Best Fuel-Efficient Used Vans Ranked

This guide is your shortcut to finding the best value vans for your business or personal needs. We’ll rank some of the most economical vans available on the used market today, looking closely at fuel efficiency (MPG), payload capacity, engine options, and price practicality. From small city runners to large payload haulers, we cover:

• Top diesel and hybrid vans ranked by real-world fuel economy

• Breakdown by van size categories: small, medium, and large

• Specific MPG figures, ideal WLTP ratings, and payload notes

• Best options for commercial buyers, fleet efficiency, and high-mileage use

• Practical links to view and finance these vans through Carlton Motor Co

Let’s cut through the spec sheets and focus on real, working fuel economy.

Why Fuel Efficiency Still Reigns Supreme

When fuel prices fluctuate, MPG becomes more than just a spec—it’s a strategic decision. Whether you’re a local tradesperson, a delivery driver, or managing a fleet, low running cost vans are the unsung heroes of the road. Not only do they cut overheads, but they also reduce emissions, especially when opting for eco-friendly vans with hybrid or plug-in capabilities.

Many businesses now look at WLTP cycle ratings as a baseline, and for good reason. These figures give a better sense of real-world fuel economy than the older NEDC tests, and help rank vans by practical performance. Still, real driving conditions, load, and route will always affect the actual MPG you get.

Small Vans: Big on Efficiency, Nimble on the Road

1. Volkswagen Caddy

MPG (Combined): Up to 57.1
Engine: 2.0 TDI
Payload: ~700kg
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A familiar sight across UK roads, the Volkswagen Caddy is the benchmark for fuel-efficient compact vans. It's the ideal urban workhorse with a reputation for build quality and practicality. The latest diesel variants with BlueMotion Technology score remarkably well on fleet fuel efficiency, making them a go-to for courier businesses and mobile services alike.

"If your daily route weaves through tight streets or city centres, the Caddy's compact frame and high MPG will pay dividends in both time and money."

2. Citroen Berlingo

MPG (Combined): Up to 65.7
Engine: 1.5 BlueHDi
Payload: Up to 1,000kg
Explore Used Citroen Vans

A solid all-rounder, the Citroen Berlingo is often overlooked but rarely outperformed. It features one of the best MPG vans in the small van category, especially in diesel form. And with generous load space and clever cabin tech, it’s as much a mobile office as it is a delivery companion.

Medium Vans: Balance of Power, Space & MPG

3. Peugeot Partner / Toyota Proace City / Vauxhall Combo

MPG (Combined): ~54.4
Engine: 1.5 Diesel
Payload: 650–1,000kg
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Built on the same Stellantis platform, these economical work vans punch above their weight. Ideal for both tradespeople and small business owners, their shared 1.5-litre diesel engine is highly optimised for low consumption, especially over mixed driving cycles.

They don’t just deliver on economy—they’re also known for their comfortable interiors and up-to-date infotainment systems, which make long hours behind the wheel far more manageable.

Large Vans: Fuel Economy Where It Matters Most

4. Ford Transit Custom

MPG (Combined): Up to 46.3
Engine: 2.0 EcoBlue Diesel
Payload: Up to 1,450kg
Shop Used Ford Vans

Britain’s best-selling van for a reason, the Ford Transit Custom blends payload capacity, refined handling, and genuine fuel efficiency for its size. With modern diesel engines, start-stop technology, and aerodynamic updates, newer models can return MPG figures that rival even some medium vans.

If you're running a fleet, the Transit Custom stands out not just for MPG, but for ease of servicing, availability of parts, and driver satisfaction.

"Few vans deliver this level of flexibility without compromising fuel economy."

What About Financing a Fuel-Efficient Used Van?

Finding the right van is only half the equation—making it work within your budget is where things get serious. Whether you're upgrading your work vehicle or building a cost-conscious fleet, Carlton Motor Co offers tailored van finance options designed for flexibility.

From low-deposit agreements to business-specific deals, their team understands what matters to commercial drivers: monthly control, reliability, and return on investment.

5. Ford Transit Custom PHEV

MPG (Combined): Up to 176.6
Engine: 2.5L Petrol + Electric Motor
Electric Range: 25–35 miles
Charging: Standard Type 2

The Ford Transit Custom Plug-in Hybrid bridges the gap between traditional combustion and fully electric vehicles. Its hybrid system allows for short-distance electric-only driving—ideal for ULEZ zones or city centres—while the petrol engine offers extended flexibility.

For tradespeople working in city centres or under tight emission regulations, this hybrid is a future-proof solution that doesn't compromise on utility.

You can view our latest stock of used Ford vans to check availability of PHEV models.

