2004 Subaru Legacy B4 2.0 B4 CNG ( Natural Gas Vehicle ) Specs

OVERVIEW

With a fuel consumption of 34.5 mpg US - 41.5 mpg UK - 6.8 L/100km, a weight of 3130 lbs (1420 kg), the Subaru Legacy B4 2.0 B4 CNG ( Natural Gas Vehicle ) has a horizontal opposite 4 cylinder DOHC16 valve AVCS engine, a Electricity/Others engine EJ20. This engine EJ20 produces a maximum power of 152 PS (150 bhp - 111.8 kW) at 6800 rpm and a maximum torque of 163.7 Nm (120.7 lb.ft - 16.7 kg.m) at 4400 rpm. The engine power is transmitted to the road by the four wheel drive (4WD) with a 4AT gearbox. For stopping power, the Subaru Legacy B4 2.0 B4 CNG ( Natural Gas Vehicle ) braking system includes Disk at the rear and Ventilated disk at the front. Stock tire sizes are 205/55 on 16 inch rims at the rear and 205/55 on 16 inch rims at the front. Chassis details - Subaru Legacy B4 2.0 B4 CNG ( Natural Gas Vehicle ) has multi-link type independent suspension rear suspension and strut independent front suspension for road holding and ride confort.

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By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on April 23, 2024

Introduction

The 2004 Subaru Legacy B4 2.0 B4 CNG marks an innovative foray into the realm of alternative fuel vehicles. With a focus on sustainability, this sedan integrates Compressed Natural Gas (CNG) technology seamlessly into its core. Representing a notable shift from conventional gasoline, the Legacy B4 CNG embraces environmentally conscious mobility.

This model's production span from May 2004 signifies Subaru's dedication to exploring fuel-efficient alternatives. As a 4WD sedan, it combines practicality and performance while venturing beyond traditional propulsion methods. The Legacy B4 CNG's unique selling point lies in its adaptation to natural gas, reducing the carbon footprint associated with typical fossil fuel use.

Equipped with a 4-speed automatic transmission, the 2004 Legacy B4 CNG encompasses engineering that harmonizes with its environmental commitment. The 1994 cm3 engine capacity houses the EJ20 engine code, showcasing Subaru's signature boxer engine configuration. This four-cylinder, DOHC16-valve AVCS engine is a testament to the brand's pursuit of efficiency and performance.

The exterior dimensions of this sedan—measuring 463.5 cm in length, 173 cm in width, and 142.5 cm in height—encapsulate a compact and sleek design. A generous wheelbase of 267 cm provides stability and interior space optimization. Boasting 4 doors and a 5-seat capacity, the Legacy B4 CNG caters to practical family-oriented use.

The Legacy B4 CNG embodies a unique driving experience, accentuated by its Super Low Emission Vehicle (SLEV) classification. Operating on natural gas, it achieves an impressive fuel consumption rate of 34.5 mpg US in the 10/15 mode, which equates to 6.8 L/100km. This efficiency underlines its commitment to reducing environmental impact while maintaining road prowess.

A versatile suspension system featuring strut independent front suspension and a multi-link independent rear suspension ensures a balanced ride. With 205/55 R16 tires and ventilated front disc brakes, the Legacy B4 CNG emphasizes both safety and control.

Inside, standard features like power windows, power steering, and centralized door locking provide convenience. The inclusion of standard safety features such as airbags and side-impact bars upholds Subaru's commitment to occupant well-being. Technological offerings like power-adjustable mirrors and xenon lamps further enhance the driving experience.

In conclusion, the 2004 Subaru Legacy B4 2.0 B4 CNG encapsulates a forward-looking approach to automotive design, showcasing the brand's dedication to sustainable mobility. Its fusion of natural gas technology with Subaru's engineering prowess delivers a unique and eco-friendly driving proposition, making a significant statement in the landscape of alternative fuel vehicles.

Model Overview

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) stands as a testament to Subaru's innovative spirit in the automotive landscape. Designed with a forward-thinking approach, this model presents a unique proposition by integrating Compressed Natural Gas (CNG) technology into its framework. As a result, the Legacy B4 CNG presents a compelling alternative for environmentally-conscious drivers seeking efficiency without compromising performance.

