Cheapest unleaded
169.9p
Fuel prices in DT3 today, 4 November 2026
Live petrol and diesel prices at 3 stations in the DT3 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
198.9p
Avg unleaded (DT3)
172.9p
Avg diesel (DT3)
199.2p
3 fuel stations in the DT3 postcode area report pump prices to the government's Fuel Finder scheme. Unleaded runs from 169.9p at Morrisons up to 176.9p, a 7.0p gap across DT3, so it pays to check before you fill up. On average DT3 is 2.2p dearer than the UK as a whole.
Morrisons
Mercury Road, Weymouth
DT3 5HJ
Price last reported 28 Sept
Car wash · Air
Unleaded169.9p
Diesel198.9p
Sainsbury's
Mercury Road, Weymouth
DT3 5BJ
Car wash · Air
Unleaded171.9p
Diesel198.9p
BP
316-318 Dorchester Road, Weymouth
DT3 5AS
24 hours · Car wash · Air · Toilets
Unleaded176.9p
Diesel199.9p
Data updated 1 hour ago.
Cheapest fuel in DT3: quick answers
Where is the cheapest petrol in DT3?
The cheapest unleaded in the DT3 postcode area right now is 169.9p per litre at Morrisons, MERCURY ROAD, WEYMOUTH. The DT3 average is 172.9p.
Where is the cheapest diesel in DT3?
The lowest diesel price in DT3 is currently 198.9p per litre at Morrisons, MERCURY ROAD, WEYMOUTH.