
When considering renting a U-Haul for your moving or transportation needs, one of the most common questions is, What fuel do U-Hauls take? U-Haul trucks are designed to run on regular unleaded gasoline, which is widely available at most gas stations. This makes refueling convenient and cost-effective for users. However, it’s important to note that larger U-Haul trucks, such as the 20-foot and 26-foot models, may have diesel engines, so always check the fuel type specified on the vehicle or in the rental agreement. Knowing the correct fuel type ensures optimal performance and avoids potential damage to the vehicle.
| Characteristics | Values |
|---|---|
| Fuel Type | Regular Unleaded Gasoline (87 Octane) |
| Fuel Efficiency | Varies by model (approx. 8-14 mpg for trucks, 10-18 mpg for vans) |
| Tank Capacity | Varies by model (approx. 30-40 gallons for trucks, 20-30 gallons for vans) |
| Fuel Door Side | Driver's side for most models |
| Recommended Fuel | Regular unleaded gasoline; premium not required |
| Fuel System | Electronic fuel injection |
| Emissions | Compliant with EPA and CARB standards |
| Fuel Economy | Lower for larger trucks and when towing |
| Fuel Cost | Depends on current gas prices and distance traveled |
| Refueling | Standard gas stations; no special fuel required |
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What You'll Learn
- Gasoline vs. Diesel: U-Haul trucks primarily use gasoline, but some larger models require diesel fuel
- Fuel Efficiency: U-Haul trucks average 8-14 MPG, depending on size and cargo weight
- Fuel Tank Capacity: Tanks range from 30 to 60 gallons, varying by truck size and model
- Refueling Tips: Always refuel to the same level as when picked up to avoid fees
- Alternative Fuels: U-Haul is exploring electric and propane options for future sustainability efforts

Gasoline vs. Diesel: U-Haul trucks primarily use gasoline, but some larger models require diesel fuel
U-Haul trucks, a staple for DIY movers, primarily run on gasoline, making them accessible for most drivers accustomed to fueling passenger vehicles. This choice aligns with the majority of U-Haul’s fleet, which includes smaller trucks like the 10-foot and 15-foot models, designed for local moves or lighter loads. Gasoline engines are generally simpler to maintain, and the fuel is widely available at nearly every gas station, ensuring convenience for renters. However, gasoline’s lower energy density means these trucks may consume more fuel per mile compared to diesel counterparts, a factor to consider for longer hauls.
In contrast, U-Haul’s larger trucks, such as the 20-foot and 26-foot models, often require diesel fuel. Diesel engines are favored for heavy-duty applications due to their superior torque and fuel efficiency, making them ideal for hauling substantial loads over long distances. While diesel fuel is slightly less common than gasoline, most major gas stations offer it, particularly along highways and in urban areas. Renters should note that diesel engines typically have higher upfront costs, which may be reflected in rental prices, but the improved fuel economy can offset expenses for extended trips.
Choosing between a gasoline and diesel U-Haul depends on your move’s specifics. For short, local moves with lighter loads, a gasoline-powered truck is cost-effective and user-friendly. However, if you’re transporting a full household or traveling long distances, a diesel-powered truck’s efficiency and power may justify the higher rental cost. Always verify the fuel type before renting to avoid misfuelling, which can cause costly damage.
Practical tips for fueling U-Haul trucks include planning your route to ensure access to the correct fuel type, especially in rural areas. Gasoline trucks should use regular unleaded fuel, while diesel trucks require standard diesel. Keep receipts for fuel purchases, as U-Haul may require proof of refueling upon return. Lastly, monitor fuel levels closely during long trips, as larger trucks can have substantial fuel capacities—for example, a 26-foot diesel truck may hold up to 50 gallons, requiring careful budgeting for fuel stops.
In summary, while gasoline dominates U-Haul’s fleet for its simplicity and accessibility, diesel-powered trucks offer advantages for demanding moves. Understanding these differences ensures you select the right truck for your needs, balancing cost, efficiency, and convenience. Always prioritize fuel type in your rental decision to streamline your moving experience.
