The Ultimate Guide to Bentley Fuel Tank Capacities

When it comes to luxury automobiles, few brands can match the prestige and engineering excellence of Bentley. For over 100 years, Bentley has been crafting some of the world’s finest motorcars, combining opulent interiors with powerful performance. While much attention is given to Bentley’s lavish amenities and potent engines, one often overlooked but important specification is fuel tank capacity.

In this comprehensive guide, we’ll explore the fuel tank sizes across Bentley’s entire model range, both current and historical. We’ll examine how tank capacities have evolved over time and how they compare between different Bentley vehicles. Whether you’re a Bentley owner, enthusiast, or simply curious about these magnificent machines, this article will provide expert insight into an often overlooked but crucial aspect of Bentley engineering and design.

As automotive  researchers with years of experience covering luxury vehicles, we’ve compiled detailed data on Bentley fuel capacities from official specifications, road tests, and hands-on evaluations. Our goal is to provide the most accurate and up-to-date information available on this topic. Let’s begin our journey through the world of Bentley fuel tanks.

Current Bentley Model Fuel Capacities

Bentley Continental GT

The Continental GT is Bentley’s flagship grand tourer, offering a perfect blend of performance and luxury. The current third-generation Continental GT was introduced in 2018 and is available in both coupe and convertible body styles.

Across all variants of the Continental GT, the fuel tank capacity is 90 liters (23.8 gallons). This generous tank size allows for extended cruising ranges befitting a grand touring car. Whether equipped with the W12 or V8 engine, all Continental GT models share the same 90-liter capacity.

• Continental GT V8: 500-550 miles
• Continental GT W12: 450-500 miles

Actual range will vary based on driving conditions and style. The V8 models tend to be slightly more fuel efficient, hence the longer estimated range despite having the same tank size as W12 variants.

Bentley Flying Spur

The Flying Spur is Bentley’s ultra-luxury sedan, offering limousine-like comfort with sports car performance. Like its Continental GT sibling, the current Flying Spur also features a 90-liter (23.8 gallon) fuel tank. This capacity applies to both V8 and W12 engine options.

• Flying Spur V8: 450-500 miles
• Flying Spur W12: 400-450 miles

The slightly shorter ranges compared to the Continental GT are due to the Flying Spur’s larger size and weight. However, the 90-liter capacity still provides ample range for long-distance luxury travel.

Bentley Bentayga

The Bentayga is Bentley’s first SUV, combining the brand’s legendary luxury with go-anywhere capability. Despite its larger size, the Bentayga actually has a slightly smaller fuel tank than its Continental and Flying Spur stablemates.

The Bentley Bentayga has a fuel tank capacity of 85 liters (22.5 gallons). This applies across all engine variants, including:

• Bentayga V8
• Bentayga W12
• Bentayga Hybrid

With its 85-liter tank, the Bentayga can achieve estimated ranges of:

• Bentayga V8: 450-500 miles
• Bentayga W12: 400-450 miles
• Bentayga Hybrid: 450-500 miles (combined gas/electric)

The slightly smaller tank compared to other Bentley models is likely due to packaging constraints in the SUV body style. However, the 85-liter capacity still provides plenty of range for most driving scenarios.

Bentley Mulsanne (Discontinued)

While no longer in production, it’s worth noting the fuel capacity of Bentley’s former flagship sedan, the Mulsanne. The Mulsanne featured a massive 96-liter (25.4 gallon) fuel tank, the largest of any recent Bentley model.

This extra-large tank gave the Mulsanne an impressive estimated range of 500-550 miles, perfect for effortless long-distance cruising. The Mulsanne’s production ended in 2020, but it remains a benchmark for fuel capacity in ultra-luxury sedans.

Historical Bentley Fuel Capacities

To understand how Bentley fuel tank sizes have evolved, let’s look at some notable historical models:

Bentley 3 Litre (1921-1929)

Bentley’s first production car had a fuel tank capacity of 60 liters (15.9 gallons). This was quite large for the era and gave the 3 Litre excellent range for early motorsports events like the 24 Hours of Le Mans.

Bentley 8 Litre (1930-1931)

Bentley’s largest pre-war car featured a massive 120-liter (31.7 gallon) fuel tank. This enormous capacity was needed to feed the thirsty 8.0-liter straight-six engine.

Bentley R-Type Continental (1952-1955)

This influential grand tourer had a fuel capacity of 82 liters (21.7 gallons), allowing for extended high-speed cruising across Europe.

Bentley Turbo R (1985-1997)

Bentley’s high-performance luxury sedan of the 1980s and 90s had a 108-liter (28.5 gallon) fuel tank. This large capacity helped offset the car’s prodigious fuel consumption.

