AUDI S4 Buying Guide & Reliability (1998-2018)

The AUDI S4 is a high-performance variant of the popular Audi A4, known for its blend of luxury and sportiness. Produced from 1998 to 2018, the S4 has seen various iterations, with a total of 27 registration plates recorded.

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

AUDI S4 Overview

The AUDI S4 is a high-performance variant of the popular Audi A4, known for its blend of luxury and sportiness. Produced from 1998 to 2018, the S4 has seen various iterations, with a total of 27 registration plates recorded. This model appeals to enthusiasts seeking a dynamic driving experience without compromising on comfort.

With an impressive MOT pass rate of 82.1%, the AUDI S4 demonstrates reliability in its class. However, common failures have been noted, particularly in categories such as suspension (3 failures), body and structure (2 failures), and tyres (2 failures). These statistics highlight areas where potential buyers should exercise caution.

The fuel type distribution for the AUDI S4 is predominantly petrol, with 26 petrol variants compared to just 1 diesel model. This preference for petrol aligns with the performance-oriented nature of the S4, which is designed to deliver a thrilling driving experience.

In terms of colour distribution, black is the most popular choice, with 8 vehicles, followed by blue (7), grey (4), silver (3), and red (2). This variety allows buyers to select a model that suits their personal style.

The year distribution of the AUDI S4 shows a strong presence of models from 2006 (7 units) and 2014 (4 units), indicating these years may offer desirable features and specifications. The average annual mileage for the S4 stands at 4,216 miles, suggesting that many owners use their vehicles for moderate driving.

Tax status data reveals that 16 of the registered S4s are taxed, while 9 are untaxed and 2 are declared SORN (Statutory Off Road Notification). This information is crucial for potential buyers considering the ongoing costs of ownership.

Data accuracy is based on the latest available statistics and may vary. Always verify details before making a purchase decision.

Reliability and MOT Performance

The Audi S4, produced between 1998 and 2018, has a commendable MOT pass rate of 82.1%. This statistic indicates that the majority of S4 vehicles successfully meet the required safety and environmental standards during their annual inspections. With a total of 363 MOT tests recorded, this data reflects a solid performance across various model years.

Common reasons for MOT failures in the Audi S4 include issues related to suspension, body and structure, and tyres. Specifically, suspension problems accounted for three failures, while two failures were attributed to body and structure concerns. Additionally, two vehicles failed due to tyre-related issues. These common failures highlight areas that potential buyers should consider when evaluating the reliability of a used S4.

In terms of fuel type, the vast majority of Audi S4 models are petrol-powered, with only one diesel variant recorded. This distribution may influence the vehicle's performance and maintenance considerations, as petrol engines typically offer a different driving experience compared to diesel counterparts.

When examining the colour distribution of the Audi S4, black is the most popular choice, with eight vehicles registered in this colour. Blue follows closely with seven, while grey, silver, and red account for four, three, and two vehicles, respectively. This variety allows buyers to select a model that suits their aesthetic preferences.

It is also worth noting that the average annual mileage for the Audi S4 is approximately 4,216 miles. This relatively low mileage may suggest that many owners use the S4 as a secondary vehicle, potentially contributing to its overall reliability.

While this data provides valuable insights into the reliability and MOT performance of the Audi S4, it is essential to consider that individual vehicle conditions may vary. Always consult a professional for specific assessments.

What to Check When Buying Used

When considering a used AUDI S4, there are several key factors to evaluate to ensure you make a sound investment. With a model range spanning from 1998 to 2018, it’s essential to check the specific year and its associated features, as well as the vehicle's overall condition.

Start by reviewing the vehicle's MOT history. The AUDI S4 has an impressive MOT pass rate of 82.1%, but it’s crucial to investigate any common failures. Notably, issues in the 'Other' category account for four failures, while suspension problems and body structure concerns are also prevalent. Tyres have been flagged in two instances, so ensure these components are in good condition.

Next, consider the fuel type. The majority of AUDI S4s are petrol (26 out of 27), with only one diesel variant available. This distinction can affect running costs and performance, so choose according to your preferences.

Colour can also influence resale value. The most common colours for the AUDI S4 are black (8), blue (7), and grey (4). If aesthetics are important to you, consider how the colour may impact your enjoyment of the vehicle.

Additionally, check the tax status of the vehicle. Out of the 27 registered plates, 16 are taxed, while 9 are untaxed and 2 are SORN. This information can help you understand the vehicle's usage and any potential costs associated with re-registration.

Finally, take note of the average annual mileage, which stands at 4,216 miles. A vehicle with significantly higher mileage may have more wear and tear, so factor this into your decision-making process.

