Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2024 Audi S4 Reliability ReportCommon Problems, Repair Costs & Expert Verdict

88/ 100

KeepScore

LOW RISK

Grade: A-

A powerful, refined, and largely reliable luxury sport sedan, provided you budget for premium maintenance.

Full system breakdown + what I would do

Quick Facts · 2024 Audi S4

  • No active NHTSA safety recalls on record — a clean recall slate for the 2024 model year.
  • Outscores the 2025 Audi S4 by 10 points — one of the stronger nearby years to consider.
  • The system most likely to surface first: advanced electronics & mmi (moderate severity).

Should You Buy the 2024 Audi S4?

The 2024 Audi S4 emerges as a highly confident pick for those seeking a blend of performance and luxury, built upon a proven platform that minimizes early ownership headaches. While premium maintenance costs are inevitable, widespread mechanical failures are historically uncommon, making it a robust choice when properly maintained.

The 2024 Audi S4 is a sophisticated and highly competent luxury sport sedan that, when new, represents a low-risk purchase. Its proven powertrain and solid build quality offer excellent reliability for the segment. While premium ownership costs are a given, major failures are rare with diligent maintenance, securing…

Best Model Years

2020-Present (B9.5 generation, with updated MMI and a refined powertrain)

Years to Avoid

None for the current generation; earlier B8/B8.5 models had more prevalent carbon buildup and supercharger issues that have been largely addressed.

Biggest Strengths

  • Robust 3.0L TFSI engine with excellent power delivery
  • Sophisticated Quattro AWD system for all-weather traction
  • High-quality interior materials and fit-and-finish

Top Risk Areas

The systems that tend to fail first on the 2024 Audi S4, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.

1
Advanced Electronics & MMImoderate~40,000-80,000 mi

While generally robust, the intricate MMI system, various driver-assistance sensors, and complex wiring can be susceptible to intermittent glitches, software bugs, or sensor failures that are costly to diagnose and repair. These can mani…

2
Adaptive Suspension Componentsmajor~70,000-110,000 mi

For models equipped with adaptive suspension (S Sport package), the electronically controlled dampers can be prone to leaks or internal failures over time, especially in harsher climates or with aggressive driving. Replacing these specia…

3
Engine Accessory Componentsmoderate~60,000-100,000 mi

While the core 3.0L TFSI engine is strong, some accessory components like the PCV valve (oil separator) or water pump (historically prone to leaks in VAG engines) could require attention at higher mileages. Supercharger/turbocharger rela…

Full repair-cost ranges, fix-before-you-buy notes, and inspection checklists are in the report.

2024 Audi S4 Mileage Danger Zones

The mileage windows when the 2024 Audi S4 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

At this mileage, the vehicle is still very new and typically covered by the factory warranty. Focus should be on routine maintenance and addressing any initial manufacturing defects or software glitches.

60,000

Maintenance Zone

Beyond the typical 4-year factory warranty, major service items like spark plugs, transmission fluid, and differential fluids may be due. This is where you start budgeting for premium brand maintenance costs.

90,000

Elevated Risk Zone

Components with a finite lifespan, such as the PCV valve, water pump, or certain sensors, may begin to show signs of wear. Proactive inspection and replacement are key to avoiding breakdowns.

120,000+

High Risk Zone

At these higher mileages, major components like the turbocharger or Mechatronic unit could potentially fail, particularly if maintenance has been neglected. Budget for potential significant repairs or consider a replacement.

2024 Audi S4 Ownership Cost Outlook

What it typically costs to keep the 2024 Audi S4 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$600-900

Moderate Repairs

$800-2,000 occasionally for components like sensors or control arms

How Long Does the 2024 Audi S4 Last?

Focus on consistent, factory-recommended maintenance and be prepared for higher consumable costs. For maximum peace of mind, consider extending your warranty beyond the factory term if you plan to keep it past 60,000 miles.

What 2024 Audi S4 Owners Actually Say

What Owners Love

  • Blistering acceleration with a smooth, linear power delivery
  • Sublime interior quality with excellent materials and ergonomic design
  • Quattro AWD system provides confidence and grip in all conditions
  • Comfortable yet sporty ride, especially with adaptive suspension

Common Frustrations

  • Steering feel can be somewhat numb compared to rivals
  • Infotainment system (MMI) can be complex and occasionally glitchy
  • High cost of options can quickly inflate the price
  • Fuel economy, while respectable for the performance, isn't stellar

Who Should Buy the 2024 Audi S4?

Best For

  • Enthusiasts seeking a daily-drivable performance car
  • Drivers who prioritize a high-quality, luxurious interior
  • Those living in climates requiring all-wheel drive performance

Not Ideal For

  • Budget-conscious buyers seeking minimal ownership costs
  • Those who prefer raw, visceral steering feedback over refined luxury

How the 2024 Audi S4 Compares to Rivals

The 2024 Audi S4 holds its own very well in the luxury sport sedan segment, offering a strong balance of performance, luxury, and respectable reliability that often surpasses direct European competitors, though not quite reaching the absolute top tier of Japanese luxury brands…

More Reliable Than

  • Mercedes-AMG C43 (generally higher repair costs and slightly less robust long-term electronics)
  • BMW M340i (comparable reliability, but some find the Audi's interior quality marginally better)

Comparable To

  • Lexus IS 350 F Sport (Lexus has a slight edge in absolute reliability, but the S4 offers more performance)

NHTSA Recalls

No active NHTSA safety recalls on file for the 2024 Audi S4. Always verify with your VIN atnhtsa.gov.

What breaks on the 2024 Audi S4?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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Audi S4 by Year

Compare KeepScores across nearby years of the Audi S4. Click any year for its full report.

If You're Considering This, Also Look At

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Relevant Products for Your 2024 Audi S4

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Frequently Asked Questions

Full Report

2024 Audi S4

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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