6. LEVC VN5

MPG (Equivalent): Up to 382.8
Powertrain: Petrol Range Extender + Electric Drive
Turning Circle: 10.1m
Payload: 680–830kg

An unexpected yet brilliant contender, the LEVC VN5 is built by the same manufacturer behind London’s iconic black cabs. It's not your average van, and its unique range-extender electric setup makes it one of the green vans to watch. The petrol engine charges the battery, which in turn powers the wheels — leading to incredible fleet fuel efficiency when managed correctly.

Admittedly premium-priced when new, the VN5 is becoming a serious used option as more units hit the second-hand market. For city-based operations with frequent stops and starts, the VN5’s efficiency and turning radius are game-changers.

7. Toyota Proace City (Diesel)

MPG (Combined): Up to 54.4
Engine: 1.5 Diesel
Trim Highlight: Icon / Design
Business Suitability: Ideal for fleet or delivery use
Explore Toyota-Based Options

Although not hybrid, the Toyota Proace City shares a platform with several high mileage vans (Peugeot Partner, Vauxhall Combo, etc.) and brings Toyota's legendary reliability to the mix. It's a commercial van aimed at long-term durability and fuel-conscious businesses.

For companies seeking fleet consistency, the Proace City combines efficient diesel performance with low maintenance costs—key ingredients for a sustainable bottom line.

Medium & Large Diesel Vans That Still Lead the Pack

While alternative fuels are on the rise, diesel vans remain the backbone of the best vans for business, especially when payload capacity and long-distance performance are non-negotiable. Below are several strong contenders that maintain impressive fuel efficiency for their size.

8. Renault Trafic

MPG (Combined): Up to 47.2
Engine: 2.0L dCi
Payload: Up to 1,280kg
Find Used Renault Vans

The Renault Trafic continues to impress fleet buyers with its versatility and comfort. Not only does it hold its own against competitors like the Transit Custom, but it also excels in WLTP-tested efficiency, making it a top pick for medium van buyers.

With its spacious cargo area and strong real-world MPG, it’s an excellent van for delivery drivers and trades who need space without breaking the bank at the pump.

9. Mercedes-Benz Sprinter

MPG (Combined): Up to 32.8
Engine: 2.0L Diesel (Various Outputs)
Payload: 1,000kg+
View Mercedes-Benz Vans

You wouldn’t normally expect a large panel van to appear in a list focused on best MPG vans, but the Mercedes-Benz Sprinter delivers. Its latest generation uses refined 2.0L diesel engines that offer solid efficiency for its class, especially on motorways or consistent-speed delivery routes.

For businesses requiring a professional image, Sprinters combine fuel savings with brand prestige and interior comfort.

10. Fiat Ducato

MPG (Combined): Up to 34.4
Engine: 2.2 Multijet
Payload: Up to 1,500kg
Note: Shares base with Peugeot Boxer & Citroen Relay

Often grouped with its Stellantis siblings, the Fiat Ducato differentiates itself through subtle engine tweaks and impressive fuel consumption for such a large vehicle. For parcel delivery, construction, or trade services requiring heavy payloads, the Ducato proves that size doesn’t always mean waste.

Where to Go From Here

At this stage, we’ve explored a wide spread of top-ranked vans by fuel economy, from compact city zippers to full-sized load-luggers. Whether your priority is hybrid driving, diesel durability, or balancing MPG with payload, there’s a used van out there tailored to your needs—and your budget.

If you're still unsure where to begin, you can explore our full range of used vans, or let our experienced team guide you toward a solution that matches your use case and fuel efficiency goals.

Van Fuel Economy Comparison Matrix

Note: MPG figures are based on WLTP ratings and/or manufacturer claims. Real-world results vary based on load, driving conditions, and maintenance.

What’s the Best Fuel-Efficient Used Van... For You?

???? For Tradespeople

• Citroen Berlingo or Peugeot Partner

• High payload, low fuel use, and easy to maintain

???? For Multi-Vehicle Fleets

• Ford Transit Custom Diesel

• Uniform serviceability and solid WLTP economy make it a fleet-friendly choice

????? For City-Centre Deliveries

• VW Caddy or Ford Transit Courier

• Compact dimensions + great MPG = urban perfection

???? For Green Business Initiatives

• Ford Transit Custom PHEV or LEVC VN5

• Cut emissions and fuel spend at the same time

???? For Hauling Cargo or Parcels

• Fiat Ducato or Mercedes-Benz Sprinter

• Large van fuel efficiency without sacrificing space

Expert Tips: How to Improve Fuel Efficiency in Any Van

Whether you're driving one of the best MPG vans or something more dated, driving habits and maintenance still make a huge difference. Here’s how to maximise your miles:

1. Keep tyres properly inflated

   • Under-inflated tyres can increase fuel consumption by up to 3%

2. Avoid excess idling

   • Especially in winter—use timers and pre-warm features efficiently

3. Lighten your load

   • Unnecessary weight hurts MPG; organise tools and cargo smartly

4. Service regularly

   • Dirty air filters and worn components sap engine efficiency

5. Use cruise control on motorways

   • Reduces throttle inconsistencies that lead to fuel waste

6. Plan routes in advance

   • Minimise traffic delays and avoid peak hours when possible

Tip: Use an MPG calculator for vans to track your real-world efficiency and make informed adjustments to your driving style.