Always verify the accuracy of the data provided and consider obtaining a professional inspection before finalising your purchase.

Running Costs and Specifications

Running Costs and Specifications

The AUDI S4, produced between 1998 and 2018, is a performance-oriented vehicle that combines luxury with practicality. With a total of 27 registration plates recorded, this model has a diverse presence on UK roads.

In terms of fuel type, the AUDI S4 predominantly runs on petrol, with 26 out of 27 vehicles using this fuel type, while only one is diesel. This choice of fuel impacts running costs, particularly in terms of fuel efficiency and tax obligations.

The average annual mileage for the AUDI S4 stands at 4,216 miles, which is relatively low compared to other vehicles in its class. This can contribute to lower overall running costs, especially when considering fuel consumption and maintenance.

When it comes to taxation, 16 of the registered vehicles are taxed, while 9 are untaxed and 2 are declared SORN (Statutory Off Road Notification). This distribution indicates a significant number of owners actively maintaining their vehicles on the road.

The MOT pass rate for the AUDI S4 is 82.1%, suggesting that the majority of vehicles are in good condition. However, common failures have been noted, particularly in categories such as 'Other' (4 failures), 'Suspension' (3 failures), 'Body & Structure' (2 failures), and 'Tyres' (2 failures). These statistics highlight areas where potential buyers should exercise caution.

In terms of colour distribution, black is the most popular choice, with 8 vehicles, followed by blue (7), grey (4), silver (3), and red (2). This variety allows buyers to select a model that suits their personal style.

Data accuracy is based on the latest available information and may vary. Always verify details with official sources before making any decisions.

Alternative Models to Consider

If you're considering the AUDI S4, there are several alternative models that may also meet your needs. Each of these vehicles offers a unique blend of performance, comfort, and reliability, making them worthy contenders in the premium sports saloon segment.

One option to consider is the AUDI A4. Known for its refined interior and balanced handling, the A4 shares many components with the S4 but typically comes at a lower price point. With a strong reputation for reliability, the A4 is a practical choice for those who desire a premium experience without the added performance of the S4.

Another alternative is the BMW 3 Series. This model is renowned for its engaging driving dynamics and a range of powerful engine options. The 3 Series has a strong following and offers a variety of trims, allowing buyers to select a model that best fits their performance needs.

The Mercedes-Benz C-Class is also worth considering. It combines luxury with performance, featuring a comfortable ride and a high-quality interior. The C-Class is available in various configurations, including sporty AMG variants, which can provide a thrilling driving experience similar to that of the S4.

For those interested in a more compact option, the Volkswagen Golf GTI offers a sporty drive with practicality. While it may not match the S4 in terms of outright power, the GTI is celebrated for its agility and fun-to-drive nature, making it a popular choice among enthusiasts.

In summary, while the AUDI S4 is a compelling choice, exploring alternatives like the AUDI A4, BMW 3 Series, Mercedes-Benz C-Class, and Volkswagen Golf GTI can provide you with a broader perspective on what the market has to offer. Always ensure to conduct thorough research and consider your specific needs before making a decision.

Data accuracy is based on the latest available statistics and may vary. Always verify details with official sources.

Frequently Asked Questions

Frequently Asked Questions

What years was the Audi S4 produced?

The Audi S4 was produced from 1998 to 2018, with various models released throughout this period. Notable years include 2004, 2006, 2008, 2010, 2012, 2014, and the final model in 2018.

What is the MOT pass rate for the Audi S4?

The Audi S4 has an MOT pass rate of 82.1%. This statistic indicates a relatively high level of reliability among the vehicles tested.

What are the common reasons for MOT failures?

Common failures for the Audi S4 include issues categorized as 'Other' (4 failures), suspension problems (3 failures), body and structure concerns (2 failures), and tyre-related issues (2 failures). Regular maintenance can help mitigate these issues.

What fuel types are available for the Audi S4?

The Audi S4 predominantly runs on petrol, with 26 petrol variants compared to just 1 diesel variant. This reflects the model's performance-oriented design.

What colours are most popular for the Audi S4?

In terms of colour distribution, black is the most common, with 8 vehicles, followed by blue (7), grey (4), silver (3), and red (2). This variety allows buyers to choose according to their personal preferences.

How many Audi S4 vehicles are currently taxed?

Out of the 27 registered Audi S4 vehicles, 16 are currently taxed, while 9 are untaxed and 2 are declared SORN (Statutory Off Road Notification).

Disclaimer: The data presented here is based on available statistics and may not reflect the most current information. Always verify details with 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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