UK Petrol Prices April 2026: Current Rates and Why They're Falling
UK petrol prices April 2026 — unleaded 134p/litre, diesel 141p/litre. Prices falling on oil slump.
CT
Chandraketu Tripathi
Finance Editor, Kaeltripton
Published8 Apr 2026
Last reviewed14 May 2026
✓ Fact-checked
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⚡ UK Petrol Prices April 2026 — Updated April 2026 Average unleaded (E10): 134p/litre | Average diesel: 141p/litre | Petrol prices fell sharply in early April 2026 as global oil prices dropped on tariff concerns. Cheapest petrol: supermarket forecourts.
UK petrol and diesel prices are determined by global crude oil prices, the dollar/pound exchange rate, UK fuel duty, and VAT. In April 2026, prices fell sharply as global oil prices dropped following US tariff announcements and demand concerns.
UK Petrol and Diesel Prices April 2026
Fuel Type
Average Price (April 2026)
Change vs March 2026
Unleaded (E10)
~134p/litre
Down ~5–8p
Super unleaded (E5)
~145p/litre
Down ~5–8p
Diesel (B7)
~141p/litre
Down ~4–6p
LPG
~85p/litre
Stable
💡 Supermarket forecourts (Asda, Tesco, Sainsbury's, Morrisons) consistently offer the cheapest petrol — typically 3–6p/litre below motorway services and branded forecourts. Use PetrolPrices.com or Zap-Map to find the cheapest local prices.
What Determines UK Petrol Prices?
Component
Approximate % of Pump Price
Notes
Crude oil
35–45%
Set by global markets (Brent crude)
Fuel duty
~39p/litre fixed
Frozen since March 2022
VAT (20%)
~22%
Applied to fuel duty + wholesale price
Retailer margin
5–10%
Varies by forecourt
Refining and distribution
5–10%
Relatively stable
How to Save Money on Petrol UK 2026
Use supermarket forecourts — 3–6p/litre cheaper than branded stations
Use PetrolPrices.com app — find cheapest fuel within a set radius
Fill up mid-week — prices often spike on Thursdays/Fridays before weekends
Drive efficiently — smooth acceleration, correct tyre pressure, remove roof boxes when not in use
Consider electric — home charging costs equivalent to ~20–30p/litre for petrol cars
What is the average petrol price in the UK in April 2026?
Average unleaded (E10) petrol in the UK is approximately 134p/litre in April 2026, down from around 139–142p/litre in February–March 2026. Diesel averages around 141p/litre. Supermarket forecourts offer the cheapest prices.
Why are petrol prices falling in April 2026?
UK petrol prices fell in April 2026 primarily due to a sharp drop in global crude oil prices. US tariff announcements in early April 2026 caused significant falls in oil markets on demand reduction fears, with Brent crude falling sharply from recent levels.
Where is the cheapest petrol in the UK?
Supermarket forecourts — Asda, Tesco, Sainsbury's, and Morrisons — consistently offer the cheapest petrol, typically 3–6p/litre below branded forecourts and motorway services. Use PetrolPrices.com to find the cheapest fuel near you.
When will petrol prices go down UK 2026?
Petrol prices follow global crude oil prices. With oil falling in April 2026, pump prices are expected to continue falling. However, forecourt retailers typically take 1–2 weeks to pass on wholesale price reductions fully.
Sources: RAC Fuel Watch April 2026 · PetrolPrices.com UK average April 2026 · HMRC fuel duty rates · OPEC oil price data April 2026
The content on Kaeltripton.com is for informational and educational purposes only and does not constitute financial, investment, tax, legal or regulatory advice. Kaeltripton.com is not authorised or regulated by the Financial Conduct Authority (FCA) and is not a financial adviser, mortgage broker, insurance intermediary or investment firm. Nothing on this site should be construed as a personal recommendation. Rates, figures and product details are indicative only, subject to change without notice, and should always be verified directly with the relevant provider, HMRC, the FCA register, the Bank of England, Ofgem or other appropriate authority before any financial decision is made. Past performance is not a reliable indicator of future results. If you require regulated financial advice, please consult a qualified adviser authorised by the FCA.
CT
Chandraketu Tripathi
Finance Editor · Kaeltripton.com
Chandraketu (CK) Tripathi, founder and lead editor of Kael Tripton. 22 years in finance and marketing across 23 markets. Writes on UK personal finance, tax, mortgages, insurance, energy, and investing. Sources: HMRC, FCA, Ofgem, BoE, ONS.
