How to Compare Car Rental Prices in 2026: Fees, Fuel, Tolls and Coverage

The cheapest advertised rental-car rate is not always the cheapest rental. Airport surcharges, fuel rules, toll programs, mileage limits, additional drivers, one-way fees and optional coverage can materially change the final price.

Compare the total rental cost, not the base rate

The Federal Trade Commission advises travelers to compare the full cost of a rental rather than only the advertised daily rate. Taxes, fees and optional products can increase the amount significantly. Review the FTC car-rental guidance.

Check airport surcharges

Airport rentals can be convenient, but surcharges may apply even when the company uses an off-airport shuttle lot. Compare an airport pickup with a city location only after adding the transport cost and time required to reach the alternative location.

Understand the fuel policy

Many rental agreements require the car to be returned with a full tank. A prepaid-fuel option can be convenient but may cost more if you return the vehicle with unused fuel. Check the policy before accepting it and keep fuel receipts when useful.

Check mileage limits

Unlimited mileage is common, but it is not universal. Some vehicle categories or rental conditions may have limits. Estimate the distance you expect to drive and confirm whether excess-mileage charges could apply.

Understand toll programs before driving

Rental companies may offer electronic toll programs, but the service structure varies. The FTC notes that travelers can encounter per-day service fees, one-time rental-period fees or transaction fees in addition to the toll itself. Compare the rental company’s program with the toll options available where you will drive.

Check one-way and drop-off fees

Returning a vehicle to a different location can add a substantial fee. When planning a multi-city trip, compare the one-way rental cost with rail, flights or separate local rentals before deciding.

Do not assume you need every coverage product offered at the counter

Rental companies sell optional insurance and damage-waiver products, but you may already have some protection through personal auto insurance, an employer policy or a credit card. Coverage varies, so check your existing policies before travel instead of guessing at the counter.

Expect a card authorization hold

Rental companies commonly place a hold on a debit or credit card for more than the estimated rental amount. This can temporarily reduce the available balance or credit. Check the provider’s deposit and payment policy before arrival.

Protect your personal data in connected rental cars

Modern vehicles can store phone numbers, contacts, call logs, messages and navigation destinations after a phone is paired. The FTC recommends deleting personal data before returning a connected rental vehicle.

Use a comparison checklist

• Total rental price
• Taxes and mandatory fees
• Airport surcharge
• Fuel policy
• Mileage allowance
• Toll program
• Additional-driver fee
• One-way or drop-off charge
• Optional coverage
• Card authorization hold
• Cancellation terms

Compare live car-rental options

Use the My Prime Travel car-rental page to compare partner availability, then verify the full terms shown by the provider before payment. My Prime Travel may earn a commission from selected partner bookings at no extra cost to you.