This particular model variant was produced from May 2004, offering a specific time frame for those intrigued by the advantages of CNG-powered vehicles. With its 4WD configuration, the Legacy B4 CNG offers traction and stability suitable for a variety of driving conditions, embodying Subaru's commitment to practicality and versatility.

The 2004 Legacy B4 CNG showcases a refined exterior design that aligns with its sedan classification. Boasting sleek lines and a purposeful stance, this model exudes a sense of understated elegance. The integration of CNG technology is seamlessly achieved without compromising the Legacy's iconic appearance, making it an intriguing option for those seeking a distinctive vehicle with an eco-friendly twist.

Under the hood lies Subaru's signature engineering prowess. Powered by the EJ20 engine with a 1994 cm3 displacement, this four-cylinder DOHC engine reflects Subaru's dedication to performance and efficiency. The innovative inclusion of the AVCS (Active Valve Control System) adds sophistication to the engine's operation, enhancing both power delivery and fuel efficiency.

The Legacy B4 CNG's interior is designed to provide a comfortable and ergonomic driving experience. With standard features like power windows, power steering, and centralized door locking, the model maintains a user-friendly interface. Safety features, including airbags and side-impact bars, underscore Subaru's commitment to occupant protection, while technological offerings such as power-adjustable mirrors and xenon lamps enhance convenience and visibility.

Incorporating CNG technology, the Legacy B4 CNG stands out for its environmental consciousness. With its Super Low Emission Vehicle (SLEV) classification and impressive fuel consumption rates, it addresses concerns about fuel efficiency and emissions. This model's adaptability to CNG showcases Subaru's dedication to sustainable mobility solutions, marking a significant step forward in the automotive landscape.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) presents an intriguing model that aligns innovation with practicality. Its integration of CNG technology, commitment to performance, and Subaru's distinctive engineering make it a noteworthy choice for drivers who seek both driving pleasure and environmental responsibility.

Year-wise Variations

Over its production span from May 2004, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) maintained its core attributes while offering a consistent driving experience. Subaru's commitment to sustainable mobility solutions remained a driving force, making the Legacy B4 CNG a unique option within the automotive landscape.

Throughout its production year, the Legacy B4 CNG retained its 4WD configuration, providing reliable traction and handling across various driving conditions. This feature contributed to its reputation as a practical and versatile sedan, suitable for both urban commutes and adventurous journeys.

The integration of Compressed Natural Gas (CNG) technology set the Legacy B4 CNG apart from its gasoline counterparts. This distinctive characteristic remained consistent across all year-wise variations. The commitment to reducing emissions and environmental impact was a defining aspect of this model, resonating with drivers who sought greener alternatives.

Subaru's dedication to innovation extended to the model's engineering and performance. The EJ20 engine with its 1994 cm3 displacement maintained its place under the hood throughout the production year. The inclusion of the Active Valve Control System (AVCS) continued to enhance engine efficiency and power delivery, ensuring a balance between performance and sustainability.

The interior of the Legacy B4 CNG remained consistent in offering a comfortable and user-friendly driving experience. Standard features like power windows, power steering, and centralized door locking provided convenience, while safety features such as airbags and side-impact bars reinforced occupant protection.

In terms of year-wise variations, the Legacy B4 CNG stood as a testament to Subaru's dedication to sustainable mobility. The model's ability to operate on Compressed Natural Gas showcased an innovative approach to reducing the carbon footprint associated with conventional gasoline vehicles. Despite potential updates or adjustments, the core values of efficiency, performance, and environmental consciousness remained unwavering.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) demonstrated consistency in its commitment to CNG technology and sustainable mobility. Regardless of potential year-wise changes, the model retained its identity as an environmentally conscious and performance-oriented sedan, offering a unique driving experience for those who valued both efficiency and driving pleasure.

Trim Levels

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) presented a streamlined approach to trim levels, aligning with its focus on sustainable mobility and innovation. Throughout its production year, this model emphasized Compressed Natural Gas (CNG) technology as its defining feature, making trim variations centered around this core concept.

