Tax band A (up to 100g/km CO2) no fee
Tax band B (101- 110g/km CO2) £35
Tax band C (111-120g/km CO2) £35
Tax band D (121-130g/km CO2) £120
Tax band E (131-140g/km CO2) £120
Tax band F (141- 150g/km CO2) £125
Tax band G (151 to 160g/km CO2) £150
Tax band H (161 to 170g/km CO2) £175
Tax band I (171 to 180g/km CO2) £175
Tax band J (181 to 200g/km CO2) £215
Tax band K (201 to 225g/km CO2) £215
Tax band L (226 to 255g/km CO2) £405
Tax band M (Over 255g/km CO2) £405
However, some polluting vehicles receive a reprieve. Models emiting over 225g/km of CO2, and registered between March 1, 2001 and March 23, 2006 - join band K.
Vehicles registered before March 2001 are taxed on engine size. Models up to 1549cc cost £125, and vehicles over 1549cc cost £190. The prices change again in April 2010 - rewarding the environmental and punishing polluters. Motorists wishing to avoid the complications should drive pre 1973 cars - classics are road tax exempt.