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Fuel Efficiency: U-Haul trucks average 8-14 MPG, depending on size and cargo weight
U-Haul trucks, a staple for DIY movers, are notorious for their fuel consumption, averaging a modest 8-14 miles per gallon (MPG). This range isn’t arbitrary; it’s directly tied to the truck’s size and the weight of its cargo. For instance, a 10-foot truck hauling a studio apartment’s worth of belongings might achieve closer to 14 MPG, while a fully loaded 26-foot truck moving a four-bedroom house could drop to 8 MPG. Understanding this variability is crucial for budgeting fuel costs and planning pit stops during long-haul moves.
To maximize fuel efficiency, consider these practical steps: first, pack strategically to distribute weight evenly, reducing strain on the engine. Second, avoid overloading the truck beyond its recommended capacity, as excess weight exponentially decreases MPG. Third, maintain a steady speed on highways, as rapid acceleration and braking can waste fuel. For example, driving at 55 mph instead of 70 mph can improve efficiency by up to 20%. Lastly, ensure the truck’s tires are properly inflated, as underinflated tires increase rolling resistance and fuel consumption.
Comparatively, U-Haul’s fuel efficiency falls behind modern passenger vehicles, which average 25-35 MPG, but it’s on par with other rental trucks in its class. Unlike cars, these trucks prioritize hauling capacity over fuel economy, using larger engines that consume regular unleaded gasoline. While diesel options exist in some commercial fleets, U-Haul trucks exclusively run on gasoline, making them more accessible for casual users but less efficient for heavy-duty tasks.
The takeaway? Fuel efficiency in U-Haul trucks isn’t just a number—it’s a variable you can influence. By mindful packing, prudent driving, and basic maintenance, you can edge closer to the higher end of the 8-14 MPG spectrum. For a 1,000-mile move in a 20-foot truck averaging 10 MPG, that could mean the difference between $350 and $500 in fuel costs. Plan accordingly, and let efficiency be your moving day ally.
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Fuel Tank Capacity: Tanks range from 30 to 60 gallons, varying by truck size and model
U-Haul trucks, a staple for DIY movers, come with fuel tank capacities that directly correlate with their size and intended use. Smaller trucks, like the 10-foot model, typically feature a 30-gallon tank, sufficient for local moves or shorter hauls. In contrast, larger trucks, such as the 26-foot behemoths, boast tanks up to 60 gallons, designed to handle long-distance trips without frequent refueling stops. This range ensures that whether you're moving across town or across the country, there's a U-Haul truck with a fuel capacity suited to your journey.
Understanding the fuel tank capacity of your U-Haul truck is crucial for budgeting and planning. For instance, a 30-gallon tank in a 10-foot truck, when filled with regular unleaded gasoline (the standard fuel for U-Hauls), can cost anywhere from $90 to $120, depending on current gas prices. Larger trucks with 60-gallon tanks can double that expense, making it essential to factor fuel costs into your moving budget. Additionally, knowing the tank size helps in estimating how far you can travel before needing to refuel, especially important for those navigating remote routes or areas with limited gas stations.
When selecting a U-Haul truck, consider not just the size of the cargo box but also the fuel efficiency and tank capacity. Smaller trucks generally offer better mileage, often averaging 10-12 miles per gallon, while larger trucks may drop to 8-10 miles per gallon. A 30-gallon tank in a more efficient truck can take you 300-360 miles, whereas a 60-gallon tank in a less efficient model might cover 480-600 miles. This comparison highlights the importance of matching the truck’s fuel capacity to your specific moving needs, balancing cost and convenience.
Practical tips can further optimize your fuel usage. Always start your journey with a full tank to maximize range and minimize stops. Use cruise control on highways to maintain a steady speed and improve fuel efficiency. Avoid rapid acceleration and braking, as these habits can significantly reduce mileage. Finally, plan your route to include refueling stops at stations with competitive prices, especially for longer trips. By leveraging these strategies and understanding your U-Haul’s fuel tank capacity, you can ensure a smoother, more cost-effective move.
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Refueling Tips: Always refuel to the same level as when picked up to avoid fees
U-Haul trucks are designed to run on regular unleaded gasoline, the same fuel used by most passenger vehicles. This makes refueling convenient, as you can stop at any standard gas station along your route. However, the key to avoiding unexpected fees lies not in the type of fuel but in the precision of refueling. U-Haul charges a fee if the fuel level at return is lower than when you picked up the truck. To sidestep this, always refuel to the exact level marked on your rental agreement.