In line with Subaru's commitment to environmental consciousness, the Legacy B4 CNG model remained consistent in its trim offerings. Rather than diversifying trim levels based on additional features or options, Subaru's approach was rooted in maintaining the integrity of the CNG technology across all variants. This approach ensured that drivers who chose the Legacy B4 CNG were embracing its eco-friendly driving proposition.

The dedication to a singular trim level was a strategic move to underline the importance of CNG technology in the Legacy B4 model lineup. While other vehicles might offer a range of trim levels with varying features, the Legacy B4 CNG emphasized its core value of environmental sustainability.

This streamlined approach also resonated with drivers who sought a vehicle that was purpose-built for CNG operation. By prioritizing the CNG aspect and avoiding unnecessary variations, Subaru maintained a clear message about the model's identity and purpose. As a result, drivers looking for an eco-conscious sedan with CNG capabilities could find a straightforward and consistent option in the 2004 Legacy B4 CNG.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) pursued a focused approach to trim levels, emphasizing the core value of Compressed Natural Gas technology. By maintaining a singular trim offering centered around CNG, Subaru reinforced its commitment to sustainability and offered a unique option for drivers who prioritized environmental responsibility in their automotive choices.

Engine Specifications

The heart of the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) lies in its well-engineered powertrain, designed to harmonize performance with eco-consciousness. At the core of this model's identity is the EJ20 engine, a 1994 cm3 marvel that embodies Subaru's commitment to innovation and sustainability.

The EJ20 engine, identified by the engine code EJ20, is a horizontally opposed four-cylinder configuration. This design, also known as a boxer engine, offers inherent balance and compactness, contributing to the Legacy B4 CNG's overall stability and driving experience. This 16-valve engine incorporates Subaru's innovative Active Valve Control System (AVCS), enabling dynamic adjustments to valve timing for optimal performance and efficiency.

With a maximum power output of 152 PS or 150 bhp, the EJ20 engine seamlessly marries power with eco-friendliness. At 6800 rpm, the engine demonstrates its capability, showcasing the potential for spirited acceleration while maintaining efficiency. The engine's torque, reaching up to 163.7 Nm or 120.7 lb.ft at 4400 rpm, ensures a responsive and dynamic driving experience.

One of the key features of the EJ20 engine is its Variable Valve Timing system (AVCS), which adjusts valve timing to optimize combustion efficiency and power delivery across different driving conditions. This technology aligns with the Legacy B4 CNG's commitment to efficient and environmentally conscious performance.

The engine's compatibility with Compressed Natural Gas (CNG) speaks to Subaru's forward-thinking approach. By enabling the use of alternative fuels, the Legacy B4 CNG extends its impact beyond the road, contributing to reduced emissions and a greener driving experience.

In terms of transmission, the Legacy B4 CNG is equipped with a 4-speed automatic gearbox, allowing smooth and convenient shifts. This transmission choice complements the model's overall driving dynamics, ensuring a balanced blend of comfort and performance.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) embodies a well-crafted engine that fuses performance with environmental consciousness. The EJ20 engine's configuration, AVCS technology, and compatibility with CNG highlight Subaru's commitment to sustainable mobility without compromising driving pleasure.

Dimensions and Sizes

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) showcases a thoughtfully designed exterior with dimensions that strike a balance between sleek aesthetics and practical functionality. These carefully crafted measurements contribute to the model's overall appearance and road presence.

The exterior length of the Legacy B4 CNG, measuring at 463.5 cm, reflects its mid-sized sedan classification. This length contributes to a spacious interior while maintaining a manageable size for urban maneuverability and parking.

With a width of 173 cm, the Legacy B4 CNG's exterior emphasizes stability on the road, enhancing both handling and passenger comfort. The width not only contributes to the sedan's road presence but also allows for ample interior space for occupants.

At a height of 142.5 cm, the Legacy B4 CNG maintains a profile that balances sportiness with practicality. This height contributes to the vehicle's aerodynamics while ensuring that it remains approachable and easy to enter for passengers.

The wheelbase of the Legacy B4 CNG, spanning 267 cm, is a key factor in its stability and handling. This dimension contributes to the sedan's surefootedness on the road, allowing for confident cornering and overall driving dynamics.

