HMRC updated its advisory fuel rates for fuel costs when using company cars from 1 September 2021. You can continue to use the old rates (shown in brackets in the table below) until 30 September 2021 or use the new rates.
| Engine size | Electric per mile | Petrol per mile | LPG per mile | Diesel per mile |
| Up to 1,400cc | – | 12p (11p) | 7p (8p) | – |
| 1,401cc to 2,000cc | – | 14p (12p) | 8p (9p) | – |
| Up to 1,600cc | – | – | – | 10p (9p) |
| 1,601cc to 2,000cc | – | – | – | 12p (11p) |
| Over 2,000cc | – | 20p (19p) | 12p (14p) | 15p (13p) |
| N/A | 4p (4p) | – | – | – |
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