Fleet Management · 9 min read

Fleet Fueling Service vs Fuel Cards

Fuel cards are convenient. Fleet fueling service is cheaper. The question is: at what volume does the math flip, and what hidden costs does each option carry? Here is the honest breakdown for Florida fleets.

Fuel cards (WEX, Fleetcor, Comdata) and fleet fueling services (on-site bulk delivery) are the two dominant ways commercial fleets manage fuel in Florida. They are fundamentally different products — and most fleet managers use one without ever running the numbers on the other. Here is the full cost comparison, including factors that rarely appear in the brochures.

How each option works

Fleet fuel cards work like a corporate credit card restricted to fuel purchases. Drivers fuel at participating retail stations. The fleet manager gets a consolidated billing report with transaction-level detail. Popular networks include WEX, Fleetcor, and Comdata — each with slightly different station coverage and reporting features.

Fleet fueling service (also called on-site fueling or bulk delivery) means a tanker truck delivers fuel directly to your yard, depot, or job site. Vehicles are fueled at the source — no driver runs to a gas station. Fuel is typically dispensed directly into each vehicle or into an on-site storage tank your drivers access at shift start.

Per-gallon cost comparison

This is the central question and the answer is clear: at meaningful fleet volumes, bulk delivery is cheaper — often significantly so.

Fueling methodTypical per-gallon cost (South FL, 2026)
Retail pump (no card)$3.35–$3.60
Fuel card (WEX, Fleetcor)$3.15–$3.45 (after rebates)
Bulk delivery (1,000–5,000 gal/mo)$2.95–$3.15
Bulk delivery (5,000–20,000 gal/mo)$2.80–$3.00
Bulk delivery (20,000+ gal/mo)$2.65–$2.90

Fuel card rebates typically range from $0.02 to $0.08 per gallon — not nothing, but far less than the $0.35 to $0.70/gal discount available to bulk delivery accounts. The rebate math is also opaque: cards often push "premium" programs that unlock better rebates only if you hit volume thresholds the average fleet never reaches.

Hidden costs of fuel cards

The per-gallon comparison is only part of the story. Fuel cards carry costs that rarely appear in the pitch deck:

Hidden costs of fleet fueling service

Fleet fueling is not costless either. Common friction points include:

When fuel cards are the right answer

Fuel cards are not always the wrong answer. They make clear sense when:

The hybrid approach: bulk delivery plus one card per vehicle

Most mid-to-large Florida fleets use a hybrid model: bulk delivery at the home yard for 80–90% of fuel volume, plus a single fuel card per vehicle for exceptions (out-of-area trips, unexpected overnight stops). This captures the bulk savings on the majority of volume while maintaining flexibility for edge cases. The card limit can be set low — $50–$100 per transaction — since it is an exception tool, not the primary fueling method.

For a fleet burning 5,000 gallons per month, shifting 80% to bulk delivery saves approximately $600–$1,000/month versus an all-card approach — enough to justify the switch within the first quarter. Use our fuel cost calculator to run the numbers for your specific fleet, or call Exigo Fuels at (305) 900-6725 to discuss your situation.

Frequently asked questions

Are fleet fuel cards or bulk delivery cheaper for a 20-vehicle fleet in Florida?

For a 20-vehicle fleet burning 5,000+ gallons per month, bulk delivery is almost always cheaper. Typical savings over fuel cards are $0.25–$0.50 per gallon after accounting for card rebates — roughly $1,500–$3,000/month on 5,000 gallons. At smaller volumes (under 1,000 gal/mo), fuel cards may be more practical despite the higher per-gallon cost.

What is the fraud risk with fleet fuel cards?

Industry data puts fleet card fraud at 1–3% of total fuel spend. Common fraud types include card skimming at unmanned pumps, driver pilferage (filling personal vehicles), cloned cards, and authorization exploits at older terminals. Bulk delivery eliminates most of these attack vectors because fuel goes directly from a metered tanker to your equipment with no card transaction.

Can I use both a fuel card and a fleet fueling service?

Yes — a hybrid approach is common and often optimal. Use bulk delivery for your home yard (where you get the volume discount), and keep one fuel card per vehicle at a low per-transaction limit for out-of-area fueling. This captures savings on 80–90% of volume while maintaining flexibility for road trips and unexpected overnight stops.

Do fleet fuel cards offer any advantages over bulk delivery?

Fuel cards have real advantages in specific situations: nationwide coverage for over-the-road trucks, no minimum order requirements, instant setup with no delivery infrastructure, and detailed per-driver transaction reporting. They are the right tool for geographically dispersed fleets, very small volumes, or as a supplemental backup for bulk delivery accounts.

Ready to see your fleet's savings?

Use our free calculator for an instant estimate, or call a fleet specialist for a custom quote based on your exact volume and ZIP.