Here is a rough estimate of the costs associated with this trip:
1. Fuel: The distance from San Francisco to Detroit is approximately 2,700 miles. Assuming the 2001 Lexus IS 300 gets an average of 25 miles per gallon, you would need approximately 108 gallons of gas to complete the trip. At an average gas price of $4 per gallon, the fuel cost would be around $432.
2. Tolls: There are several toll roads along the route from San Francisco to Detroit. The exact cost of tolls will vary depending on the specific route you take. A general estimate for tolls could range between $100 and $200.
3. Parking: If you are planning to stop at various points along the route or stay in cities, you may incur parking fees. The average cost of parking in major cities can range from $10 to $30 per day.
4. Lodging: If you are planning to stay overnight during your trip, you will need to factor in the cost of lodging. The average cost of a hotel room can vary widely depending on your preferences and the location. A general estimate for lodging could range between $50 and $150 per night.
5. Additional Expenses: There may be other additional expenses that you incur during your trip such as meals, snacks, drinks, and any unexpected repairs or maintenance costs for the vehicle.
Considering all these factors, the total estimated cost of driving a 2001 Lexus IS 300 from San Francisco to Detroit, could be around $1,000 to $1,500. However, it's important to note that these estimates can vary significantly and actual costs may be different depending on the time of year, driving conditions, and personal expenses.