As a W2 employee, you may be able to deduct certain vehicle costs as a job-related expense if you are itemizing your deductions. However, as a W2 employee, they are difficult to actually deduct from your taxes (and thus see any tax benefit). This is because they are subject to a 2% floor. Under the 2% rule, you're only allowed to deduct the portion of total miscellaneous expenses that exceed 2% of your adjusted gross income (AGI). And, even then, this portion only becomes an itemized deduction, so you need to have more total itemized deductions than the standard deduction.
Also, commuting costs - i.e. the miles you log daily going back and forth to work - are NOT deductible. They are considered personal expenses. Only actual business mileage (i.e. from job site to job site or to visit clients) would be deductible.
Note: While this deduction is active for your 2017 tax return, it has been eliminated for 2018 and future years due to the Tax Reform Act.
