Cheapest unleaded
167.9p
Fuel prices in SG6 today, 12 September 2026
Live petrol and diesel prices at 5 stations in the SG6 postcode area, cheapest first, from the government's Fuel Finder open data.
Cheapest diesel
186.9p
Avg unleaded (SG6)
169.1p
Avg diesel (SG6)
190.3p
Sainsbury's
THIRD AVENUE, LETCHWORTH
SG6 2HX
Unleaded167.9p
Diesel186.9p
Essar Oil UK
ICKNIELD GARAGE, ICKNIELD WAY, LETCHWORTH GARDEN CITY, SG6 4AD, LETCHWORTH GARDEN CITY
SG6 4AD
Unleaded167.9p
Diesel188.9p
BP
BALDOCK ROAD, LETCHWORTH GARDEN CITY
SG6 2EJ
Unleaded169.9p
Diesel191.9p
Esso
NORTON WAY NORTH, LETCHWORTH
SG6 1BS
Unleaded169.9p
Diesel191.9p
Esso
LETCHWORTH GATE, LETCHWORTH GARDEN CITY
SG6 2AZ
Unleaded169.9p
Diesel191.9p
Data updated 1 hour ago.
Cheapest fuel in SG6: quick answers
Where is the cheapest petrol in SG6?
The cheapest unleaded in the SG6 postcode area right now is 167.9p per litre at Sainsbury's, THIRD AVENUE, LETCHWORTH. The SG6 average is 169.1p.
Where is the cheapest diesel in SG6?
The lowest diesel price in SG6 is currently 186.9p per litre at Sainsbury's, THIRD AVENUE, LETCHWORTH.