Mileage rates

Changes to the HMRC business mileage rates are announced from time to time. The fuel only advisory rates below relate to company cars only and apply from 1 March 2021.  

Engine Capacity Petrol Diesel LPG
1400cc or less 10p 9p 7p
1401 - 1600cc 12p 9p 8p
1601 - 2000cc 12p 11p 8p
Over 2000cc 18p 12p 12p

For those using their own vehicle the following mileage allowance payments apply.

Vehicle First 10,000 miles Thereafter
Car / Van 45p 25p
Motorcycle 24p 24p
Bicycle 20p 20p

Car benefits

2021/22:

CO2 emissions (g/km) Cars registered pre 6.4.20 Cars registered after 5.4.20
% of list price taxed % of list price taxed
0 1 1
1 - 50 electric range    
>130 2 1
70-129 5 4
40-69 8 7
30-39 12 11
<30 14 13
51-54 15 14
For every extra 5 +1 +1
160 and above 37 n/a
165 and above n/a 37

For fully diesel cars generally add a 4% supplement (unless the car is registered on or after 1 September 2017 and meets the Euro 6d emissions standard) but the maximum is still 37%. For emissions over 75g/km if the CO2figure does not end in a 5 or a 0 round down to the nearest 5 or 0.