Both the front and rear axle lengths, measuring 149.5 cm and 149 cm respectively, contribute to the sedan's balanced weight distribution. This balance supports stability and responsive handling, enhancing the driving experience.

With a weight of 1420 kg, the Legacy B4 CNG achieves a harmonious balance between structural integrity and fuel efficiency. This weight is optimized to enhance performance while keeping the sedan's environmental impact in check.

The Legacy B4 CNG boasts a 4-door configuration, accommodating up to 5 passengers comfortably. This passenger capacity aligns with the model's status as a family-oriented sedan, catering to practical transportation needs.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) showcases dimensions that underscore its mid-sized sedan classification. From its exterior length and width to its height and wheelbase, these measurements contribute to a balanced and practical vehicle that offers both road presence and interior comfort.

Fuel Tank Capacity

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) presents a distinctive approach to fuel consumption through its integration of Compressed Natural Gas (CNG) technology. This alternative fuel source is reflected in the vehicle's fuel tank capacity, contributing to its overall efficiency and eco-conscious performance.

The Legacy B4 CNG's fuel tank capacity is a significant aspect of its design, as it determines the range and refueling frequency for the vehicle. Compressed Natural Gas, being a gaseous fuel, is stored in pressurized tanks within the vehicle. The Legacy B4 CNG's fuel tank is designed to accommodate the storage of this environmentally friendly fuel source.

By utilizing CNG technology, the Legacy B4 CNG embraces a more sustainable approach to fuel consumption. This choice aligns with Subaru's commitment to reducing the carbon footprint associated with traditional gasoline-powered vehicles. The decision to incorporate CNG as the primary fuel source underlines Subaru's forward-thinking approach to eco-friendly mobility.

The fuel tank capacity of the Legacy B4 CNG is an integral part of its identity as a natural gas vehicle. While specific numerical values may vary, the focus on CNG technology remains consistent throughout its production year. Drivers who opt for the Legacy B4 CNG prioritize efficiency and sustainability, capitalizing on the benefits of an alternative fuel source that aligns with environmental responsibility.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) distinguishes itself through its fuel tank capacity that accommodates Compressed Natural Gas. This innovative approach to fuel consumption reinforces Subaru's commitment to sustainable mobility, offering an alternative that reduces emissions and contributes to a greener driving experience.

Fuel Consumption

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) offers an intriguing perspective on fuel consumption by integrating Compressed Natural Gas (CNG) technology into its operation. This forward-looking approach provides a unique driving experience that prioritizes efficiency and sustainability.

Compressed Natural Gas, being a gaseous fuel, requires a specialized approach to consumption. The Legacy B4 CNG's fuel consumption is defined by its ability to efficiently utilize CNG as the primary fuel source. The combustion process of CNG differs from conventional gasoline, resulting in distinct fuel efficiency characteristics.

The Legacy B4 CNG's fuel consumption is influenced by its CNG-specific engine configuration and the nature of the fuel itself. While precise numerical values may vary, the focus on maximizing efficiency and minimizing emissions remains consistent throughout the production year.

The model's adaptability to CNG technology underscores its commitment to a greener driving experience. The integration of CNG aligns with Subaru's dedication to sustainable mobility solutions, catering to drivers who seek reduced environmental impact without compromising on performance.

The Legacy B4 CNG's fuel consumption resonates with those who value eco-conscious choices in their automotive journey. By embracing the benefits of Compressed Natural Gas, this model presents an alternative that not only reduces emissions but also contributes to a cleaner and more sustainable driving future.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) introduces a new dimension to fuel consumption through its integration of CNG technology. This approach offers a distinct perspective on efficiency and environmental responsibility, making it an appealing choice for drivers who prioritize a greener approach to their driving experience.

Fuel Efficiency (MPG)

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) redefines the concept of fuel efficiency through its utilization of Compressed Natural Gas (CNG) technology. This innovative approach to energy consumption offers a distinctive perspective on miles per gallon (MPG), aligning with Subaru's commitment to sustainable mobility solutions.

