ADL ENVIRO 400 Buying Guide & Reliability (2014-2024)

The ADL Enviro 400 is a prominent model in the UK bus market, known for its versatility and efficiency. With a production span from 2014 to 2024, this model has seen a total of 84 registration plates, reflecting its popularity among operators.

Last updated September 07, 2025 1998 words Based on real UK vehicle data

ADL ENVIRO 400 Overview

The ADL Enviro 400 is a prominent model in the UK bus market, known for its versatility and efficiency. With a production span from 2014 to 2024, this model has seen a total of 84 registration plates, reflecting its popularity among operators.

One of the standout features of the Enviro 400 is its impressive MOT pass rate of 98.9%. This statistic highlights the reliability and maintenance standards of the vehicle, making it a preferred choice for public transport services. However, it is worth noting that the most common failure during MOT tests is related to tyres, which accounted for one recorded instance.

The Enviro 400 is available in both diesel and electric variants, with a distribution of 62 diesel and 22 electric models. This range allows operators to choose a fuel type that best suits their operational needs and environmental goals.

In terms of aesthetics, the Enviro 400 comes in a variety of colours, with the most common being multi-colour (32), red (30), yellow (7), blue (6), and green (6). This colour diversity enables operators to maintain branding consistency while appealing to a broad audience.

Yearly distribution of the Enviro 400 shows a steady presence in the market, with the highest number of registrations in 2019 (14) and a consistent output in recent years, including 7 registrations in 2024. The average annual mileage for these vehicles stands at 57,999 miles, indicating their extensive use in public transport.

All 84 registered units of the Enviro 400 are currently taxed, ensuring compliance with UK regulations. The model is predominantly found in Great Britain, where it serves as a reliable option for urban and intercity transport.

Data accuracy is subject to change, and while every effort has been made to ensure the information is current, it is advisable to verify details with official sources.

Reliability and MOT Performance

The ADL Enviro 400 has established a strong reputation for reliability, as evidenced by its impressive MOT pass rate of 98.9%. This high percentage indicates that the majority of these vehicles meet the necessary safety and environmental standards, making them a dependable choice for operators and passengers alike.

With a total of 473 MOT tests conducted across the model years from 2014 to 2024, the Enviro 400 has demonstrated consistent performance. The most common reason for failure is related to tyres, with only one recorded instance, highlighting the overall robustness of this model.

In terms of fuel type distribution, the Enviro 400 is predominantly diesel, accounting for 62 of the 84 registered vehicles. However, there is a growing presence of electric variants, with 22 units contributing to a more sustainable transport solution. This diversification in fuel types reflects the evolving demands of the market and the commitment to reducing emissions.

The colour distribution of the Enviro 400 is quite varied, with multi-colour options leading at 32 units, followed by red at 30, and smaller numbers for yellow, blue, and green. This variety allows operators to choose vehicles that best fit their branding and operational needs.

In terms of age distribution, the model has a balanced representation across its production years, with the highest number of vehicles registered in 2019 (14 units) and a steady presence in more recent years, including 7 units from 2024. The average annual mileage stands at 57,999 miles, indicating that these vehicles are actively used in service.

It is important to note that while this data provides a comprehensive overview of the ADL Enviro 400's reliability and MOT performance, figures may vary based on individual vehicle history and maintenance practices. Always consult official sources for the most accurate and up-to-date information.

What to Check When Buying Used

When considering the purchase of a used ADL Enviro 400, there are several key factors to evaluate to ensure you make an informed decision. With a total of 84 registration plates available, this model has been a popular choice since its introduction in 2014.

First, check the vehicle's MOT history. The Enviro 400 boasts an impressive MOT pass rate of 98.9%, indicating that most vehicles in this range are well-maintained. However, it is essential to review the specific MOT records for any vehicle you are considering, as this will provide insight into its maintenance history and any recurring issues.

Common failures for the Enviro 400 are minimal, with tyres being the only noted category of concern. This suggests that the vehicle is generally reliable, but it is still prudent to inspect the condition of the tyres and other critical components during your evaluation.

Fuel type is another important consideration. The Enviro 400 is available in both diesel (62 vehicles) and electric (22 vehicles) variants. Depending on your preferences and environmental considerations, you may want to choose accordingly. Additionally, the average annual mileage for these vehicles is approximately 57,999 miles, which can help you gauge the wear and tear on the specific model you are interested in.

Colour options vary, with multi-colour (32), red (30), yellow (7), blue (6), and green (6) being the most common. This variety allows for personal preference in aesthetics, but it is advisable to focus on the vehicle's condition over its appearance.

Finally, ensure that the vehicle is taxed, as all 84 registered Enviro 400s are currently taxed. This can save you from unexpected costs post-purchase. Always verify the data accuracy and consult with a professional if needed.

