What Do Class a Motorhomes Gas Get for MPG?

When it comes to class A motorhomes, their size and luxury appeal often outweigh fuel efficiency. These behemoth RVs, ranging between 26 and 45 feet long, are equipped with an array of luxurious features that make them the preferred choice for travelers seeking ultimate comfort on the road. On average, these vehicles only get about 6-10 miles per gallon (mpg), which can be quite a consideration for those planning long trips. Nevertheless, the allure of class A motorhomes remains strong, as they provide unmatched spaciousness and extravagant amenities that make every adventure feel like a luxurious getaway.

How Many Miles Per Gallon Does an RV Motorhome Get?

When it comes to fuel efficiency, RV motorhomes can vary greatly depending on their class. Class B motorhomes, also known as camper vans, are the most fuel-efficient option on average. These compact vehicles can achieve an impressive 18-22 miles per gallon. Their smaller size and aerodynamic design contribute to their excellent fuel economy.

Moving up in size, Class C motorhomes are the next in line. These mid-sized RVs offer a good balance between space and fuel efficiency. However, some models like the View/Navion have been known to achieve a more impressive 16-18 mpg due to their efficient diesel engines.

It’s worth noting that these figures are averages and can vary depending on various factors such as the motorhomes weight, engine type, driving conditions, and personal driving habits. Additionally, factors like maintenance and tire pressure can also impact fuel efficiency. Therefore, while these numbers provide a general idea, it’s always best to consider the specific model and consult with the manufacturer or owner for more accurate information.

Class C motorhomes follow with an average of 8-18 mpg, while Class A motorhomes come in third with an average of 8-12 mpg. When choosing an RV, fuel efficiency is an important factor to consider, as it can greatly impact both the cost of your travels and the environmental footprint of your journey.

Class B motorhomes, also known as camper vans or conversion vans, are the most fuel-efficient option among all types of motorhomes. The sleek design and relatively lightweight construction contribute to their superior gas mileage compared to Class A and Class C models.

What Type of Motorhome Gets the Best Gas Mileage?

Class B motorhomes, also known as camper vans or conversion vans, are built on a van chassis. They’re more aerodynamic and lightweight compared to Class A and Class C motorhomes. This aerodynamic design helps to minimize wind resistance, resulting in better gas mileage.

The compact size and weight of Class B motorhomes contribute to their excellent fuel efficiency. Being smaller in size, they’ve a lower overall weight compared to larger motorhomes. This means that the engine has less mass to power, resulting in better mileage.

Additionally, Class B motorhomes often come with advanced aerodynamic features, such as integrated wind deflectors or streamlined body shapes. These features further reduce drag and enhance fuel efficiency.

Additionally, factors such as weight, driving conditions, maintenance, and driving habits can also impact the fuel mileage of a gas motorhome.

What Is the Fuel Mileage of a Gas Motorhome?

Larger motorhomes typically have larger engines and weigh more, resulting in lower fuel efficiency. The aerodynamics of the motorhome also play a role in fuel mileage. A boxier, less aerodynamic design will typically have lower gas mileage compared to a sleeker, more aerodynamic design.

The driving conditions and terrain you encounter can also impact fuel economy. Uphill driving and rough terrain require more power, which means your motorhome will consume more fuel.

Driving habits also play a significant role in fuel mileage. Aggressive driving, such as rapid acceleration and braking, consumes more fuel. Maintaining a consistent speed and avoiding sudden stops or starts can help improve gas mileage.

Additionally, the age and maintenance of your motorhome can affect fuel efficiency. Older motorhomes may have worn-out parts or outdated technology, which can contribute to lower fuel efficiency.

Lastly, the weight you carry in your motorhome can impact fuel mileage. Carrying excess weight, such as unnecessary belongings or filled water tanks, adds extra strain on the engine, resulting in lower fuel efficiency.

Overall, it’s important to consider these factors when estimating the fuel mileage of a gas motorhome. By being mindful of driving habits, performing regular maintenance, and keeping unnecessary weight to a minimum, you can improve gas mileage and make the most out of your motorhome adventures.

Tips for Improving Fuel Efficiency in a Gas Motorhome

  • Keep tires properly inflated
  • Avoid excessive idling
  • Reduce speed and drive at a steady pace
  • Use cruise control on highways
  • Remove unnecessary weight from the motorhome
  • Plan and optimize routes to avoid congestion
  • Maintain regular engine tune-ups
  • Use high-quality gasoline
  • Keep the air filter clean
  • Avoid sudden acceleration and braking
  • Consider installing a fuel efficiency device
  • Minimize use of air conditioning and other accessories
  • Avoid driving during peak traffic hours
  • Ensure proper alignment and wheel balance
  • Keep the motorhome well-maintained
  • Use synthetic lubricants for better engine performance


In conclusion, it’s clear that Class A motorhomes, being the largest and most luxurious option in the RV industry, don’t prioritize fuel efficiency. With lengths ranging from 26 to 45 feet, these behemoths are designed to provide ample space and upscale amenities, often sacrificing mileage in the process. On average, Class A motorhomes only achieve between 6 and 10 miles per gallon, making them less fuel-efficient compared to other classes. Therefore, while these motorhomes provide a high level of comfort and opulence, potential buyers should consider the trade-off in terms of fuel efficiency when making their purchasing decision.

Scroll to Top