TCO Analysis: How Converting Diesel Trucks to Electric Reduces Your Fleet Costs by 30%

Dominik Ashkar, CEO HEERO Motors vor HEERO Minibus

TCO Analysis: How Converting Diesel Trucks to Electric Reduces Your Fleet Costs by 30%

16.05.2025

10

Minutes

Max Knirsch

Product Expert

16.05.2025

10

Minutes

Max Knirsch, Product Expert at HEERO Motors

Max Knirsch

Max Knirsch

Product Expert

Rising diesel prices and CO2 taxes are impacting your bottom line. A complete TCO analysis of the fleet by converting diesel transporters to electric shows potential savings of over 30% in operating costs. Find out how to future-proof your trusted Mercedes-Benz Sprinter while benefiting at the same time.

The topic briefly and concisely

Converting from diesel to electric drive reduces operating costs per kilometer by about 33% due to lower energy and maintenance costs.

Government subsidy programs such as KsNI were able to cover up to 80% of the additional costs until 2024, significantly accelerating the amortization.

The D2E conversion protects your investments in expensive specialized setups and is an active contribution to the circular economy that conserves resources.

For fleet operators in Germany, the pressure to switch to locally emission-free drive systems is constantly growing. Legal requirements and rising operating costs for diesel vehicles demand a strategic realignment. The HEERO conversion offers a pragmatic and economically superior solution. Instead of purchasing expensive new vehicles and discarding proven vans with special bodies, our approach enables the continued use of your existing vehicle base. This analysis shows how you can significantly reduce the total cost of ownership (TCO) of your fleet and prepare for the future through targeted electrification.

Cost Drivers in Focus: Why Diesel Fleets Are Under Pressure

The economic framework conditions for operating diesel commercial vehicles are continuously tightening. Starting January 1, 2025, the CO2 price in Germany will rise to 55 euros per ton, which increases the price of diesel by another 3 cents per liter. In total, the CO2 surcharge on diesel thus adds up to over 17 cents per liter, directly driving up operating costs.

At the same time, locally emission-free commercial vehicles benefit from significant advantages. A decisive relief is the exemption from the truck toll, which applies to electric vans until the end of 2025 and noticeably reduces mileage costs. This combination of rising levies for fossil fuels and direct savings for electric vehicles creates a strong incentive for a swift transition. For logistics companies and municipalities, analyzing the total cost of ownership (TCO) of the fleet by converting diesel vans to electric is therefore no longer an optional step, but a business necessity. The strategic decision to electrify the fleet secures competitiveness for the years to come.

These financial incentives are specifically designed to accelerate the transition and set the course for sustainable logistics.

The TCO truth: Retrofitting far outperforms buying new

A comprehensive total cost of ownership (TCO) analysis reveals that converting an existing diesel van to an electric drive is often the most economical solution. While the purchase price of a new electric van can exceed 55,000 euros, the conversion protects the budget and, above all, your existing investments. Especially for vehicles with expensive specialized bodies, as are common in trade businesses or municipalities, the HEERO conversion prevents a capital loss of tens of thousands of euros.

Operating costs are the decisive factor where electromobility demonstrates its strengths. A study shows that the operating costs per kilometer for an electric van in Germany are only 10 cents, compared to 15 cents for a diesel. This corresponds to a direct saving of 33%. Here is a detailed comparison of the key TCO factors:

  • Energy costs: Electricity costs for 100 km are approx. 6-8 euros, while diesel costs for the same distance can be up to 15 euros.

  • Maintenance costs: Electric drives have fewer wear parts. Maintenance costs are up to 40% lower because oil changes, exhaust system, and clutch maintenance are eliminated.

  • Taxes & levies: Vehicle tax is waived for electric vehicles for up to 10 years, and the toll exemption until the end of 2025 provides further savings.

  • Investment protection: Your expensive and customized bodies remain fully preserved and ready for use.

  • Residual value: By continuing to use the chassis, its value is preserved, while the battery can be viewed as a separate component, making the residual value calculation more transparent.

The payback calculation for electrification shows that the investment often pays off after just a few years. These facts make conversion the first choice for forward-thinking fleet managers.

