7 Best Class A Diesel Motorhomes

Last Updated on September 19, 2023 by

Class A diesel motorhomes are always heartwarming with their features and size.

These rigs can accommodate a whole family while providing the necessity to keep everyone in the family happy.

You would love your trips when you go out with friends in a class A diesel motorhome.

The advantage of the diesel engine is that you can get great mileage on the fuel as compared to gas engines.

In case you would want to select a diesel motorhome for your family use, then we have sorted some Best Diesel Powered Class A Motorhomes that you definitely need to look at.

So check out these Best Class A Diesel Motorhomes.

Name Chassis Brand and Model Fuel Type
Entegra Coach Aspire 38M Spartan K2 Diesel
Newmar Ventana 4369 Freightliner XC-Series Diesel
Forest River Berkshire 34B Freightliner XC-Series Diesel
Winnebago Forza 34T Freightliner XC-Series Diesel
Newmar Dutch Star 4369 Freightliner XC-Series Diesel
Thor Motor Coach Tuscany 40RT Freightliner XC-Series Diesel
Tiffin Open Road Allegro 36UA Ford V8 Diesel

Entegra Coach Aspire 38MEntegra Coach Aspire 38M
Newmar Ventana 4369Newmar Ventana 4369
Forest River Berkshire 34BForest River Berkshire 34B
Winnebago ForzaWinnebago Forza 34T
Newmar Dutch Star 4369Newmar Dutch Star 4369
Thor Motor Coach Tuscany 45AT Class A MotorhomeThor Motor Coach Tuscany 40RT
Tiffin Open Road AllegroTiffin Open Road Allegro 36UA

What are the Best Class A Diesel Motorhome?

1. Entegra Coach Aspire 38M

Entegra Coach Aspire 38M

The Entegra Coach Aspire 38M is the best Class A diesel motorhome that you can get for your family.

This RV is based on a Spartan K2 raised-rail structure and furnished with a Cummins L9 turbocharged 450 HP motor. Inside, carefully assembled hardwood cabinetry, premium Ultraleather furniture, and hand-laid porcelain floor tiles will cause you to feel you’re living in the best Class A Diesel RV.


At the point when you’re unwinding outside of this Class A RV, you will have the option to rest under a shade provided by double rooftop-mounted porch canopies.

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Furthermore, you will have the option to unwind and engage your favorite shows on a 50″ 4K Smart TV in the lounge or a 32″ LED 1080P Smart TV in the front overhead compartment.

It has three 15,000 BTU A/C units that will assist you with keeping the temperature agreeable inside during the most blazing months, and an Aqua-Hot 400D hydronic water and warming framework give in-floor heat all through the tools.

As far as ordinary accommodation, you’ll have the option to finish your clothing in the Whirlpool stacked washer and dryer inside this unit.

At last, the hitch at the rear of this best Class A RV for full-time living is appraised to tow as much as 15,000 pounds.

So you’ll have a lot of capacity to tow one more vehicle behind to make it simpler to get around once your RV is left.

Entegra Coach Aspire 38M

2. Newmar Ventana 4369

Newmar Ventana 4369

The next diesel class A motorhome that we have selected is the Ventana 4369 from Newmar. This is one of the most mind-blowing RV units on the lookout.

It is roomy, completely stacked home on wheels that offer inn-like solace and offices from home.


The Ventana 4369 is colossal, with a length of 43 feet and 10 inches. The inside space obliges the main suite, very much adorned living region, and a completely prepared kitchen.

Related Post:  6 Best Class A Gas Motorhomes (Gas Powered RV)

The room has an extra-large bed and a gigantic washroom with a shower and two separate sinks.

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All models in the Ventana series are furnished with cutting-edge highlights, including top-grade gadgets and present-day machines.

You also get an optional package for additional items.

Newmar Ventana 4369

3. Forest River Berkshire 34B

Forest River Berkshire 34B

If the other RVs are not your type, then the Berkshire 34B is the one that is definitely going to impress you.