Consider this scenario: You pick up a U-Haul with a fuel gauge at the 3/4 mark. After your move, the gauge reads just below 1/2. A quick stop at the gas station might tempt you to add "enough" fuel, but estimating can be tricky. Instead, use the gauge as a guide and add fuel in small increments (1-2 gallons at a time) until the needle matches the original 3/4 mark. Modern fuel gauges are sensitive, so overfilling is just as easy as underfilling.
A practical tip is to refuel within 10 miles of the drop-off location. This ensures the fuel level stabilizes before you return the truck. Avoid topping off the tank, as U-Haul does not provide refunds for excess fuel. Additionally, keep your receipt as proof of refueling, especially if the gauge seems inaccurate. This documentation can resolve disputes over fuel levels.
Refueling to the exact level isn’t just about avoiding fees—it’s about fairness. U-Haul operates on a shared-use model, and maintaining consistent fuel levels ensures the next customer starts their journey as you did. By taking a moment to refuel thoughtfully, you contribute to a smoother experience for everyone while protecting your wallet from unnecessary charges.
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Alternative Fuels: U-Haul is exploring electric and propane options for future sustainability efforts
U-Haul's fleet primarily runs on gasoline and diesel, but the company is actively shifting gears toward alternative fuels to reduce its environmental footprint. This transition isn’t just a trend—it’s a strategic move to align with growing consumer demand for sustainable options and stricter emissions regulations. Electric and propane-powered vehicles are at the forefront of this initiative, offering cleaner, more efficient alternatives to traditional fossil fuels. By exploring these options, U-Haul aims to set a new standard in the moving and storage industry while contributing to broader sustainability goals.
Electric U-Haul vehicles represent a bold step into the future of transportation. These trucks are designed to run on battery power, eliminating tailpipe emissions entirely. While the initial rollout is limited to smaller, urban-focused models, the potential for expansion is significant. Charging infrastructure remains a challenge, but U-Haul is partnering with charging networks to ensure accessibility for customers. For those considering an electric U-Haul, it’s essential to plan routes around charging stations and allow extra time for longer trips. The environmental benefits are clear: zero emissions during operation and reduced reliance on non-renewable resources.
Propane, or liquefied petroleum gas (LPG), is another fuel U-Haul is testing as a viable alternative. Propane-powered trucks produce significantly fewer greenhouse gases and air pollutants compared to diesel or gasoline. They’re also more cost-effective in the long run, as propane is generally cheaper than traditional fuels. U-Haul’s propane fleet is particularly well-suited for medium-duty applications, such as local moves or deliveries. For customers, using a propane U-Haul means contributing to lower emissions without sacrificing performance. However, it’s important to note that propane refueling stations are less common than gas stations, so planning ahead is crucial.
Comparing electric and propane options reveals distinct advantages and trade-offs. Electric vehicles offer zero emissions and quieter operation but require robust charging infrastructure and longer refueling times. Propane, on the other hand, provides a more immediate solution with lower upfront costs and faster refueling, though it still relies on a fossil fuel derivative. U-Haul’s dual approach allows the company to cater to diverse customer needs while gradually phasing out less sustainable options. Both alternatives represent significant progress toward a greener fleet, but their success will depend on infrastructure development and consumer adoption.
For those looking to support U-Haul’s sustainability efforts, choosing an electric or propane vehicle when available is a practical way to make a difference. Beyond fuel type, customers can further reduce their environmental impact by optimizing trip efficiency—consolidating loads, planning routes carefully, and maintaining steady speeds. As U-Haul continues to expand its alternative fuel offerings, staying informed about available options in your area can help you make eco-conscious choices. By embracing these innovations, both the company and its customers can drive meaningful change in the transportation industry.
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Frequently asked questions
Most U-Haul trucks run on regular unleaded gasoline, but some larger models may use diesel fuel.
Check the fuel cap or the rental contract for the fuel type, or ask the U-Haul representative when picking up the vehicle.
While premium gasoline won’t harm the engine, it’s not necessary and won’t improve performance, so regular unleaded is recommended to save costs.
Fuel efficiency varies by model, but U-Haul trucks are designed for moving purposes, not for optimal fuel economy. Expect lower MPG compared to personal vehicles.
Yes, U-Haul requires renters to return the vehicle with the same fuel level as when it was picked up to avoid additional charges.









