Running Costs and Specifications

Running Costs and Specifications

The ADL Enviro 400 is a versatile bus model that has been in production from 2014 to 2024, with a total of 84 registration plates recorded. This model is known for its impressive MOT pass rate of 98.9%, indicating a strong reliability record among operators.

In terms of fuel type distribution, the Enviro 400 predominantly runs on diesel, accounting for 62 units, while electric variants make up 22 units. This variety allows operators to choose a model that best fits their environmental and operational needs.

When considering running costs, the average annual mileage for the Enviro 400 is approximately 57,999 miles. This figure is essential for fleet managers to estimate fuel consumption and maintenance schedules effectively.

Common failures reported for this model are minimal, with tyres being the only noted issue, which occurred once among the total of 473 MOT tests conducted. This low failure rate further underscores the reliability of the Enviro 400.

The colour distribution of the Enviro 400 is quite diverse, with 32 multi-colour units, 30 red, 7 yellow, 6 blue, and 6 green. This variety allows for branding opportunities and aesthetic preferences for different operators.

All 84 units of the Enviro 400 are currently taxed, ensuring compliance with UK regulations. The model's distribution across regions is concentrated in Great Britain, where all units are registered.

It is important to note that the data presented here is based on available records and may not reflect the most current market conditions. For the most accurate and up-to-date information, further research is recommended.

Alternative Models to Consider

If you're exploring options similar to the ADL Enviro 400, there are several alternative models worth considering. The Enviro 400 has proven to be a reliable choice, boasting an impressive MOT pass rate of 98.9%. This statistic highlights its overall dependability, making it a strong contender in the bus market.

When looking at alternatives, consider models that also have a solid track record in terms of performance and reliability. The Enviro 400 is available in both diesel and electric variants, with a distribution of 62 diesel and 22 electric vehicles. This variety allows for flexibility depending on your operational needs and environmental considerations.

In terms of colour options, the Enviro 400 offers a vibrant palette, with 32 multi-colour, 30 red, 7 yellow, 6 blue, and 6 green vehicles available. This range can be appealing for operators looking to maintain a distinctive fleet appearance.

It's also worth noting that the average annual mileage for the Enviro 400 stands at 57,999 miles, indicating its suitability for high-demand environments. With a total of 473 MOT tests conducted, the data reflects a strong performance across various years, from 2014 to 2024.

Common failures for the Enviro 400 are minimal, with tyres being the only noted issue, which occurred once. This low failure rate further underscores the model's reliability.

In summary, while the ADL Enviro 400 is an excellent choice, exploring other models with similar specifications and performance metrics can provide additional options to meet your specific needs. Always ensure to verify the latest data and specifications when making a decision.

Disclaimer: The data presented is based on available statistics and may not reflect the most current market conditions. Always consult with a professional for the latest information.

Frequently Asked Questions

Frequently Asked Questions

What is the ADL Enviro 400?

The ADL Enviro 400 is a popular double-decker bus model manufactured by Alexander Dennis Limited (ADL). It has been in production since 2014 and continues to be a preferred choice for public transport operators across the UK.

How many ADL Enviro 400 vehicles are currently registered?

As of now, there are 84 registered ADL Enviro 400 vehicles in the UK. This model has gained significant traction due to its reliability and efficiency.

What is the MOT pass rate for the ADL Enviro 400?

The ADL Enviro 400 boasts an impressive MOT pass rate of 98.9%. This high percentage indicates that the majority of these vehicles meet the necessary safety and environmental standards.

What are the common reasons for MOT failures?

Among the ADL Enviro 400 vehicles, the most common reason for MOT failure is related to tyres, with one recorded instance. Regular maintenance and checks can help mitigate such issues.

What fuel types are available for the ADL Enviro 400?

The ADL Enviro 400 is available in two fuel types: Diesel and Electric. Currently, 62 vehicles run on diesel, while 22 are electric, reflecting a growing trend towards more sustainable transport options.

What colours are available for the ADL Enviro 400?

The colour distribution for the ADL Enviro 400 is diverse, with 32 vehicles in multi-colour, 30 in red, 7 in yellow, 6 in blue, and 6 in green. This variety allows operators to choose a design that fits their branding.

What is the average annual mileage for the ADL Enviro 400?

The average annual mileage for the ADL Enviro 400 is approximately 57,999 miles. This figure can vary based on usage and operational demands.

Disclaimer: The data provided is based on current registrations and may be subject to change. For the most accurate and up-to-date information, please consult official sources.

Data Source: This guide is based on analysis of extensive UK vehicle database in our database, including MOT test results and DVLA records.

Disclaimer: This information is provided for guidance only and is based on historical data in our database. Always verify current vehicle details with official sources and get a professional inspection before purchase.

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