From the link:
Behind the Numbers
The base price of the Model 3 is 42% higher than the base price of the Toyota Camry; however, total cost of ownership of the Model 3 is just 13% higher than the total cost of ownership of the Toyota Camry. The Model 3 costs $7,220 per year, $847 more annually than the Camry at $6,373. For all car models we compared, we based our analysis on a 6% sales tax, 3.5% annual insurance increase, and 1.1% annual license tab fee. Regarding fuel and electricity differences, the U.S. Energy Information Administration reported prices of $2.37 per gallon and $0.12 per kWh. The average American drives 13,476 miles per year, and we calculated Tesla owners spending $541 on electricity annually, which saves $947 in fuel costs annually, or $15.43 per charge.