Fleet management costs and more specifically, total cost of ownership (TCO) measures the true cost of a vehicle, including all associated expenses like acquisition and maintenance.
An accurate TCO calculation can help your company determine when to replace fleet vehicles or consider transitioning to leased vehicles. It’s important to measure TCO carefully because a misleading calculation can provide false insight into the cost of your assets and lead to damaging financial decisions.
How do you calculate fleet total cost of ownership?
Ernst & Young (E&Y) conducted an in-depth study on TCO in 2012 and determined the major cost categories for this measurement include cost of capital, maintenance, asset depreciation, licensing and vehicle administration. In the study, E&Y chose to measure TCO in cost per mile (CPM).
We created a free vehicle replacement calculator to help you instantly calculate the total cost of ownership and cost per mile for an asset in your fleet, and find the optimal replacement window.
Cost of Capital
Capital costs are the most overlooked cost metric, particularly for small- to medium-sized businesses who purchase assets using cash. When businesses acquire assets without needing financing, it is often assumed this does not need to be included in the TCO calculation. But, contrary to that belief, businesses must account for this opportunity loss of money, in other words, the loss of a potential greater return had the money been used differently.
The E&Y study found that economies of scale influence total cost of ownership. The greater the fleet size, the lower the TCO per unit (if measuring by cost per mile). A couple reasons this is true is because larger fleets tend to have greater negotiating power with dealerships and realize more maintenance efficiencies.
Smaller sized fleets could use economies of scale to their advantage by being more intentional through purchasing equipment more efficiently, realizing better resale values, improving cost forecasting and using more knowledgeable maintenance technicians.
The cost to maintain a vehicle or asset increases over its lifetime. In fact, E&Y found maintenance costs to increase exponentially as assets age, with the greatest increases happening in the first and seventh year of the asset. According to a study by Automotive Fleet, repair costs average $14.80 per vehicle when in service one year and increase to $68.62 per vehicle after being in service for over three years. Many fleets may choose to sell a vehicle after its seventh year of service while it still maintains some of its value.
Of course, age is not the sole predictor of maintenance costs. The quality and consistency of asset maintenance also affects its cost over time. The cost of downtime is recommended to be included in TCO calculations as well.
Choose a trusted maintenance service provider to ensure maintenance quality during the lifetime of your vehicles.
As fuel is the largest budget item for many fleets, tracking fuel costs and consumption is essential to getting an accurate picture of your TCO. Each of your assets requires some form of fuel to operate, and the costs can vary wildly depending on the vehicle type, fueling location, and of course the fluctuating fuel economy.
While fuel might seem like an inevitability, you can identify cost-savings opportunities simply by tracking your fuel expenses. A full picture of your fleet’s fuel spend will give you insights into assets that are underperforming or help you identify potential situations of fuel theft.
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The value of your asset decreases over time as it undergoes greater wear and tear. Companies often calculate depreciation under the assumption it will be valued $0 at the end of its predicted useful life. Typically, however, assets can be valued at 20 percent of its purchase price after five to six years of useful life and 10 percent of its purchase price after ten years.
When purchasing new assets, consider purchasing those with lower depreciation rates so that they maintain a greater residual value in the future once you’re ready to sell.
Licensing and Vehicle Administration
Don’t forget to incorporate your licensing and vehicle administration costs in your TCO calculation. These costs may vary from one fleet to another. Carefully consider all associated costs in your calculation.
For reference, E&Y calculated the average total cost of ownership based on cost category and type of vehicle. Their findings are shown in the table below:
|Class 8 tractors ($/mi)
|Class 6 & 7 trucks ($/mi)
|Reefer trailers ($/mi)
|Dry van trailers ($/mi)
Source: Stella, Donna, et al. Own or Lease: Are You Making the Right Choice for Your Truck Fleet?, Ernst & Young, 2012
Tips for calculating Fleet TCO
Use numbers specific to your fleet
While it’s tempting to calculate your TCO using another fleet’s metrics, the result can be misleading. One fleet may vary from another in terms of economy of scale, number of assets, quality of maintenance, asset use and more, which can affect TCO calculations.
Also, using numbers from another fleet can introduce bias since a person may choose metrics that seem aligned with their fleet based on what they think or would like their metrics to be but may not be in reality.
If you have a fleet maintenance software, all of your fleet data will be available here for number crunching.
Benchmark to similar fleets
While it’s important to use your own numbers when calculating TCO, it is a good practice to compare your TCO to a similar fleet’s TCO. This can give you a solid idea into how your fleet is performing and whether you are keeping up with your peers.