While MPG values may vary based on driving conditions and other factors, the Legacy B4 CNG's focus on fuel efficiency remains unwavering. Operating on CNG, this model showcases a different approach to energy conversion compared to traditional gasoline-powered vehicles. The combustion characteristics of CNG, along with the EJ20 engine's design, contribute to a unique MPG profile.

The Legacy B4 CNG's adaptability to CNG technology underscores its commitment to eco-conscious driving. The utilization of an alternative fuel source speaks to Subaru's dedication to reducing emissions and minimizing the carbon footprint associated with traditional gasoline vehicles. This approach resonates with drivers who seek a greener way to travel without compromising performance.

While specific numerical values may differ, the Legacy B4 CNG's fuel efficiency aligns with its role as an alternative fuel vehicle. Its capability to achieve impressive MPG figures in a CNG context is a testament to Subaru's engineering innovation and dedication to sustainable mobility.

In conclusion, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) demonstrates a distinct approach to fuel efficiency through its integration of CNG technology. While exact MPG values may vary, the focus on sustainable and eco-friendly driving remains at the forefront, making it a compelling choice for those seeking a greener way to travel.

Wheel Specifications

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) demonstrates a thoughtful approach to wheel specifications, emphasizing both performance and aesthetics. The wheels play a crucial role in enhancing the driving experience and overall road presence of this unique sedan.

The Legacy B4 CNG's wheel specifications include tire dimensions that contribute to its handling and stability. With 205/55 R16 tires, the model strikes a balance between comfort and grip, ensuring confident control on various road surfaces. These dimensions allow for optimal road contact while maintaining a comfortable ride quality for both driver and passengers.

The choice of 16-inch wheels aligns with the Legacy B4 CNG's status as a mid-sized sedan. These wheels strike a balance between agility and comfort, making them suitable for both urban driving and longer journeys. The wheel size contributes to the sedan's overall appearance, enhancing its sporty and purposeful stance.

Ventilated front disc brakes provide reliable stopping power, enhancing safety and control. The Legacy B4 CNG's brake system, complemented by the wheel specifications, contributes to confident braking performance, allowing drivers to navigate diverse driving scenarios with ease.

In terms of design, the 2004 Legacy B4 CNG's wheel specifications reflect Subaru's attention to detail. The wheels' design complements the sedan's exterior aesthetics, enhancing its overall visual appeal. This integration of form and function underscores Subaru's commitment to a balanced driving experience.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) showcases a well-considered approach to wheel specifications. The choice of tire dimensions and wheel size, along with the incorporation of ventilated front disc brakes, contributes to both performance and aesthetics. This attention to detail enhances the Legacy B4 CNG's overall driving dynamics and road presence.

Conclusion

The 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) encapsulates a blend of innovation and eco-consciousness, creating a unique proposition within the automotive landscape. This model's integration of Compressed Natural Gas (CNG) technology underscores Subaru's dedication to sustainable mobility solutions, catering to drivers who prioritize both performance and environmental responsibility.

Throughout its production year, the Legacy B4 CNG maintained a steadfast commitment to CNG technology, showcasing a streamlined approach to trim levels while focusing on efficiency and reduced emissions. The EJ20 engine's innovative design, coupled with its Active Valve Control System (AVCS), added sophistication to the driving experience, enhancing both power delivery and fuel efficiency.

The Legacy B4 CNG's dimensions, including its exterior length, width, and height, contribute to its sporty appearance and practicality. With a focus on wheel specifications and brake systems, the model's road performance is carefully balanced between agility and safety.

The introduction of CNG technology as the primary fuel source highlights the Legacy B4 CNG's forward-looking approach. By embracing an alternative energy solution, Subaru showcases its dedication to reducing the carbon footprint associated with traditional gasoline vehicles. This approach resonates with drivers seeking a greener way to travel without compromising on quality or driving pleasure.

In summary, the 2004 Subaru Legacy B4 2.0 B4 CNG (Natural Gas Vehicle) stands as a testament to Subaru's innovative spirit and commitment to sustainability. With its unique integration of CNG technology, efficient engine design, and thoughtful dimensions, this model offers an alternative driving experience that aligns with both performance and environmental consciousness.

Frequently Asked Questions (FAQ) about the 2004 Subaru Legacy B4 2.0 B4 CNG