Which Type of Van Should You Choose for Camper Conversions? A Guide to the Most Common Platforms

When you decide to build your dream adventure vehicle, the van you choose becomes the foundation for everything that follows. The platform determines your interior layout, standing height, storage potential, driving performance, and maintenance costs. For camper van conversions, not all vans are created equal, and the right choice depends on how you plan to travel, how much space you need, and how much you want to invest.

This guide breaks down the most common types of vans used for camper conversions by brand, model, size, and purpose so you can choose the platform that best fits your lifestyle.

TL;DR Summary:

• Sprinter Vans: High-roof, premium builds with diesel engines and AWD/RWD options.
• Ford Transits: Well-balanced gas vans with RWD or AWD capabilities.
• Ram ProMasters: Budget-friendly, wide-body, FWD vans with great interior space.

Mercedes-Benz Sprinter

The Mercedes-Benz Sprinter is the gold standard in the van conversion world. Known for its premium build, advanced safety features, and reliable diesel engines, it’s the platform of choice for many full-time travelers and high-end builds.

Available Models: 144″ WB and 170″ WB (with Extended versions)

Drive Options: RWD or AWD

Engine Options: Diesel or Gasoline

Key Advantages:

• High-roof options ideal for full standing height conversions
• Long-lasting diesel engines (300k+ miles lifespan with proper care)
• Excellent off-grid and adventure capabilities with AWD
• Strong resale value

Potential Drawbacks:

• Highest upfront cost among major platforms
• More expensive and sometimes harder to service, especially in remote areas
• Narrower body compared to ProMaster, slightly reducing layout width

Best For: Full-time travelers, off-grid builds, or premium adventure vans.

Ford Transit

The Ford Transit has become one of the most versatile and builder-friendly options on the market. Offering a balance between cost, comfort, and reliability, it has gained popularity among both DIYers and professional van builders.

Available Models: 148″ WB and 148″ Extended (EXT)

Drive Options: RWD or AWD

Engine Options: Gasoline (diesel in select years)

Key Advantages:

• Lower cost of ownership and more service availability across the U.S.
• Excellent balance between size, power, and fuel efficiency
• High-roof model allows standing height for most adults
• AWD option adds all-terrain capability

Potential Drawbacks:

• Slightly narrower interior than the ProMaster
• Resale value isn’t as high as the Sprinter

Best For: Weekend adventurers, long-term travelers, or anyone seeking a cost-effective and reliable high-roof platform.

Ram ProMaster

The Ram ProMaster is the most affordable and DIY-friendly of the three. Its front-wheel-drive system, boxy shape, and extra interior width make it popular for simple or budget-conscious conversions.

Available Models: 136″ WB, 159″ WB, and 159″ Extended (EXT)

Drive Options: FWD only

Engine Options: Gasoline

Key Advantages:

• Most affordable large van platform
• Boxy design maximizes usable space (ideal for sideways beds)
• Widest interior of all three platforms
• Easier to drive and maneuver in urban environments

Potential Drawbacks:

• FWD struggles with traction in mud, snow, or steep grades
• More limited ground clearance
• Lower resale value

Best For: Budget builds, weekend getaways, or urban-based van life where maneuverability matters more than ruggedness.

Comparison Table: Sprinter vs Transit vs ProMaster

Matching Your Van to Your Goals

Before choosing your platform, ask yourself these questions:

• How often will you travel? For full-time or cross-country travel, prioritize durability and interior comfort.
• What terrain will you drive on? Choose AWD or RWD if you’ll be in snow, sand, or mountain roads.
• What’s your build budget? A Sprinter can cost twice as much as a ProMaster, both in purchase and maintenance.
• How important is standing height? High-roof models in all three platforms make long-term living more comfortable.
• Do you plan to resell? Sprinters tend to hold their value the longest.

Frequently Asked Questions

Which drive type is best: RWD, AWD, or FWD?
It depends on your travel style. AWD and RWD vans like the Sprinter and Transit perform better on rough terrain or in snowy conditions, while FWD vans like the ProMaster handle better in urban environments and wet pavement due to increased traction.

What size van offers enough standing height for full conversions?
High-roof versions of the Sprinter, Transit, and ProMaster all provide standing room for people around 6'2"–6'6". These models are ideal for builds that include kitchens, showers, or overhead storage.

Which van is easiest and cheapest to maintain?
The Ford Transit generally wins for ease and affordability of maintenance thanks to its large U.S. dealership network and readily available parts. ProMasters are also relatively simple to service, while Sprinters can cost more and may require specialized mechanics.

How much interior space do I get with different wheelbases?
Shorter wheelbases like the Sprinter 144" or ProMaster 136" are easier to maneuver but limit layout length. Longer wheelbases such as the Sprinter 170" or Transit 148 EXT provide more room for beds, storage, and bathrooms but require careful parking and turning.

What are the real pros and cons of Sprinter vs Transit vs ProMaster?
The Sprinter offers the best build quality, diesel longevity, and AWD capability but comes with higher costs. The Transit provides balance between comfort, power, and service availability. The ProMaster delivers affordability and width for sideways bed layouts, though its FWD limits off-road potential.

Final Thoughts

Choosing the right van for your camper conversion comes down to priorities: comfort, capability, and cost.

• The Sprinter offers premium build quality, longevity, and advanced drive systems for serious travelers.
• The Transit provides a well-rounded balance of affordability and practicality.
• The ProMaster gives maximum interior space and value for those on a tighter budget.

At Boondock Van Co., the focus is on the models that provide the best comfort, standing space, and design flexibility for real-world travel. Whether you choose a Sprinter 170, a Transit 148 EXT, or a ProMaster 159 EXT, the goal is the same: to build a van that takes you wherever you want to go. Comfortably, safely, and in style.