Fuel cost by truck size
Based on 2,071 miles, a gas price of $5.116 and a diesel price of $6.506 a gallon. Towing a car on a trailer or dolly lowers fuel economy by about 15%.
| Truck | MPG | Gallons | Fuel cost | Towing a car |
|---|---|---|---|---|
| Cargo van | 16 | 129 | $662 | $779 |
| 10 to 12 ft truck | 11 | 188 | $963 | $1,133 |
| 15 to 17 ft truck | 9 | 230 | $1,177 | $1,385 |
| 20 to 22 ft truck | 8 | 259 | $1,324 | $1,558 |
| 26 ft truck | 7 | 296 | $1,514 | $1,781 |
| 26 ft truck (diesel) | 8 | 259 | $1,684 | $1,981 |
The gap between the smallest and largest trucks on this route is about $851 in fuel alone, so it pays to rent only as much truck as you need.
Fuel prices at each end of the move
| Where | Gas | Diesel | Price basis |
|---|---|---|---|
| Seattle, WA | $5.527 | $6.659 | Seattle average |
| Chicago, IL | $4.705 | $6.352 | Chicago average |
Gas runs about $0.82 a gallon cheaper around Chicago, IL. Most one-way rentals are returned near Chicago, so that’s the cheaper place to top the tank back up to the level you picked it up at.
Weekly retail averages from the U.S. Energy Information Administration for the week of October 19, 2026. Prices along the way will vary. EIA source
Planning the drive
A loaded box truck is slower than a car on hills and safest at moderate speeds, and most drivers find 450 miles a comfortable day. That makes Seattle, WA to Chicago, IL a 5-day drive, so budget for hotel nights and meals on top of fuel. The rental itself and any per-mile fees are charged separately from fuel.
Other moves
Going the other way? See Chicago, IL to Seattle, WA.
More moves from Seattle
- Seattle to New York
- Seattle to Los Angeles
- Seattle to Houston
- Seattle to Phoenix
- Seattle to Philadelphia
- Seattle to San Diego
- Seattle to Dallas
- Seattle to Austin
- Seattle to Charlotte
- Seattle to San Francisco
- Seattle to Denver
- Seattle to Nashville
- Seattle to Atlanta
- Seattle to Miami
- Seattle to Boston
- Seattle to Las Vegas
- Seattle to Orlando
- Seattle to Tampa
- Seattle to Raleigh
More moves to Chicago
- New York to Chicago
- Los Angeles to Chicago
- Houston to Chicago
- Phoenix to Chicago
- Philadelphia to Chicago
- San Diego to Chicago
- Dallas to Chicago
- Austin to Chicago
- Charlotte to Chicago
- San Francisco to Chicago
- Denver to Chicago
- Nashville to Chicago
- Atlanta to Chicago
- Miami to Chicago
- Boston to Chicago
- Las Vegas to Chicago
- Orlando to Chicago
- Tampa to Chicago
- Raleigh to Chicago