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Moving truck gas cost from Boise, ID to Austin, TX

The drive is about 1,626 miles. In a 15 to 17 ft rental truck getting around 9 MPG, fuel comes to roughly $738 at this week’s prices.

miles
Trip
$/ gallon

Average of Rocky Mountain and Texas prices from EIA for the week of October 19, 2026.

More options: MPG, towing
MPG

Loaded rental trucks usually get 6 to 12 MPG. If the rental paperwork lists a figure for your truck, use that.

Fuel cost$738Likely $671 to $820

Compare

  • 10 to 12 ft truck$604save $134
  • 20 to 22 ft truck$830+$92
  • Towing a car$868+$130
  • Round trip$1,476+$738

1,626 miles at 9 MPG: 180.7 gallons, $0.45 a mile. The likely range allows for fuel economy 10% better or worse.

BoiseAustin

Routes from OSRM using© OpenStreetMap contributors data

Distance
1,626 miles
Driving days
4 at 450 mi a day
Behind the wheel
About 30 hours
Gas price used
$4.086 a gallon

Fuel cost by truck size

Based on 1,626 miles, a gas price of $4.086 and a diesel price of $6.163 a gallon. Towing a car on a trailer or dolly lowers fuel economy by about 15%.

TruckMPGGallonsFuel costTowing a car
Cargo van16102$415$489
10 to 12 ft truck11148$604$711
15 to 17 ft truck9181$738$868
20 to 22 ft truck8203$830$977
26 ft truck7232$949$1,117
26 ft truck (diesel)8203$1,253$1,474

The gap between the smallest and largest trucks on this route is about $534 in fuel alone, so it pays to rent only as much truck as you need.

Fuel prices at each end of the move

WhereGasDieselPrice basis
Boise, ID$4.468$6.422Rocky Mountain average
Austin, TX$3.704$5.903Texas average

Gas runs about $0.76 a gallon cheaper around Austin, TX. Most one-way rentals are returned near Austin, 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 Boise, ID to Austin, TX a 4-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 Austin, TX to Boise, ID.

More moves from Boise

More moves to Austin