CO2 Emissions 2013/14 Petrol 2014/15 Petrol 2015/16 Petrol 2016/17 Petrol/Deisel
0 0 0 5 7
1 - 50 5 5 5 7
51 - 75 5 6 9 11
76 - 94 10 11 13 15
95 - 99 11 12 14 16
100 - 104 12 13 15 17
105 - 109 13 14 16 18
110 - 114 14 15 17 19
115 - 119 15 16 18 20
120 - 124 16 17 19 21
125 - 129 17 18 20 22
130 - 134 18 19 21 23
135 - 139 19 20 22 24
140 - 144 20 21 23 25
145 - 149 21 22 24 26
150 - 154 22 23 25 27
155 - 159 23 24 26 28
160 - 164 24 25 27 29
165 - 169 25 26 28 30
170 - 174 26 27 29 31
175 - 179 27 28 30 32
180 - 184 28 29 31 33
185 - 189 29 30 32 34
190 - 194 30 31 33 35
195 - 199 31 32 34 36
200 - 204 32 33 35 37
205 - 209 33 34 36 37
210 - 214 34 35 37 37
215 - 219 35 35 37 37
220 and above 35 35 37 37

Up to the end of tax year 2014/15 add 3% for diesel cars up to a maximum of 35% For tax year 2015/16 add 3% for diesel cars up to a maximum of 37%

In 2016/17 petrol and diesel cars are treated equally for company car tax purposes.