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Vehicle Total Cost of Ownership Calculator

Enter your vehicle figures to see the true annual cost — not just purchase price, but depreciation, fuel, maintenance, insurance, and downtime combined.

Vehicle data

Full cost including VAT and delivery.
£
Estimated resale/scrap value at end of life.
£
How many years you plan to operate this vehicle.
yrs
Estimated miles driven per year.
mi
Fuel/energy cost per mile (diesel, petrol, EV).
£/mi
Servicing, tyres, parts, and repairs per year.
£
Commercial vehicle insurance premium.
£
Annual Vehicle Excise Duty.
£
Days the vehicle is off the road unexpectedly.
days
Revenue or cost per day the vehicle earns/saves.
£/day
All calculations run locally in your browser. Your numbers never leave this page.

Total cost of ownership

Live
True annual cost
£12,740
£1 per mile · over 5 years
Depreciation (annual)£4,000
Fuel / energy£3,000
Maintenance£1,200
Insurance£1,400
Road tax / VED£340
Downtime cost£2,800
Cost breakdown
Depreciation (annual)31.4%
Fuel / energy23.5%
Maintenance9.4%
Insurance11.0%
Road tax / VED2.7%
Downtime cost22.0%
Depreciation

Why depreciation dominates

For most vehicles, depreciation is 35–50% of total annual cost. A new van that costs £28k and is worth £8k in 5 years costs £4,000/year before you drive it anywhere.

(Purchase − Residual) ÷ Life years
Downtime

The hidden downtime cost

Every day a vehicle is off the road unexpectedly has a direct cost — missed jobs, hire vehicles, or idle staff. Multiply days down by your day rate to quantify this.

Downtime days × Day rate value
Cost/mile

Cost per mile as a benchmark

Fleet industry typical cost per mile ranges from 35–55p for vans. If your number is outside this range, dig into which cost category is high.

Total annual cost ÷ Annual mileage

Track fleet costs automatically.

AssetOS logs every service, repair, and downtime event across your fleet — so your TCO is always up to date, without the spreadsheet.

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