HomeRVFuel vs Diesel RV: Which is Proper For You?

Fuel vs Diesel RV: Which is Proper For You?


So you already know you need a motorhome over a towable RV. However have you ever determined who wins the gasoline vs diesel RV debate? As you’d think about, each have benefits and downsides, so we’ve compiled this diesel vs gasoline RV shopping for information. 

Some necessary shopping for concerns embrace gas economic system, RV upkeep, new vs used choice, RV measurement, resale worth, and journey model. This information will present you ways gasoline versus diesel motorhomes examine for these standards, however let’s start with an summary of the professionals and cons of those two motorhome sorts.

Fuel vs Diesel RV Professionals and Cons

Ram Promaster RV with gas engine
The favored Ram ProMaster chassis encompasses a gasoline engine. It’s usually used for Class Bs and smaller Class Cs.

As a result of most of us are extra accustomed to gas-powered automobiles, we’ll start with gasoline motorhomes earlier than outlining the benefits and downsides of diesel pushers

Benefits of Fuel Motorhomes

Fuel motorhomes are cheaper to purchase and keep, and the components and labor wanted are much less specialised. It’s additionally usually simpler to search out locations to service gasoline RVs. 

Fuel is often cheaper than diesel gas and is simpler to search out. In case you plan on exploring many new locations and visiting extra distant areas, that could possibly be essential to you.

To stay compliant, you additionally gained’t want to fret about DEF (diesel exhaust fluid).  

Fuel engines are typically extra cold-resistant and carry out higher at excessive altitudes. Relying in your location or journey vacation spot, this could possibly be extraordinarily necessary.

Fuel RV Downsides

RVs with gasoline engines require extra frequent upkeep than ones with diesel engines.

Fuel engines burn gas sooner, so that you’ll be on the pump extra usually.

Fuel engines usually have decrease torque, which results in points climbing. Even for those who’re not towing, will probably be tough to take care of pace whereas climbing. On a climb, you’ll additionally must go heavy on the gasoline, which makes for a loud journey. It additionally works your engine exhausting and makes use of extra gas. This can be high quality for those who’re not RVing in mountainous areas. The identical is true for those who don’t plan to tow. 

In case you plan to tow, chances are you’ll miss that torque. Fuel RVs don’t have the towing energy diesel RVs do.

Positives of Diesel RVs

Diesel engines have an extended life and can outlast gasoline engines. The longer engine life does translate to a better resale worth for an RV.

Diesel RVs usually require much less frequent upkeep. You may drive a diesel engine for longer intervals of time between upkeep. That is undoubtedly a bonus for full-timers.

Diesel motorhomes often supply superior low-end torque. This is essential on the subject of towing and climbing mountains. Diesel RVs do are inclined to carry out higher within the mountains than gasoline RVs. You’ll have the ability to keep pace on a climb with out going heavy on the throttle, which is taxing on the engine. The higher torque can also be necessary for those who’re taking a look at bigger RVs, as they’re heavier and require extra torque to maneuver and rise up to hurry.

In case you plan to tow a car often, diesels are higher ready to deal with the extra pressure.

Diesel Motorhome Drawbacks

Diesel gas often prices greater than gasoline. Nonetheless, many RVers discover that the higher gas economic system of a diesel RV outweighs that detrimental.

A diesel engine’s usable powerband is within the decrease RPM vary. Once you get to increased RPMs, energy drops off. Fuel engines are completely different. They produce extra energy at increased RPMs than diesel engines. This leads to faster acceleration and sooner high speeds. In fact, that’s not too necessary whereas RVing.

Older diesel RVs don’t want diesel exhaust fluid (DEF), however newer ones do. Previously, some RVers discovered DEF costly and exhausting to search out. That’s not often the case in the present day, however it’s one other expense and fear to consider. Discovering DEF is unquestionably one thing to contemplate, however it’s obtainable at most service stations and big-box retailers.

Diesel motorhomes are dearer than their gasoline counterparts. How a lot this impacts your resolution might be impacted by your finances and sure the dimensions RV you need. 

Though much less frequent, diesel RV upkeep is dearer because of the specialised components and labor required.

Diesel vs Fuel Motorhomes: Important Shopping for Elements

A winding mountain road.
In case you plan to journey via plenty of mountain passes, a diesel RV, with its superior torque, could also be for you.

Now let’s take a look at these shopping for components we talked about earlier to see how diesel pusher vs gasoline class A motorhomes examine. We’ll declare a common winner for every class. 

Buy Price Winner: Fuel

All else equal, a Class A diesel motorhome will price greater than a Class A gasoline motorhome. From there, most different issues gained’t be equal. In in the present day’s RV market, Class A diesels usually have higher-end finishes and options not present in gasoline fashions.

Bonus Tip: Contemplate depreciation and resale worth. Traditionally, diesel motorhomes have maintained their resale worth higher than their gasoline counterparts.

Fuel Mileage Winner: Diesel (Possibly…)

If we’re going off strict miles per gallon, diesel is often the winner. Whereas diesel gas has persistently price greater than gasoline lately, everyone knows that gas costs fluctuate. So the precise gas price per mile is way more even.

