http://www.speedlimit.org.uk/petrolprices.html
Petrol Prices 1983-2021
Year Price per Litre (p) Price per Gallon (£) Retail
Prices
Index Petrol Price
in constant terms
(1983=100) 5-year
% increase *
1983 36.7 1.670 83.1 100.0 -
1984 38.7 1.759 87.5 100.0 -
1985 42.8 1.946 92.8 104.3 -
1986 38.2 1.737 96.7 89.4 -
1987 37.8 1.719 100.6 85.0 -
1988 34.7 1.578 104.1 75.4 -5.5
1989 38.4 1.746 112.3 77.4 -0.7
1990 40.2 1.828 121.4 74.9 -6.1
1991 39.5 1.796 131.4 68.0 3.4
1992 40.3 1.832 136.7 66.7 6.6
1993 45.9 2.087 139.3 74.6 32.3
1994 48.9 2.223 133.1 77.6 27.3
1995 50.9 2.314 147.5 78.1 26.6
1996 52.9 2.405 151.5 79.0 33.9
1997 57.9 2.632 155.4 84.3 43.7
1998 60.9 2.769 160.8 85.7 32.7
1999 61.9 2.814 164.1 85.3 26.6
2000 76.9 3.496 168.4 103.3 51.1
2001 77.9 3.541 173.1 101.8 47.2
2002 69.9 3.178 174.5 90.6 20.7
2003 77.9 3.541 179.9 98.0 27.9
2004 77.9 3.541 184.6 95.5 25.8
2005 79.9 3.632 190.5 95.0 3.9
2006 88.9 4.041 195.0 103.2 14.1
2007 87.9 3.996 204.4 97.4 25.6
2008 103.9 4.723 212.1 110.9 33.4
2009 89.9 4.087 211.3 96.2 15.4
2010 111.9 5.087 220.7 114.8 40.1
2011 129.9 5.905 232.5 126.5 46.1
2012 134.1 6.096 240.8 126.1 52.6
2013 138.9 6.314 248.7 126.5 33.7
2014 130.9 5.951 254.8 116.3 45.6
2015 109.9 4.996 257.1 96.8 -1.8
2016 103.9 4.723 261.1 90.0 -20.0
2017 117.9 5.360 269.3 99.1 -12.1
2018 115.9 5.269 278.3 94.3 -16.6
2019 119.9 5.451 285.1 95.1 -8.4
2020 119.9 5.451 292.6 92.7 9.1
2021 123.9 5.632 296.9 94.4 19.2