RV Rental Mileage Calculator

How It Works

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Enter Your Trip

Input your total round-trip distance in miles. Include any side trips or detours you plan to take. The more accurate the distance, the better the estimate.

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Select Your RV

Choose the type of RV you're renting. Each type has a different fuel efficiency, from Class B vans at 18 MPG to Class A motorhomes at 7 MPG.

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Get Your Fuel Budget

See the total fuel cost, gallons needed, and cost per mile. Use this to plan your trip budget and avoid any fuel-cost surprises.

Motorhome MPG Calculator: Class A, B & C Estimates

This tool doubles as a motorhome gas mileage calculator. Pick your motorhome class below to estimate fuel cost for any trip — the same numbers RV rental fleets use for quoting.

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Class A Motorhome MPG

Large diesel and gas Class A motorhomes typically average 6-8 MPG. Expect ~$0.55-$0.70 in fuel per mile at $4/gallon. Best for long trips where comfort outweighs efficiency.

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Class B Motorhome MPG

Class B camper vans are the fuel efficiency winners at 16-22 MPG. A 1,000-mile trip costs roughly $180-$250 in fuel — competitive with a regular family sedan towing a roof box.

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Class C Motorhome MPG

Class C motorhomes split the difference at 10-14 MPG. Most popular choice for first-time renters because they balance livability with reasonable motorhome fuel costs.

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Frequently Asked Questions

What is the average MPG for an RV?

It varies significantly by type. Class A motorhomes average 6-8 MPG, Class C motorhomes get 10-14 MPG, and Class B camper vans achieve 16-22 MPG. Travel trailers reduce your tow vehicle's MPG to roughly 8-12, and fifth wheels average 8-10 MPG. These estimates assume normal driving conditions.

Does towing a travel trailer count differently than a motorhome?

Yes. With a travel trailer or fifth wheel, you're burning fuel in your tow vehicle, which typically gets worse mileage when towing. This calculator uses the combined towing MPG for towable RVs, not the vehicle's unloaded MPG.

How can I improve my RV's fuel efficiency?

Drive 55-60 MPH instead of 70+ (speed is the biggest factor), keep tires properly inflated, reduce wind resistance by closing awnings and vents, avoid heavy acceleration, and minimize idling. Properly loading and leveling your RV also helps. These tips can improve fuel efficiency by 10-20%.

Is this calculator accurate for motorhomes?

Yes — this works as a motorhome gas mileage calculator for all three classes. Pick "Class A motorhome" (6-8 MPG), "Class C motorhome" (10-14 MPG), or "Class B camper van" (16-22 MPG) when selecting your RV type. The estimates match real-world averages reported by RV rental operators and the RV Industry Association.

Your Trip

Fuel Estimate