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Car Benefit Assessment 2018/19


Taxable benefit: Chargeable value multiplied by chargeable %.

Chargeable value:

Initial list price of car (including most accessories), reduced by any capital contribution (maximum £5,000) by employee when the car is first made available.

Chargeable percentage:

CO2 emissions g/km Petrol Diesel
0-50 13% 17%
51-75 16% 20%
76-9 19% 23%
Above 94 Add 1% for every 5g/km
Above 179 (petrol) / 159 (diesel) 37% maximum


Chargeable value of £3,350 (2017/18 £3,230) if private use is more than home-to-work. Electric vans £670 (2017/18 £646).


Employer provides fuel for private motoring in an employer-owned:

Car: CO2-based percentage from above table multiplied by £23,400 (2017/18 £22,600).

Van: £633 (2017/18 £610).

Employee contributions do not reduce taxable figure unless all private fuel is paid for by the employee (in which case there is no benefit charge).

Tax-free mileage allowances

Employee’s own transport per business mile
Cars first 10,000 miles 45p
Cars over 10,000 miles 25p
Business passengers 5p
Motorcycles 24p
Bicycles 20p