Diesel from 183.9p a litre in Casnewydd, up to 196.9p — comparing 5 filling stations. Updated 1 minute ago.
See Casnewydd on the map →At 183.9p, the cheapest diesel in Casnewydd is 6.5p below the UK average of 190.4p — about £3.59 less for a 55-litre tank. Within Casnewydd itself the spread is 13.0p a litre, so choosing the cheapest of the 5 rather than the most expensive saves about £7.15 a tank. One of them reports being open 24 hours. One publishes a premium diesel price as well as standard, 14.0p a litre more.