Average fuel prices in the UK.

Pence per litre:

Diesel: 108.0p
Super Unleaded: 99.7p
Unleaded: 92.7p 
Four Star: 97.5p
LPG: 53.5p

Pence Per Gallon:

Diesel: 491p
Super Unleaded: 453p
Unleaded: 421p
Four Star: 443p
LPG: 243p