Fuel vs Diesel RV: Which is Proper For You?

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Fuel vs Diesel RV: Which is Proper For You?

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

Some essential shopping for issues embrace gas financial system, RV upkeep, new vs used desire, RV dimension, resale worth, and journey model. This information will present you the way fuel 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 fuel engine. It’s typically used for Class Bs and smaller Class Cs.

As a result of most of us are extra aware of gas-powered automobiles, we’ll start with fuel motorhomes earlier than outlining the benefits and drawbacks of diesel pushers. 

Benefits of Fuel Motorhomes

Fuel motorhomes are inexpensive to purchase and preserve, and the components and labor wanted are much less specialised. It’s additionally typically simpler to seek out locations to service fuel RVs. 

Fuel is often inexpensive than diesel gas and is less complicated to seek out. When you plan on exploring many new locations and visiting extra distant areas, that might 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 might be extraordinarily essential.

Fuel RV Downsides

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

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

Fuel engines usually have decrease torque, which ends up in points climbing. Even in the event you’re not towing, it is going to be tough to keep up pace whereas climbing. On a climb, you’ll additionally must go heavy on the fuel, which makes for a loud trip. It additionally works your engine exhausting and makes use of extra gas. This can be high-quality in the event you’re not RVing in mountainous areas. The identical is true in the event you don’t plan to tow. 

When you plan to tow, you might miss that torque. Fuel RVs don’t have the towing energy diesel RVs do.

Positives of Diesel RVs

Diesel engines have a protracted life and can outlast fuel engines. The longer engine life does translate to the next resale worth for an RV.

Diesel RVs usually require much less frequent upkeep. You may drive a diesel engine for longer durations 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 likely to carry out higher within the mountains than fuel RVs. You’ll have the ability to preserve pace on a climb with out going heavy on the throttle, which is taxing on the engine. The higher torque can be essential in the event you’re taking a look at bigger RVs, as they’re heavier and require extra torque to maneuver and rise up to hurry.

When you plan to tow a car continuously, diesels are higher ready to deal with the extra pressure.

Diesel Motorhome Drawbacks

Diesel gas often prices greater than fuel. Nonetheless, many RVers discover that the higher gas financial system of a diesel RV outweighs that adverse.

A diesel engine’s usable powerband is within the decrease RPM vary. If you get to greater RPMs, energy drops off. Fuel engines are totally different. They produce extra energy at greater RPMs than diesel engines. This ends in faster acceleration and quicker high speeds. In fact, that’s not too essential whereas RVing.

Older diesel RVs don’t want diesel exhaust fluid (DEF), however newer ones do. Prior to now, some RVers discovered DEF costly and exhausting to seek out. That’s not often the case right this moment, however it’s one other expense and fear to consider. Discovering DEF is unquestionably one thing to contemplate, however it’s accessible at most service stations and big-box retailers.

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

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

Diesel vs Fuel Motorhomes: Crucial Shopping for Components

A winding mountain road.
When you plan to journey by way of a number of mountain passes, a diesel RV, with its superior torque, could also be for you.

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

Buy Value Winner: Fuel

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

Bonus Tip: Take into account depreciation and resale worth. Traditionally, diesel motorhomes have maintained their resale worth higher than their fuel counterparts.

Fuel Mileage Winner: Diesel (Perhaps…)

If we’re going off strict miles per gallon, diesel is often the winner. Whereas diesel gas has constantly price greater than fuel in recent times, 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 shouldn’t be technically gas, however it’s a recurring price to contemplate. Fortuitously, most fuel 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 fuel mileage than fuel 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 fuel tank at a normal auto gas pump.

Driveability Winner: Diesel

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

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

Class A diesel motorhomes virtually at all times include air braking, which is extra dependable for stopping a heavy car quicker than the usual disc brakes on most Class A fuel motorhomes.

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

Bonus Tip: The rear engine in most Class A diesel motorhomes makes for a quieter driving expertise. In fuel motorhomes, you typically sit proper on high of the engine—not at all times probably the most stress-free place to be.

Towing Capability Winner: Diesel

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

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

Bonus Tip: When calculating your tow capability, take into account your hitch score, total weight rankings, and extra. Right here’s a publish on some finest practices for dinghy towing.

Upkeep Winner: Tie!

Upkeep prices on fuel engines are decrease than these on diesel engines. Like most passenger automobiles, homeowners can carry out some primary upkeep duties on fuel motorhomes. When you need assistance, restore retailers and techs are widespread and virtually at all times cost a decrease hourly charge than diesel techs.

Nonetheless, diesel engines usually require much less upkeep than fuel engines. Working at a decrease RPM means components put on out much less typically, and issues happen much less continuously. However when service and repairs are wanted, it’s tougher to service your individual diesel engine. Elements are additionally usually costlier and take longer to reach.

Bonus Tip: Oil modifications for a diesel engine will be dear. They’re large and take a lot, way more oil than a fuel engine.

Figuring out Your Fuel vs Diesel RV Choice

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

Lastly, listed below are a couple of inquiries to ask your self earlier than you head to your native RV vendor.

What’s Your Superb RV Dimension?

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

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

What Is Your Journey Fashion?

Journey model varies broadly 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 below are some questions that can assist you decide your journey model:

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

How Vital is the Gasoline Economic system?

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

What’s Your Upkeep Choice?

  • When you plan to stay in your RV full-time, how do you wish to do common RV upkeep checks?
  • The place will you be for normal upkeep checks as a full-time RVer?
  • When you plan to RV part-time, do you wish to schedule upkeep for the season’s finish, when your RV shall 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 dependent upon the way you wish to RV. 

When you’re out a couple of weekends a yr, a Class A fuel motorhome is perhaps well worth the financial savings. 

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

Staying in chilly climates? Persist with Fuel. 

A number of climbing? Diesel is the best way to go.

Weigh every issue to assist make your finest resolution. 


Neither a diesel RV nor a fuel RV is inherently higher than the opposite. In the case of the dwelling space of the RV, you’ll typically 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 fuel!

Use these further assets to slender your motorhome search: 

What do you favor? Go away a remark under!


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