Technological Advantage: The HEERO D2E Conversion Process in 10 Days

The conversion of a diesel van into a state-of-the-art electric vehicle is a standardized and efficient process at HEERO that is completed in just 10 days. We focus on the proven basis of the Mercedes-Benz Sprinter to guarantee reliability and high availability of spare parts. Our patented conversion kit replaces the combustion engine and all associated components with a powerful electric drive.

The result is a vehicle that is in no way inferior to a new vehicle in terms of performance. With a peak output of up to 245 hp and a practical WLTP range of up to 425 kilometers, our converted Sprinters are ideally equipped for demanding operations in logistics and trade. Retaining the original chassis and body ensures that the payload and cargo volume remain virtually unchanged. A cost-effective conversion to electric drive is thus possible without compromising on functionality.

This technological approach enables companies to modernize their fleets quickly and without the long delivery times of new vehicles. This makes the transition to electric mobility predictable and smooth.

Government funding as a TCO lever: up to 80% applied until 2024

The Federal Government has supported the transition to clean commercial vehicles with funding programs that significantly reduced investment costs. A central instrument was the funding program "Climate-friendly Commercial Vehicles and Infrastructure" (KsNI). Under the funding calls, companies and municipalities could receive reimbursement for up to 80% of the additional investment costs for electrification. The guideline ran until 2024; no new funding calls are planned.

Such funding is a crucial lever to positively influence the total cost of ownership (TCO) of the fleet by converting diesel vans to electric. They reduce the initial financial barrier and accelerate amortization. The following funding opportunities were particularly relevant:

  1. KsNI Program: Subsidized the additional costs of purchasing or converting electric commercial vehicles as well as the required charging infrastructure.

  2. Tax Advantages: In addition to exemption from vehicle tax, companies benefit from advantageous regulations on company car taxation for electric vehicles.

  3. Regional Programs: In addition to the federal programs, some federal states such as Baden-Württemberg offered their own grants for the purchase of electric trucks and the establishment of charging infrastructure.

  4. KfW Loans: The Kreditanstalt für Wiederaufbau (KfW) offers low-interest loans to finance electric fleets and charging points.

A thorough review of available funding is an essential part of any TCO analysis. We support you in finding the right programs for your project and in sustainably reducing operating costs.

More than just costs: Emission-related and operational advantages of e-mobility

The decision to convert goes far beyond pure cost savings. It is a clear commitment to the circular economy and sustainability. Instead of scrapping a fully functional vehicle, you extend its life cycle by many years. This approach conserves valuable resources, reduces waste, and significantly lowers the CO2 emissions that would be generated during the production of a completely new vehicle.

Operationally, your drivers and your company benefit from further advantages. The converted electric vans are quiet and low-vibration, which increases driving comfort and reduces noise pollution in urban areas. In addition, you retain unrestricted access to all low-emission and zero-emission zones that already exist or are planned in German and European cities. This guarantees you maximum flexibility and operational reliability for the years to come. A sustainably modernized fleet also improves your corporate image and positions you as a responsible partner among customers and the general public.

The conversion is therefore a holistic solution that combines economic rationality with emission reduction.

Conclusion: Making your fleet future-proof and increasing profitability

The comprehensive total cost of ownership (TCO) analysis clearly proves: converting diesel vans to electric drive is the smartest strategic decision for many fleet operators. It reduces operating costs by up to 33%, protects valuable investments in special bodies, and objectively takes the current funding situation into account. With a range of up to 425 km and a fast conversion process of just 10 days, the HEERO conversion solution offers a powerful and pragmatic alternative to an expensive new purchase.

Through the principles of the circular economy, you act not only economically but also sustainably and future-oriented. HEERO is your innovative partner accompanying you through the transformation of your fleet. In this way, you unlock competitive advantages and make an active contribution to climate protection. Request a personal consultation or book a real-world test at zero cost to experience the performance of our electric vans for yourself.

HEERO Motors. Electric solutions for real-world, high-demand use cases.

HEERO Motors GmbH, Kurfürstenstraße 1, 80801 Munich.

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© 2026 HEERO Motors. All rights reserved.

© 2026 HEERO Motors. All rights reserved.