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Truck Maintenance Cost Per Mile & Repair Reserve Calculator

A blown turbo shouldn't blow up your week. Enter your miles, your truck's odometer, and what you spent on upkeep last year to see your real maintenance cost per mile against the ATRI fleet average — and exactly how much to set aside per mile, per week, and per year for repairs and tires.

Recommended reserve
Per year
Per week
Your cost / mile
Enter your numbers to see your maintenance cost per mile and reserve.
Recommended reservePer milePer year

A planning estimate, not a guarantee of your repair bills. The reserve is a TruckMargin model anchored to the ATRI fleet average — your actual costs depend on the truck, how it's run, and luck. Size your set-aside with it; keep receipts for the real deductions.

Want your total yearly budget by service instead of a per-mile rate? Use the truck maintenance cost per year calculator — it itemizes your annual PM schedule (oil, tires, brakes, DPF cleaning) into a yearly and monthly figure.
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What the average truck spends on upkeep (ATRI 2025 update, 2024 data)

The American Transportation Research Institute tracks real fleet costs every year. In 2024, repair & maintenance and tires together ran about $0.245 per mile — roughly $24,500 a year at 100,000 miles. That's the fleet-wide average across new and old trucks; yours moves with the odometer.

Cost componentATRI 2024 ($/mile)Per 100,000 miles
Repair & maintenance$0.198$19,800
Tires$0.047$4,700
Combined upkeep$0.245$24,500

Source: ATRI, An Analysis of the Operational Costs of Trucking: 2025 Update (2024 figures). R&M fell 2% from $0.202 in 2023; tires rose 2.2%. ATRI flagged R&M ticking back up ~2.8% in early 2025.

Why a per-mile reserve beats a flat guess

Maintenance cost per mile is low while the truck is young and under warranty, then climbs hard as the odometer passes 600,000–700,000 miles and big-ticket aftertreatment, injector, and transmission work shows up. A reserve that rises with mileage keeps cash ready for the repair that's actually coming. TruckMargin's reserve model, anchored to the ATRI average:

Truck odometerReserve ($/mile)Per year @ 100k mi
Under 250,000 mi (often under warranty)~$0.13~$13,000
250,000 – 500,000 mi$0.13 → $0.22$13,000 → $22,000
500,000 – 750,000 mi$0.22 → $0.33$22,000 → $33,000
750,000 – 1,000,000 mi$0.33 → $0.44$33,000 → $44,000
Over 1,000,000 mi~$0.47~$47,000

A planning heuristic, not measured data for your specific truck — it interpolates smoothly between bands. Around 600,000 miles it lands near the $0.245 fleet average; newer trucks sit below it, high-mileage trucks above.

Typical big-ticket truck repair costs (2026)

The fleet average is smooth; your actual repair bills are lumpy. The per-mile reserve above exists to absorb the big, unscheduled jobs below — any one of which can hit in a single week. These are typical 2026 ranges including parts and labor (dealer diesel labor runs about $150–$175/hour); your quote varies by engine, brand, mileage, and shop.

Repair / partTypical 2026 cost
Turbocharger replacement$2,000 – $4,000+
DPF cleaning (off-truck service)$450 – $900
DPF replacement$3,000 – $8,000
DOC / oxidation catalyst$2,000 – $5,000
Fuel injectors (remanufactured set)$1,500 – $4,500
Clutch replacement$1,650 – $3,000
Drive-tire set (6 tires, tandem tractor)$2,000 – $4,500
In-frame engine overhaul$15,000 – $25,000
Out-of-frame engine overhaul$25,000 – $40,000+

Typical ranges compiled June 2026 from industry repair-cost guides: Millennials Maintenance (2026 repair costs by type) and TruckClub heavy-duty rebuild costs, corroborated by DPF, tire and clutch cost guides (SPELAB, Filtertherm, Repairius). Planning estimates only — get a shop quote for your truck. A single big repair in a year is why your cost per mile can run well above the $0.245 average.

How the calculator works

  1. Your cost per mile = what you spent on maintenance and tires in the last 12 months ÷ your annual miles.
  2. Recommended reserve rate comes from your truck's odometer on the model above, rising smoothly with mileage.
  3. Yearly reserve = reserve rate × your annual miles; divide by 52 for a weekly set-aside off each settlement.
  4. The split applies ATRI's ~81% repair & maintenance / ~19% tire share so you can see how much of the reserve is tires.

Frequently asked questions

How much per mile should I set aside for repairs?

Start at the ATRI combined average of about $0.245/mile and adjust for your odometer — roughly $0.13 under 250k miles, near average around 600k, and $0.40+ past 900k. Set it aside every settlement so it's there when the truck needs it.

Does this include preventive maintenance and tires?

Yes — the benchmark and the reserve cover routine PM, repairs, and tires. It does not include the truck payment, insurance, or fuel; those live on the cost-per-mile, insurance, and diesel tools.

My cost per mile is way above $0.245 — is that bad?

Not necessarily. High-mileage and out-of-warranty trucks routinely run $0.30–$0.45/mile, and a single big repair year skews it. Compare against the age-tiered reserve, not just the fleet average, and watch the trend over several months.

How much does it cost to maintain a semi truck per year?

At ATRI's 2024 fleet average of about $0.245/mile, upkeep runs roughly $24,500 a year at 100,000 miles — before any single big repair. A turbo, DPF, or clutch job can add thousands in one year, and an in-frame overhaul runs $15,000–$25,000, which is why a mileage-scaled reserve beats a flat monthly budget.

What do big semi-truck repairs cost — turbo, DPF, clutch, overhaul?

Typical 2026 ranges: turbo $2,000–$4,000; DPF cleaning $450–$900 or replacement $3,000–$8,000; a reman injector set $1,500–$4,500; clutch $1,650–$3,000; drive-tire set $2,000–$4,500; in-frame overhaul $15,000–$25,000. See the table above and size your reserve to absorb them.

Is there a yearly maintenance budget or PM-schedule calculator?

Yes — this page prices maintenance per mile; for a full-year budget by service (PM oil changes, tires, brakes, DPF cleaning) use our truck maintenance cost per year calculator. It itemizes the annual preventive-maintenance schedule and splits it into a monthly set-aside.

Methodology & sources

Benchmark figures from ATRI's An Analysis of the Operational Costs of Trucking: 2025 Update (repair & maintenance $0.198/mi, tires $0.047/mi, total operating cost $2.260/mi for 2024), corroborated by Fleet Maintenance. The per-mile reserve model is TruckMargin's own planning heuristic, anchored to that fleet average and scaled by odometer; it is an estimate, not a quote or a guarantee of repair costs. Last updated July 2026. Built by TruckMargin.