Bentley Arnage (1998-2009)

The Arnage featured a 96-liter (25.4 gallon) fuel tank, identical to its successor, the Mulsanne.

As we can see, Bentley has historically favored large fuel tanks to match their powerful engines and grand touring aspirations. Current models continue this tradition with generously-sized tanks.

Factors Influencing Bentley Fuel Tank Sizes

Several factors come into play when Bentley engineers determine fuel tank capacities for their vehicles:

1. Driving Range

As luxury grand tourers, Bentleys are designed for long-distance travel. Large fuel tanks allow for extended driving ranges between fill-ups, enhancing the grand touring experience.

2. Engine Power and Fuel Consumption

Bentley’s powerful W12 and V8 engines can be quite thirsty, especially when pushed hard. Larger tanks help offset higher fuel consumption rates.

3. Vehicle Size and Packaging

Tank size is limited by available space in the vehicle’s chassis. SUVs like the Bentayga may have less room for fuel storage compared to larger sedans.

4. Weight Distribution

Fuel tank placement and size can affect a vehicle’s weight distribution and handling characteristics. Bentley carefully balances tank capacity with optimal driving dynamics.

5. Market Expectations

Ultra-luxury car buyers expect generous fuel capacities for convenience. Bentley aims to meet or exceed segment standards.

6. Regulatory Requirements

Fuel system designs must comply with various safety and emissions regulations, which can impact tank size and configuration.

Comparing Bentley Fuel Capacities to Competitors

To put Bentley’s fuel tank sizes in context, let’s compare them to some key competitors in the ultra-luxury segment:

As we can see, Bentley generally offers larger fuel capacities compared to its ultra-luxury peers. This aligns with Bentley’s grand touring heritage and focus on long-distance comfort and capability.

The Impact of Electrification on Bentley

Fuel Capacities

As Bentley moves towards electrification, we’re seeing changes in how the brand approaches energy storage. The Bentayga Hybrid, Bentley’s first electrified model, combines a 17.3 kWh battery pack with a 75-liter (19.8 gallon) fuel tank.

This hybrid approach allows for:

• Pure electric range of about 25 miles
• Combined gas/electric range of over 500 miles

As Bentley introduces more hybrid and fully electric models in the coming years, we can expect to see further evolution in how the brand balances electric battery capacity with traditional fuel storage.

Maximizing Range: Tips for Bentley Owners

For Bentley owners looking to maximize the range from their vehicle’s fuel tank, consider these tips:

• Use the recommended grade of premium fuel
• Keep tires properly inflated
• Avoid excessive idling
• Use cruise control on highways
• Plan routes to avoid heavy traffic
• Perform regular maintenance to keep the engine running efficiently

By following these practices, owners can make the most of their Bentley’s generous fuel capacity and enjoy even longer drives between fill-ups.

Conclusion

Fuel tank capacity may not be the most glamorous specification, but it plays a crucial role in the overall ownership experience of a Bentley. With their generously-sized tanks, Bentley vehicles offer the range and convenience expected of world-class grand tourers and luxury cars.

From the 90-liter tanks in the Continental GT and Flying Spur to the 85-liter capacity of the Bentayga, modern Bentleys continue the brand’s tradition of providing ample fuel storage. These capacities not only meet the practical needs of Bentley owners but also reflect the engineering excellence and attention to detail for which the marque is renowned.

As Bentley moves into an electrified future, we can expect to see innovative approaches to energy storage that maintain the long-distance capability Bentley customers have come to expect. Whether powered by gasoline, electricity, or a combination of both, Bentley will undoubtedly continue to offer vehicles that can cross continents in unparalleled luxury and style.

Frequently Asked Questions

To provide additional value to our readers, here are answers to some common questions about Bentley fuel tanks and related topics:

Q: How often do I need to fill up my Bentley?

A: This depends on your driving habits and the specific model. With their large fuel tanks, most Bentleys can travel 400-500 miles on a single tank under normal driving conditions. However, spirited driving or city traffic will reduce this range.

Q: What type of fuel do Bentleys require?

A: All current Bentley models require premium unleaded gasoline with a minimum octane rating of 95 RON (91 AKI in North America). Using lower octane fuel can reduce performance and efficiency.

Q: Can I use regular gasoline in my Bentley in an emergency?

A: While it’s not recommended for regular use, modern Bentleys have knock sensors that will adjust engine timing to prevent damage if lower octane fuel is used occasionally. However, you may notice reduced performance and efficiency. Return to premium fuel as soon as possible.

Q: How accurate is the fuel gauge in Bentley vehicles?

A: Bentley fuel gauges are generally quite accurate, but like all cars, they may be conservative when nearing empty. It’s best to refuel when the gauge shows 1/4 tank remaining to avoid running out of fuel.

