from IRS: Changes to depreciation limitations on luxury automobiles and personal use property
The new law changed depreciation limits for passenger vehicles placed in service after Dec. 31, 2017. If the taxpayer doesn’t claim bonus depreciation, the greatest allowable depreciation deduction is:
$10,000 for the first year,
$16,000 for the second year,
$9,600 for the third year, and
$5,760 for each later taxable year in the recovery period.
If a taxpayer claims 100 percent bonus depreciation, the greatest allowable depreciation deduction is:
$18,000 for the first year,
$16,000 for the second year,
$9,600 for the third year, and
$5,760 for each later taxable year in the recovery period.