What is the cheapest petrol in Portsmouth today?

The cheapest petrol in Portsmouth is 172.9p per litre at All Saints Service Station All Saints Service Station, based on 13 stations with live prices. Unleaded (E10) averages 174.8p per litre.

What is the cheapest diesel in Portsmouth today?

The cheapest diesel in Portsmouth is 197.9p per litre at Sainsbury's SAINSBURYS FARLINGTON, based on 13 stations with live prices. Diesel averages 200.0p per litre.

Are supermarket petrol stations cheaper in Portsmouth?

Yes. Supermarket forecourts in Portsmouth currently average 174.5p per litre for unleaded, 0.5p less than the 175.0p average at branded and independent stations.

Portsmouth Fuel Prices

Find the cheapest petrol and diesel in Portsmouth. Compare live prices from local fuel stations, updated hourly from the official Fuel Finder feed.

Fuel price answer

cheapest petrol and diesel in Portsmouth

As of 8 October 2026, the cheapest unleaded petrol in Portsmouth is 172.9p/L at All Saints Service Station All Saints Service Station, the cheapest diesel in Portsmouth is 197.9p/L at Sainsbury's SAINSBURYS FARLINGTON. Across 14 stations, unleaded averages 174.8p/L and diesel 200.0p/L. Supermarket forecourts in Portsmouth average 0.5p/L less than branded stations for unleaded.

Unleaded (E10)

172.9p cheapest

Avg 174.8pHigh 176.9pSpread 4.0p13 priced

Diesel

197.9p cheapest

Avg 200.0pHigh 202.9pSpread 5.0p13 priced

Cheapest Unleaded (E10) in Portsmouth

1. All Saints Service Station — All Saints Service Station · PORTSMOUTH172.9p
2. Sainsbury's — SAINSBURYS FARLINGTON · PORTSMOUTH172.9p
3. Asda — ASDA PORTSMOUTH · PORTSMOUTH173.7p
4. Tesco — PORTSMOUTH EXTRA - PETROL FILLING STATION · PORTSMOUTH173.9p
5. BP — Easternroad Service Station · Portsmouth173.9p

Cheapest Diesel in Portsmouth

1. Sainsbury's — SAINSBURYS FARLINGTON · PORTSMOUTH197.9p
2. Asda — ASDA PORTSMOUTH · PORTSMOUTH198.7p
3. All Saints Service Station — All Saints Service Station · PORTSMOUTH198.9p
4. Tesco — PORTSMOUTH EXTRA - PETROL FILLING STATION · PORTSMOUTH198.9p
5. Shell — SHELL VICTORY · PORTSMOUTH199.9p

Data freshness

Updated 7 Oct 2026, 22:30

Methodology

PetrolPal groups stations by country, region, and city from postcode-derived location data. Local pages are designed to help drivers compare nearby petrol and diesel prices before choosing where to fill up.

Citation

Source: PetrolPal, using official UK forecourt fuel price data. Cite: https://petrolpal.co.uk/fuel-prices/england/south-east/portsmouth

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About Portsmouth Fuel Prices

PetrolPal tracks live fuel prices in Portsmouth using official UK Government data, updated hourly. Compare petrol and diesel prices from supermarkets, branded stations, and independents to find the cheapest fuel near you.

Prices in Portsmouth are based on stations in the South East region of England. View the Portsmouth statistics page for detailed price analytics including brand averages, price distribution, and historical trends.

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