adjustment to match your actual trip.
A mostly highway drive with steady speeds will differ from a trip with many local stops.
Check efficient routes and nearby prices
Google Maps Help describes a Prefer fuel-efficient routes setting paired with a selected engine type in its fuel-efficient routes help. The app highlights the efficient alternate with a green leaf using traffic, simplicity, and road conditions. AAA Club Alliance notes that its Gas Price Finder takes a city, state, or ZIP to show nearby fuel prices updated daily.
Its mobile app adds directions with Apple CarPlay and Android Auto support. Check the efficient-route option alongside station prices when both matter. A slightly longer drive to a cheaper pump can cost more than staying on the efficient path.