How Much Does It Really Cost to Run a Truck in 2026?

The Numbers That Matter

According to the American Transportation Research Institute (ATRI), the average cost to operate a Class 8 truck across for-hire carriers is $2.26 per mile as of 2024 — the most current industry benchmark available. That includes everything: fuel, driver wages, truck payments, maintenance, insurance, and overhead.

For a truck running 100,000 miles per year, that's approximately $226,000 in total annual operating costs. Understanding where that money goes — and where you can control it — is the difference between profitability and trouble.

Breaking Down the $2.26 Per Mile

ATRI's data breaks total operating cost into these major categories:

Maintenance: The Cost You Can Actually Control

Repair and maintenance averages $0.198 per mile industry-wide — roughly $16,192 per truck per year according to ATRI. But this average masks huge variation. Well-maintained fleets benchmark at $0.12–$0.18 per mile, while fleets with deferred maintenance can exceed $0.25 per mile.

The difference? Preventive maintenance discipline. ATRI data shows that fleets with structured PM programs experience fewer breakdowns and lower per-mile maintenance costs, because planned repairs at standard labor rates are dramatically cheaper than emergency repairs at premium rates. Industry data suggests reactive repairs cost 3–9x more than planned maintenance, with emergency repairs carrying 150–200% cost premiums.

For a deeper dive on tracking your maintenance costs, see our guide: How to Calculate Maintenance Cost Per Mile.

The Small Fleet Cost Disadvantage (and How to Close It)

Here's a number most small fleet owners don't know: ATRI data shows that fleets with fewer than 25 trucks handle only 48.2% of their maintenance in-house. Larger fleets (1,000+ trucks) handle 62.4% in-house.

This matters because external shop labor rates run $125–$175 per hour compared to $45–$75 per hour for in-house maintenance. Small fleets are structurally paying more per repair simply because they outsource more of the work.

You can't change that overnight, but you can close the gap by being disciplined about PM to avoid emergency outsourcing, building strong relationships with 2–3 local shops and negotiating rates, tracking every repair cost per unit to identify trucks that are bleeding money, and stocking common parts (filters, belts, fluids) to reduce emergency markups.

Insurance: The Fastest-Rising Cost

Insurance has hit record levels. ATRI reports insurance costs at $0.102 per mile in 2024 — and premiums have risen 47% since 2010 for fleets of 1–20 trucks. This is one of the biggest pressure points for small fleet operators.

What helps: clean CSA scores (which digital DVIRs and PM compliance directly support), telematics-based safety coaching, and shopping your policy at renewal instead of auto-renewing.

How to Calculate Your Own Cost Per Mile

The formula is simple: total all operating costs for a period, then divide by total miles driven in that same period.

The key is being honest about what's included. If you only count fuel and truck payments, you'll lie to yourself. Include everything: fuel, insurance, payments, maintenance, tires, tolls, permits, and your own time. Track it monthly so you can spot trends before they become problems.

If your CPM is $1.70 and you're hauling at $2.10/mile, you have margin. If your CPM is $1.90 and you're hauling at $1.85, you're losing money even if gross revenue looks good.

Sources: American Transportation Research Institute (ATRI) 2025 Operational Costs of Trucking Report; Fleet Equipment Magazine; Fleet Maintenance Magazine ATRI 2025 analysis; TACH USA CPM breakdown; TruckingWay CPM Calculator (2026).