Cheapest unleaded
172.9p
Fuel prices in SO40 today, 4 November 2026
Live petrol and diesel prices at 3 stations in the SO40 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
199.9p
Avg unleaded (SO40)
174.6p
Avg diesel (SO40)
199.9p
3 fuel stations in the SO40 postcode area report pump prices to the government's Fuel Finder scheme. Unleaded runs from 172.9p at Texaco up to 177.9p, a 5.0p gap across SO40, so it pays to check before you fill up. On average SO40 is 3.6p dearer than the UK as a whole.
Texaco
Courtesy Filling Station, Romsey Road, Cadnam, Southampton
SO40 2NN
Car wash · Air · Toilets
Unleaded172.9p
Diesel199.9p
Morrisons
Spruce Drive, Totton
SO40 8AD
Price last reported 25 Sept
24 hours · Car wash · Air · Toilets · AdBlue pump
Unleaded172.9p
Diesel199.9p
Esso
65 Ringwood Road, Southampton
SO40 8DD
Price last reported 26 Sept
24 hours · Car wash
Unleaded177.9p
Diesel201.9p
Data updated 12 hours ago.
Cheapest fuel in SO40: quick answers
Where is the cheapest petrol in SO40?
The cheapest unleaded in the SO40 postcode area right now is 172.9p per litre at Texaco, COURTESY FILLING STATION, ROMSEY ROAD, CADNAM, SOUTHAMPTON. The SO40 average is 174.6p.
Where is the cheapest diesel in SO40?
The lowest diesel price in SO40 is currently 199.9p per litre at Texaco, COURTESY FILLING STATION, ROMSEY ROAD, CADNAM, SOUTHAMPTON.