You expense reimbursements are probably not reported on your W-2, as they are not considered income.
The good new is that the difference between the IRS mileage rate and the amount your were actually reimbursed may be deductible as job-related expenses. The mileage rate for 2016 was 54 cents per mile, so you may be able to claim the 15 cent difference.
Note: Unreimbursed job-related expenses are deductible on Schedule A (Itemized Deductions) and are subject to the 2% floor for miscellaneous itemized deductions.
To input your job-related expenses (TurboTax Deluxe edition or higher is required to file itemized deductions):
