Mileage expenses for business travel in employees’ own vehicles

For years from 2011-12 – Tax Rates per business mile

So if an employee travels 12,000 business miles in their car or van, the
approved amount for the year would be £5,000(10,000 x 45p plus 2000 x 25p).

For years 2002-03 to 2010-11 – Tax Rates per business mile

So if an employee travels 12,000 business miles in their car or van, the
approved amount for the year would be £4,500 (10,000 x 40p plus 2,000 x 25p).