Newer diesel engines additionally use Diesel Exhaust Fluid (DEF) to assist the diesel burn cleaner. DEF will not be technically gas, however it’s a recurring price to contemplate. Thankfully, most gasoline stations that supply diesel gas additionally supply DEF, particularly on main highways and interstates.

That stated, your true winner for this issue would require a direct model-to-model comparability. In different phrases, not all diesel motorhomes get higher gasoline mileage than gasoline motorhomes.

Bonus Tip: If time actually is cash, diesel is the winner. Filling a diesel tank from a fast-flow nozzle can take 25% or much less of the time it takes to fill a similar-sized gasoline tank at a normal auto gas pump.

Driveability Winner: Diesel

Diesel engines have increased torque at decrease RPMs. This implies extra obtainable energy when climbing hills and mountain roads—one thing RVs notoriously battle with. Diesel RVs additionally deal with higher when descending.

Fuel engines supply sooner acceleration, however this isn’t a serious promoting issue with RVs. The aim is cautious, measured driving—not the quickest 0 to 60 acceleration attainable.

Class A diesel motorhomes virtually all the time include air braking, which is extra dependable for stopping a heavy car sooner than the usual disc brakes on most Class A gasoline motorhomes.

However there are two necessary areas the place gasoline engines win for driveability. They have an inclination to carry out higher in chilly climates and at increased altitudes.

Bonus Tip: The rear engine in most Class A diesel motorhomes makes for a quieter driving expertise. In gasoline motorhomes, you usually sit proper on high of the engine—not all the time probably the most enjoyable place to be.

Towing Capability Winner: Diesel

Are you excited about hauling a toad in your travels? Diesel engines have the facility to drag extra weight due to their excessive torque at low RPMs.

Class A gasoline motorhomes often have a towing capability of round 5,000 kilos, whereas diesel motorhomes can usually pull 10,000-15,000 kilos.

Bonus Tip: When calculating your tow capability, think about your hitch ranking, general weight rankings, and extra. Right here’s a publish on some finest practices for dinghy towing.

Upkeep Winner: Tie!

Upkeep prices on gasoline engines are decrease than these on diesel engines. Like most passenger automobiles, homeowners can carry out some fundamental upkeep duties on gasoline motorhomes. In case you need assistance, restore outlets and techs are widespread and virtually all the time cost a decrease hourly charge than diesel techs.

Nonetheless, diesel engines usually require much less upkeep than gasoline engines. Working at a decrease RPM means components put on out much less usually, and issues happen much less often. However when service and repairs are wanted, it’s more durable to service your personal diesel engine. Elements are additionally usually dearer and take longer to reach.

Bonus Tip: Oil modifications for a diesel engine might be dear. They’re enormous and take a lot, way more oil than a gasoline engine.

Figuring out Your Fuel vs Diesel RV Desire

diesel-note-rv-oil-change-10-2023
Picture by Tenting World

Lastly, listed below are just a few inquiries to ask your self earlier than you head to your native RV seller.

What’s Your Very best RV Measurement?

Diesel engines are usually present in bigger motorhomes, with the necessary exception of some Class B RVs on Mercedes chassis.

  • Do you favor a smaller RV of 25 ft lengthy or much less?
  • Are you hoping to purchase a big RV of 38 ft or extra?

What Is Your Journey Type?

Journey model varies extensively from one RVer to a different. Many individuals journey to see their grandkids, others RV seasonally to flee the climate, and a few RV full-time. Listed here are some questions that will help you decide your journey model:

  • Do you propose to RV full-time?
  • Do you propose to RV part-time for a whole season?
  • Will you RV simply on weekends and holidays?
  • Will you RV in mountainous areas or flat areas?
  • Do you propose to drive your RV often, or will you arrive and never transfer the RV for weeks or months at a time?
  • Do you propose to tow?

How Vital is the Gas Economic system?

  • How necessary are rare fill-ups?
  • Are you RVing as a approach to save cash on holidays?

What’s Your Upkeep Desire?

  • In case you plan to reside in your RV full-time, how do you need to do common RV upkeep checks?
  • The place will you be for normal upkeep checks as a full-time RVer?
  • In case you plan to RV part-time, do you need to schedule upkeep for the season’s finish, when your RV might be saved?

Fuel vs Diesel RV: Which is Proper For You?

man using portable fuel tank to add gas to motorhome
Picture by Tenting World

So which one is best for you? It is determined by the way you need to RV. 

In case you’re out just a few weekends a 12 months, a Class A gasoline motorhome is perhaps well worth the financial savings. 

In case you’re full-timing, a Class A diesel motorhome is perhaps a greater match.

Staying in chilly climates? Stick with Fuel. 

Numerous climbing? Diesel is the way in which to go.

Weigh every issue to assist make your finest resolution. 


Neither a diesel RV nor a gasoline RV is inherently higher than the opposite. On the subject of the residing space of the RV, you’ll usually discover they’re comparable. That’s, so long as you’re not evaluating a luxurious class A diesel pusher to an entry-level class A or C that occurs to be gasoline!

Use these further assets to slim your motorhome search: 

What do you favor? Depart a remark under!