When Is It Time to Upgrade Your Van for Fuel Economy?

There’s a point where keeping your old van on the road just isn’t cost-effective anymore.

If your current van:

• Averages under 30 MPG

• Is outside ULEZ compliance

• Costs £1,500+ per year in repairs

• Lacks stop/start or eco-driving tech

…it might be more economical to upgrade to a newer, more fuel-efficient used van from our range. You’ll not only save on fuel, but also reduce downtime, maintenance costs, and emissions.

“Running an old van is like paying a hidden fuel tax every time you refuel.”

Explore our range of used vans or contact our team to help assess if now is the right time to switch.

Final Thoughts: Your Next Steps

Choosing the right van today isn't just about engine size or branding. It's about how much it costs to run, how it fits your work, and how it holds up in the years to come. Whether you're after economical work vans, green vans, or the most economical vans on the road, Carlton Motor Co can help.

• Start with our homepage to explore our full inventory

• Browse by brand (e.g. Volkswagen, Citroen, Renault)

• Discover flexible finance options tailored for your business

• Reach out for personalised recommendations

Drive smarter. Spend less. Go farther.

If you'd like a downloadable version of this guide or need help comparing specific models, feel free to reach out—we’d be happy to assist.

Frequently Asked Questions: Fuel-Efficient Used Vans

1. What’s considered a “good” MPG for a used van?

A “good” MPG for a used van depends on its size:

• Small vans: 50–60 MPG

• Medium vans: 40–50 MPG

• Large vans: 30–40 MPG

Anything above these ranges is considered excellent and often includes hybrid vans or specially tuned eco models.

2. Are manual or automatic vans more fuel efficient?

Traditionally, manual vans have offered better fuel economy. However, modern automatic transmissions (especially DSG or CVT) have closed the gap significantly and, in some cases, outperform manuals thanks to smarter gear shifting. Always compare real-world MPG, not just transmission type.

3. How can I verify the MPG of a used van before I buy it?

You can check:

• The manufacturer’s WLTP cycle figures

• Owner reviews or road test data

• Government databases like Vehicle Certification Agency

• Ask the seller for real-world usage logs (especially for ex-fleet vehicles)

Some online listings also include an MPG calculator for vans based on your driving habits.

4. Are smaller vans always more fuel efficient?

Not always. While small vans generally achieve better MPG due to lower weight and smaller engines, some medium vans (like the Ford Transit Custom PHEV) can outperform smaller models in urban settings due to hybrid efficiency. Payload needs should also be considered alongside MPG.

5. Do used hybrid vans have higher maintenance costs?

Not necessarily. Hybrid vans tend to have fewer moving parts in the drivetrain (especially in electric components), which can reduce wear and tear. However, battery replacements can be costly over time. Choosing a well-maintained model with service history reduces this risk.

6. How important is payload when comparing fuel-efficient vans?

Very. A van that achieves high MPG but can’t handle your typical payload will reduce efficiency in practice—you’ll need more trips. Always balance fuel economy with payload capacity, especially for commercial use.

7. Is it worth buying an older van with high MPG claims?

Only if the engine is well-maintained and emissions standards are acceptable for your area. Older vans may not be ULEZ compliant, and wear can significantly lower real MPG compared to published ratings.

8. Are electric vans cheaper to run than fuel-efficient diesels?

In most cases, yes—electric vans have lower running costs and fewer maintenance needs. However, initial purchase prices (even used) and charging infrastructure availability may be limiting factors for some buyers. Evaluate based on your daily mileage and charging options.

9. What are the best fuel-efficient vans for courier or parcel delivery?

Couriers should prioritise:

• VW Caddy (diesel)

• Toyota Proace City

• Citroen Berlingo

• Ford Transit Courier

• LEVC VN5 (for city-based eco fleets)

Look for low running costs, great MPG, and tight turning circles.

10. How often should I service a fuel-efficient van to maintain its MPG?

Follow the manufacturer's recommended intervals, usually:

• Every 12 months or 12,000–20,000 miles for diesel vans

• Every 2 years or 24,000–36,000 miles for some hybrid vans

Sticking to regular oil changes, air filters, and tyre checks helps maintain peak fuel economy and prevents gradual MPG decline.