EV Fleet Savings Calculator (UK)

Compare EV vs diesel TCO and pence-per-mile for UK fleets in minutes.

UK fleets save up to £1,200 per vehicle per year. *

EVDataCompare.com

Get started

Open the calculator, adjust your inputs, then get a report.

Start my savings checkFree, <2 minutes, no commitment.Prefer to start with your own tariffs? Open the TCO calculator.

Notes (UK V1)

  • ✓Currency locked to GBP (£)
  • ✓Includes price escalation and discount rate
  • ✓Tailored email report on request

How the savings are calculated? *

Defaults assume 12,000 miles/year, 0.30 kWh/mile, electricity at 30p/kWh and diesel at £1.65/litre over 36 months. Price escalation, a discount rate and real-world variability are baked in.

Use your own prices

Select “Use my price” to enter your own energy and fuel costs. The tool instantly recalculates the savings based on your inputs.

What you’ll receive

Receive a snapshot email outlining pence-per-mile, whole-life cost and per-vehicle savings so you can brief stakeholders fast.

Updated August 2025 assumptions (RAC Fuel Watch, TfL, GOV.UK, HMRC). Get your email-ready snapshot in under 2 minutes.