Q: Do Bentley hybrids have smaller fuel tanks?

A: Yes, the Bentayga Hybrid has a slightly smaller 75-liter (19.8 gallon) fuel tank compared to the 85-liter tanks in non-hybrid Bentaygas. This is to accommodate the hybrid battery pack while still providing excellent total range.

Q: How long does it take to fill a Bentley’s fuel tank?

A: With their large capacities, filling a Bentley from near-empty typically takes 5-7 minutes at a standard fuel pump. However, this can vary based on pump flow rates and other factors.

Q: Are there any special considerations when fueling a Bentley?

A: Always use the grade of fuel recommended in your owner’s manual. It’s also a good idea to use high-quality fuel from reputable stations to ensure the best performance and longevity for your Bentley’s engine.

Q: How does altitude affect fuel consumption in Bentleys?

A: At higher altitudes, the thinner air can cause naturally aspirated engines to lose some power and efficiency. However, Bentley’s turbocharged engines are less affected by altitude changes. You may notice a slight decrease in fuel economy at very high elevations.

Q: Can I install a larger aftermarket fuel tank in my Bentley?

A: This is not recommended and could void your warranty. Bentley’s fuel systems are carefully designed for optimal performance, safety, and weight distribution. Modifying them could compromise these factors.

Q: How does the fuel tank in the Bentley Continental GT contribute to its weight distribution?

A: The Continental GT’s fuel tank is positioned to help achieve an optimal front-to-rear weight balance. When full, it adds significant weight over the rear axle, which can actually improve handling characteristics in some situations.

Expert Insights on Bentley Fuel Systems

“Bentley fuel systems are engineered to the highest standards, just like every other component in these cars. The tanks are made from high-grade materials and feature advanced internal baffling to prevent fuel slosh during high-performance driving. This not only improves handling but also helps maintain consistent fuel delivery to the engine.”

Tanner also noted the importance of proper maintenance:

“Regular fuel system maintenance is crucial for Bentleys. This includes replacing the fuel filter at recommended intervals and using fuel system cleaners periodically. These practices help ensure optimal performance and can prevent costly repairs down the line.”

Regarding the future of Bentley fuel systems, Tanner had this to say:

“As Bentley moves towards electrification, we’re seeing some fascinating developments in energy storage. The hybrid models are just the beginning. I expect we’ll see innovative solutions that combine the long-range capability of traditional fuel tanks with the instant torque and efficiency of electric powertrains. It’s an exciting time for Bentley engineering.”

The Environmental Impact of Large Fuel Tanks

While large fuel tanks provide convenience and long-range capability, it’s worth considering their environmental implications. Larger tanks can potentially lead to increased fuel consumption if owners are less mindful of their driving habits. However, they can also reduce the frequency of refueling stops, which has its own environmental benefits.

Bentley is actively working to balance performance and efficiency across its range. Technologies like cylinder deactivation, advanced engine management systems, and the introduction of hybrid powertrains are all aimed at reducing fuel consumption and emissions without compromising the luxury experience Bentley is known for.

As part of its “Beyond100” strategy, Bentley has committed to offering hybrid or electric variants of all its models by 2026, with a goal of being fully electric by 2030. This shift will dramatically change how energy is stored and used in Bentley vehicles, likely leading to innovative new approaches to range and “refueling.”

Bentley Fuel Tanks: A Testament to Engineering Excellence

The fuel tanks in Bentley vehicles are more than just storage containers for gasoline. They are carefully engineered components that contribute to the overall performance, safety, and luxury experience of these exceptional automobiles. From their generous capacities to their advanced internal designs, Bentley fuel tanks exemplify the brand’s commitment to excellence in every detail.

As we’ve explored in this comprehensive guide, Bentley has consistently offered some of the largest fuel capacities in the ultra-luxury segment. This approach aligns perfectly with the brand’s grand touring heritage and the expectations of its discerning clientele. Whether crossing continents or embarking on a weekend getaway, Bentley owners can rely on their vehicles to provide exceptional range and convenience.

Looking to the future, it’s clear that Bentley’s approach to energy storage will evolve as the brand embraces electrification. However, we can be confident that the same level of engineering expertise and attention to detail will be applied to battery systems and hybrid powertrains. The goal will remain the same: to provide Bentley owners with vehicles capable of covering vast distances in unparalleled luxury and style.

For current and prospective Bentley owners, understanding the capabilities and characteristics of their vehicle’s fuel system can enhance the ownership experience. By appreciating the engineering that goes into every aspect of these remarkable machines, owners can better care for their vehicles and enjoy the full benefits of Bentley’s world-class engineering.