Fleet fuel costs: the numbers, every week
In the week of 26 October 2026 diesel averaged 199.2p a litre, so a 36 mpg van cost 25.2p a mile in fuel. These free tools use government data to show what fuel costs your fleet, what HMRC allows, and how much a lower speed saves. We make speed limiters, so cutting fuel bills is what we do.
Company car tax
Benefit in kind rates and a calculator for drivers and employers, 2026/27 to 2030/31, with the fuel benefit charge. Figure: electric cars, 2026/27.
£620HGV running costs
HGV cost per mile with fuel, operator licence, annual test, vehicle tax and levy, plus your own costs. Figure: levy and tax, Euro VI 44t artic.
$6.35US diesel and gas prices
US diesel and gasoline prices this week and every week since 1994 (EIA), yearly averages, records and a truck and van fuel cost calculator. Figure: diesel a gallon this week.
199.2pUK fuel prices
Diesel and petrol prices this week, every week since 2003, record highs, monthly averages and fuel duty. Figure: diesel a litre this week.
26.32pEV charging cost
Cost to charge an electric car or van at home, at the depot and on public chargers: per charge, per mile and per year, against diesel. Figure: home electricity per kWh.
£5,000Electric van break-even
Is an electric van worth it? Total cost against diesel over the years you keep it, with the grant, charging, servicing and resale. Figure: plug-in van grant, large vans.
£17.59Fuel cost calculator
Journey fuel cost, your real MPG, your fleet fuel bill and mpg to litres per 100 km, at this week's pump prices. Figure: 100 miles at 45 mpg in petrol.
14.5%Speed and fuel
How much less fuel a vehicle uses at a lower speed, and what a speed cap saves your fleet.
25.2pFleet Cost Index
Diesel, petrol and electric cost per mile every week since 2003. Diesel van fuel this week, at 36 mpg.
16pHMRC advisory fuel rates
Company car rates from 1 September 2026, the archive, and the real cost per mile. Next change 1 December 2026.
55pHMRC mileage rates
Approved mileage rates for 2026/27 and a claim calculator for employees using their own vehicles.
Questions people ask
What is the cheapest way to cut a fleet fuel bill?
Slow down on fast roads. On DfT's fuel curves a diesel van uses 14.5% less fuel per mile at 60 mph than at 68 mph, and a speed limiter holds that for every driver on every journey.
How often are these figures updated?
Fuel prices every Tuesday, when the Department for Energy Security and Net Zero publishes them. HMRC rates on the day HMRC changes them.
Can I use this data?
Yes. Each page has a citation and a download. Please credit AutoKontrol and link to the page.
Sources and method
Work it out in the calculator above.
DfT's fuel curves show a diesel van at 60 mph uses 14.5% less fuel per mile than at 68 mph.
Free consultation: we go through your numbers and show what limiting would save.
Talk to us about cutting your fuel bill
Speed limiters for vans, cars, HGVs and buses, made in Britain since 1985. Nationwide installation in the UK, where we come to you, and supply and support for fleets worldwide through our engineers and partners.
Limit the speed and track every van
TrackSpeed puts an AutoKontrol speed limiter and GPS tracking in one device, with one installation and one subscription.
See TrackSpeed