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About Class A Motorhomes

If you put a premium on having that home-away-from-home feeling, then a Class A motorhome is for you. While large RVs often consume more fuel than alternatives, many consider that an acceptable tradeoff for their spacious interiors and luxury amenities. New Class A motorhomes can cost anywhere from $80,000 to more than $1 million, depending on size and amenities, but you can find used motorhomes for sale at much lower costs.

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2026 Thor Motor Coach Aria 4000 Class A Diesel Motorhome

Common Class A Motorhome Features

Class A motorhomes offer spacious interiors, numerous luxurious amenities, and are built with comfort in mind, making them ideal for longer trips.

They come with several sleeping areas, accommodating up to eight people (and sometimes more), and can be as long as 45 feet, depending on the configuration. This means you’ll get larger bedrooms, a larger dining area, and more space for entertaining guests. Class A RVs also typically offer multiple slide-outs to extend the width of the living area, adding even more interior space.

Diesel vs. Gas Class A Motorhomes

Class A Motorhomes offer two fuel options: diesel and gas. Each has its own advantages depending on your travel needs and budget.

Diesel Class A RV Pros & Cons

• Although Class A motorhomes offer spacious interiors and numerous luxurious amenities, they also incur significant fuel costs. Taking them out on the open road means you’ll eventually need to stop and fill your tank.
• Class A diesel motorhomes typically have a higher price tag, but in return, you will enjoy a longer engine life, as well as potentially higher resale value.
• Diesel engines also deliver higher torque, making it easier to climb hills and maintain speed in the climb. Although diesel engines cost more per fill-up, they typically get better mileage due to diesel fuel’s higher energy density, and they generally require less frequent service.

The Thor Motor Coach Aria is a Class A diesel motorhome built on a Freightliner XC-R raised-rail chassis. It has a 100-gallon fuel tank and generally achieves a fuel economy of 8 to 10 mpg when towing a vehicle, making it about average compared to other diesel models, which typically range between 7 and 12 mpg. Meanwhile, the standard fuel efficiency for gas-powered RVs is roughly 6 to 10 mpg.

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2026 Newmar Bay Star 3626 Class A Gas Motorhome

Gas Class A RV Pros & Cons

• Class A gas motorhomes usually have a lower upfront cost compared to diesel motorhomes. Gas motorhomes are more convenient for fueling since gas stations are more common than diesel filling stations.
• Maintenance costs are lower for gas motorhomes compared to diesel, but there are some tradeoffs.
• Gas motorhomes typically have a lower towing capacity than diesel motorhomes. The front-engine placement in gas motorhomes can impact the driving experience.

The Newmar Bay Star is a luxurious Class A gas motorhome that is widely considered to be a small Class A RV. The Bay Star reportedly averages around 8.5 mpg, depending on road topography and the weight of the vehicle it is towing.

Where To Buy & Finance a Class A Motorhome

Explore RVUniverse.com to find new and used Class A diesel and gas motorhomes for sale, including RVs from industry-leading manufacturers such as Coachmen, Entegra Coach, Fleetwood, Forest River, Newmar, Thor Motor Coach, Tiffin, Winnebago, and others.

If you have a specific RV in mind, visit CurrencyFinance to discover your Class A motorhome financing options, with favorable terms and rates.