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EV Fleet vs Fuel Fleet: How Much Can You Really Save?

If you’re managing a business fleet, there’s one question that matters most: how much does it cost to run? As fuel prices rise and sustainability becomes non-negotiable, electric vehicles (EVs) are proving to be the smarter choice for UK businesses.

Let’s break down how EVs compare to petrol and diesel fleets on cost.

1. Fuel vs Charging Costs

Petrol/Diesel Fleet:

Average UK fuel cost: £1.32 per litre.
Cost per mile: Typically 14–20p, depending on vehicle efficiency.
Fuel price volatility: Subject to global oil markets, geopolitical tensions, and supply disruptions.

Annual fuel spend per vehicle (based on 10,000 miles): Approximately £1,500–£2,000.

Electric Fleet:

Home charging cost: Around 17p per kWh (off-peak).

Public charging cost: Approximately 30p per kWh.

Cost per mile: Roughly 3–5p depending on vehicle and tariff.

Annual electricity cost per vehicle (based on 10,000 miles): Around £300–£500.

Potential savings: £1,200–£1,700 per year, per vehicle in fuel alone.

Even lower costs: Possible with smart charging, solar integration, or free charging at workplaces/supermarkets.

2. Maintenance Costs

EVs have no oil, fewer moving parts, and require less frequent servicing.
Studies suggest EVs cost 30–50% less to maintain than ICE vehicles.

3. Environmental and Brand Benefits

Fuel Fleet:

High CO2 emissions contribute to urban air pollution and potential non-compliance with clean air zone (CAZ) standards.
Increasing pressure from stakeholders and consumers for sustainable business practices.

Electric Fleet:

Zero tailpipe emissions help businesses meet sustainability goals and ESG benchmarks.
Demonstrates commitment to corporate responsibility, potentially attracting eco-conscious clients and investors.
Eligible for preferential treatment in clean air zones, reducing or eliminating CAZ charges.

Non-Monetary Value: Enhanced brand reputation, future-proofing against stricter environmental regulations.

Long-Term ROI

While the upfront cost of an EV may be higher, the total cost of ownership over 5 years is significantly lower, especially with incentives like the Workplace Charging Scheme offering up to £14,000 towards installation.

Find out more about the UK Government's Workplace Charging Scheme grant in our blog: UK Government Extends Home and Workplace EV Charging Grants – What This Means for Drivers.