Calculators
EV Fleet vs Petrol Fleet TCO Calculator
Compare the total cost of ownership of electric and petrol fleet vehicles over their life: purchase, energy, maintenance, incentives and resale.
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The tool
Enter your numbers below. Results update as you type, and nothing leaves your browser.
Everything you enter stays on your own machine. Nothing is sent to us or to anyone else, which you can confirm in your browser network tab.
What people use it for
- Fleet electrification business cases
- Comparing vehicle replacement options
- Sustainability planning
- Budget approvals
About this tool
What the EV Fleet vs Petrol Fleet TCO Calculator does
Electric vans and cars usually cost more to buy but less to run: electricity per mile is typically cheaper than fuel, and maintenance is lower with fewer moving parts. Total cost of ownership over the vehicles’ life shows which is cheaper for your mileage and prices.
It also works as a EV fleet vs gas fleet TCO calculator.
Formula
- TCO = purchase − incentives + charger + energy + maintenance − resale
- Energy (EV) = lifetime miles ÷ miles per kWh × price per kWh
- Energy (petrol) = lifetime miles ÷ mpg × fuel price
Worked example
Using the starting values in the calculator above:
| Input | Value |
|---|---|
| Vehicles | 10 |
| Years of ownership | 6 |
| Miles per vehicle per year | 20,000 |
| EV price | $48,000 |
| EV incentives per vehicle | $0.00 |
| EV efficiency | 2.8 miles per kWh |
| Electricity price per kWh | $0.16 |
| EV maintenance per mile | $0.06 |
| EV resale value | 35% |
| Petrol vehicle price | $38,000 |
| Petrol vehicle fuel economy | 22 mpg |
| Fuel price per gallon | $3.60 |
| Petrol maintenance per mile | $0.11 |
| Petrol resale value | 35% |
| Charger installation per vehicle | $2,500 |
| Result | Value |
|---|---|
| Lower total cost | Electric |
| Fleet saving with EVs (negative = petrol cheaper) | $97,792 |
| EV fleet TCO | $477,571 |
| Petrol fleet TCO | $575,364 |
| EV cost per mile | $0.40 |
| Petrol cost per mile | $0.48 |
How to read the result
High-mileage vehicles benefit most from electrification because running cost savings scale with miles.
Depot charging on off-peak tariffs is usually far cheaper than public charging; model your real charging mix.
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Questions
Questions about this tool
The things clients actually want to know — costs, timelines, ownership and what happens after launch.
Usually per mile, thanks to lower energy and maintenance costs, though purchase prices are often higher.
The full cost of a vehicle over its life, including purchase, running costs and resale.
Generally yes: no oil changes and less brake wear from regenerative braking.
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