Gas vs Diesel Motorhome (Full Comparison)

Last Updated on September 26, 2023 by

There are numerous regions where gas and diesel RVs will quite often vary; however, there are extra contrasts dependent on the manufacturer of these engines. In case that you’re searching for an authoritative answer regarding whether to choose a gas or diesel RV, you will need deep research to understand everything about it.

This is the reason we have made up a complete comparison of Gas Vs Diesel RV in which you will see and understand the small differences that both of these engines have. With more details, you will clear up your mind even better.

gas vs diesel rv

Gas vs Diesel RV Motorhome

1. Eco-friendliness

When contrasting a gas vs diesel RV, diesel RVs are substantially more eco-friendly. That is not complete in light of the fact that diesel fuel has more prominent energy esteem than gas does. Its higher energy thickness implies that diesel fuel can present to 10 percent better efficiency by volume. One essential worry for RV owners is boosting motor power and effectiveness.

The owners need to be certain they are taking advantage of their fuel utilization. While diesel fuel is more costly than petroleum, contingent upon the model, it tends to be a lot less expensive over the long trip to drive a diesel motorhome in light of the further developed eco-friendliness. These engines are not very much tunable or upgradeable, but gas engines can be tuned and modified. This also leads to more fuel consumption for gas engines at high revs.

So assuming that you will travel a lot in your motorhome, driving it to the end of the country and living in it full time, you presumably need to pick a diesel RV. But, in case you are simply taking it a holiday and testing out the RV way of life, it presumably appears to be legit to pick a gas engine-powered RV.

Check out the Best Diesel Powered Class A Motorhome and Best Diesel Powered Class B Motorhome.

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2. Cost

The primary thought for some individuals looking at a new RV is cost. It’s really important to understand the cost of both of the engines. First-time RV purchasers frequently choose to go with a more affordable gas RV than a diesel motorhome. There are, obviously, different levels of value inside a classification. Contingent upon what you are searching for, the best gas RVs with less price are not as good as big diesel units.

There is a significant and observable distinction between the best extravagance diesel engine motorhomes and the gas-powered motorhomes. If you are hoping to save big on the cash yet get an extraordinary RV, you’re most likely searching for a better quality gas model.

Assuming you have been putting something aside for retirement so you can turn into a full-time RVer, you will be happy with a diesel engine. Diesel RVs will quite often hold their worth longer than gas RVs.

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3. Luxury

Comfort is really important to look at when you want to keep a motorhome for a long time. The comfort is mostly based on the chassis and frame of an RV motorhome. One thing you might disregard is the solace that the inside features. Many individuals experience difficulty zeroing in on the features until they’ve really begun to live in their motorhome.

They think they’ve invested well by looking at the gadgets and accessories along with the room, the bathroom, and the kitchen. But, when they own the camper, they understand it doesn’t feel like home the manner in which they figured it would. This isn’t an issue with the top manufacturers of the RVs, where even the gas RVs at the most reduced price tag seem like luxury motorhomes.

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Regardless of whether it’s a diesel or gas RV, you’ll presumably be blown away whenever you get your new RV. However, in a broader sense, a gas RV will most likely offer not so much solace but rather more little blemishes ones you don’t see until you invest a drawn-out time of energy in the motorhome. Diesel engine RVs are regularly ready to offer more pleasant insides and better parts, which is essential to a full-time camping experience than somebody simply getting into the RV way of life.

4. Power

A diesel motor is better in terms of power and towing capacity, implying that it will climb slopes better and keep up with your vehicle’s speed during a trip. It’s better over the gas engines when you view the comparison in the long term. Despite the fact that diesel fuel is regularly more costly than gas, diesel motors improve mileage, so the expense per mile might be less with a diesel motor.

Furthermore, adjusting a diesel motor is more exorbitant than a gas motor; however, it additionally requires less regular help.

5. Support

Gas motorhomes or engines are a lot more straightforward to keep up with and fix contrasted and the diesel engines. In case you have a good understanding of gas engines, you can easily maintain and fix them.

The only disadvantage of a gas engine is that it runs at higher RPMs. This implies it will consistently be working more independently than a diesel motor. Running at higher RPMs takes into account a smoother, calmer ride with quicker speed increase; however, more incessant upkeep is required.

Diesel RV motors are substantially more costly to keep up with and require particular preparation to support. Diesel motors run at a lower RPM. This implies more slow speed increase and lower maximum velocities, yet there is less strain on the motor, and you can place in more miles between overhauling.

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Primary Differences in Gas and Diesel Engine

Diesel Engines have:

  • Longer reach between fill-ups.
  • More power offset with Diesel Exhaust Fluid (DEF).
  • Higher fuel costs are offset by better eco-friendliness.
  • More starting expense offset by higher resale esteem.
  • More costly yet less maintenance.

Gas RV Mileage (MPG)

  • 8-10 MPG for Class A, 10 – 14+ MPG for Class B and Class C.
  • Less expensive than diesel.
  • Contingent upon the entire structure, RVs will have between 80 – 10 gallon tanks for Class A and 20-30 gallon tanks for Class B.
  • Has a scent when consumed, the smell can fill the lodge.
  • Far-reaching accessibility at all stores.
  • Has a more limited timeframe of realistic usability.

Diesel RV Mileage (MPG)

  • 8 – 18 miles for every gallon for Class C’s.
  • Class A RVs don’t give good mileage like Class Bs and B+ RVs.
  • Contingent upon the undercarriage, different RVs will have between 80-120 gallon tanks.
  • These engines are more costly than gas.
  • Accessible at most yet not all service stations.
  • Diesel has better fuel efficiency.
  • Diesel consumes cleaner than gas.

Final Verdict? Which is Better? Gas or Diesel RV?

While both of these engines are pretty good at performance, diesel engines are more likable and recommended in the long run. They also have a higher resale value as compared to gas engines.

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This was a comparison between a gas and diesel engine motorhome. We discussed the actual differences that a normal person may not be able to notice. For more, see FAQ.


What’s more solid diesel or gas?

The diesel engine will quite often be stronger and last longer than gas motors, with dependable activity and negligible required support.

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About Ted Mosby

I am Ted Mosby from Cleveland, Ohio. I am a Freelance Architect. I live in New Jersey, USA right now and I take my RV every alternate weekend. I own a Forest River Berkshire XLT Diesel 45A Class A Motorhome. As I am a Freelancer I can work anywhere so most of my work is done inside my camper remotely.