Cheapest unleaded
171.9p
Fuel prices in SN3 today, 12 September 2026
Live petrol and diesel prices at 7 stations in the SN3 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
192.9p
Avg unleaded (SN3)
172.5p
Avg diesel (SN3)
195.2p
Shell
MARLBOROUGH ROAD, SWINDON
SN3 1NP
Unleaded171.9p
Diesel195.9p
Sainsbury's
OXFORD ROAD, SWINDON
SN3 4EW
Unleaded171.9p
Diesel192.9p
BP
QUEENS DRIVE SERVICE STATION, QUEENS DRIVE, SWINDON
SN3 1AS
Unleaded171.9p
Diesel192.9p
BP
MARLBOROUGH ROAD, SWINDON
SN3 6AA
Unleaded171.9p
Diesel195.9p
Esso
DORCAN WAY, SWINDON
SN3 3RA
Unleaded171.9p
Diesel192.9p
BP
67 Bridge End Road, SWINDON
SN3 4PD
Unleaded171.9p
Diesel195.9p
Shell
SHRIVENHAM ROAD, SWINDON
SN3 4RS
Unleaded175.9p
Diesel199.9p
Data updated 1 hour ago.
Cheapest fuel in SN3: quick answers
Where is the cheapest petrol in SN3?
The cheapest unleaded in the SN3 postcode area right now is 171.9p per litre at Shell, MARLBOROUGH ROAD, SWINDON. The SN3 average is 172.5p.
Where is the cheapest diesel in SN3?
The lowest diesel price in SN3 is currently 192.9p per litre at Sainsbury's, OXFORD ROAD, SWINDON.