It is an RV made for full-time living that eliminates all the problems of your living necessities.

There are no interruptions by planning a one-piece windshield in the cockpit of this RV.


Inside, you will get a 10″ run the radio with shading features and side view cameras that make it a lot simpler to explore your camping area without sending your sidekick outside to shout at you.

The Berkshire is based on a Freightliner XCR Raised-Rail frame and flaunts a super diesel engine. For environment control in this best Class A RV for full-time living, two A/C units assist you with keeping things cool.

There is a 35,000 BTU heater, and an electric chimney will assist you with remaining warm in the cooler months.

Discussing that traveler, the person will actually want to partake in the advantage of having a full computer system available to them while driving.

There are numerous section help handles on the two sides of the cockpit make it very simple to move all through the cabin seats when you’ve to get something in the back of the RV.

Forest River Berkshire 34B

4. Winnebago Forza 34T

Winnebago Forza

The Forza 34T is the next diesel class A motorhome we have selected for this list.

It is manufactured by Winnebago, which means it’s definitely a good RV. The family-accommodating RV looks exceptionally exquisite with full-body paint.

There couldn’t be a superior RV assuming you are considering having long outings to the nation over with your family or friends.


There is a living region slide-out that makes an extensive living space, which is extraordinary when you are going with a group of friends.

You can pick either a dinette/convertible couch combo or a fold-over of the sectional couch when purchasing the RV.

One more slide out opens up the room and kitchen regions.

The room obliges a huge bed and has a different sliding entryway assuming that you want security.

It will keep everybody loose and engaged with cutting-edge hardware, extravagant furnishings, and very good quality theater setups.

Winnebago Forza 34T

5. Newmar Dutch Star 4369

Newmar Dutch Star 4369

With a fancy inside plan and a lot of extravagant elements, the Newmar Dutch Star 4369 is our choice as the best Class A diesel motorhome.

This unit has a place with the brand’s one of the most notable models. One interesting choice that the Dutch Star 4369 offers is the three inside floor plan decisions.

You can pick one, relying upon your necessities and individual taste.


Different highlights incorporate an exceptional kitchen and a living space with a dinette and two couches.

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The main suite has a full twin-vanity washroom alongside another shower and-a-half. Three slide-outs ensure that you generally have additional room.

The 4369 flaunts an 8.9-liter 450 HP Cummins L diesel motor and offers a greatest towing limit of as much as 15,000 pounds.

A portion of the driving highlights of this extravagance class A diesel RV incorporates a programmed foothold control, auto race, and electronic soundness control.

In the back portion of this best Class A RV, an extra-large bed with a rich, pad top bedding gives an incredible spot to lay your head to rest for a bit.

In the shower, an overlap down seat makes it simpler to sit and clean your feet.

Newmar Dutch Star 4369

6. Thor Motor Coach Tuscany 40RT

Thor Motor Coach Tuscany 45AT Class A Motorhome

The Tuscany 40RT is an RV for full-time living that is worth its price.

In case that you’ve stirred up with regards to spending a lot of time outside, then this would be the best choice for your campsites and traveling necessities.

You can get safety from sun and rain under the double, rooftop-mounted power porch canopy with coordinated LED lighting and a lot more features that will make you smile.


There are leveling jacks with touchpad controls that permit you to handily change the level of your RV before you even leave the seat.

The entire holding tank limit flaunts a 91-gallon freshwater tank, a 70-gallon gray water tank, and a 51-gallon black water tank.

The Thor Motor Coach Tuscany 40RT is one of a handful of the best Class A RVs for full-time living that has all that you need.

The cabinet-style private unit is standard with both Tuscany floor plans.

In case that having the option to stack filthy plates and bowls into a dishwasher rather than hand washing doesn’t invigorate you, and you may be more intrigued by the treated steel private cooler with a french door and in-entryway ice and water detector.

You will also get a 55″ retractable LED Smart TV in the living region. At the point when it’s an ideal opportunity to take some rest at the bed and watch a good movie or show, there’s additionally a 32″ LED TV in the room.

For climate control consistently, the Tuscany is additionally furnished with a 65,000 BTU heater and three 15,000 BTU rooftop-mounted cooling units.

There are heated decks all through, and the holding tanks are even encased and warmed to hold things back from freezing throughout the cold weather months.

This is the Best Class A RV for Winter Living

Thor Motor Coach Tuscany 40RT

7. Tiffin Open Road Allegro 36UA

Tiffin Open Road Allegro

The Tiffin Open Road Allegro 36UA is also one of the most reasonable RV for full-time living in our list of best Class A diesel motorhomes.

This Diesel Pusher Class A RV is outfitted with a 350 HP 7.3-liter V8 motor that gives this RV a greatest towing limit of 4,000 pounds.

With the Allegro 36UA, you’ll be getting a 70-gallon freshwater tank, a 66-gallon gray water tank, and a 50-gallon black water tank.


There is a power deck canopy that gives shade or security from rain and hard sunlight.

There’s additionally a deck side outside TV so you can watch sports or different shows while you are sitting outside under the shade. Inside the dividers of this diesel Class A RV, there is shaped protection to help to forestall heat leaks.

Joined with two 13,500 BTU rooftop-mounted A/C units and a ducted heater framework, you ought to have the option to get the best from four season solace with this Class A RV.

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At the point when you’re driving, double scramble fans will assist with keeping you cool in the late spring, and a USB connector will permit you to charge your phone or other gadgets.

You’ll have the choice of furnishing the cockpit of this RV with an overhead, drop-down bunk in case that you really want additional resting space for youngsters or guests.

The kitchen in this Tiffin Class A RV includes a three-burner gas cooktop and a microwave with outside venting.

Tiffin Open Road Allegro 36UA

Tips for Maintaining Your Class A Diesel Motorhomes

There are a few tips that you need to see in case you want to take care of your Class A diesel motor home.

1. Weatherproofing And Insulation

Most RVs essentially don’t offer the sort of weatherproofing and protection you want to live in them easily during the coldest months of the year.

In any case, some do. Picking an RV with enough protection to offer four-season solace is most certainly an absolute necessity for full-time RV living.

2. Extra Room

At the point when you’re picking an RV for full-time living, you’ll need a decent set of extra rooms both inside and under. Fortunately, best class A RVs do offer a lot of extra room. In any case, assuming you’re changing from a more conventional home into an RV, the chances are very great that you’ll have to cut back a little.

Contingent upon whether you own more open-air entertainment stuff or more inside home stylistic themes and machines, you’ll either have to focus on the options with additional under-storage or more inside the extra room.

3. Tank Capacities

You will need to have a look at the tank limits. For full-time living, having a freshwater tank that holds 100 gallons versus 50 gallons can have a colossal effect as far as how regularly you’ll have to top off.

So the equivalent is valid for your black water and gray water tank limits. For every one of the three of these tank limits, more is better when you’re a full-time RVer.

If you are interested then check out Best Class B Diesel Motorhomes or Best Class C Diesel Motorhomes.


This was a discussion on best Class A diesel motorhome. We shared details for these RVs so that you can learn everything about them.

For more details, leave your comments and read our FAQ section.


What are the most reliable Class A motorhomes?

Some most reliable motorhomes in the Class A category are

  • Forest River FR3.
  • Tiffin Phaeton.
  • Coachmen Mirada.
  • Winnebago Vista.
  • Newmar Dutch Star.

What RVs have diesel engines?

Diesel motors are utilized on all sizes of RVs, in addition to the biggest Class A diesel RV that might be based on a Freightliner chassis. The littlest Class B, Class C, and B+ fixes can additionally be outfitted with diesel motors.

Which is better for a Class A RV gas or diesel?

When contrasting a diesel versus gas RV, diesel RVs are considerably more eco-friendly. That is half thought 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.

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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.