2014 Audi S4 Reliability ReportB grade · moderate risk · system-by-system breakdown
Quick Facts · 2014 Audi S4
- The system most likely to surface first: s-tronic (dsg) transmission (major severity).
- Has 1 NHTSA recall on record — the most notable involves the air bags.
- Scores 2 points below the strongest nearby year — the 2015 Audi S4 earns a 80.
Is the 2014 Audi S4 Worth Buying?
The 2014 Audi S4 offers thrilling performance and Quattro AWD grip, making it a compelling choice for enthusiasts. However, prospective owners must be prepared for the higher cost of maintaining a sophisticated German sports sedan, particularly concerning its S-tronic transmission and engine carbon buildup issues, to truly enjoy its long-term potential.
The 2014 Audi S4 is an outstanding driver's car offering a potent blend of performance and luxury. However, it's not a 'set it and forget it' vehicle. With a known propensity for costly S-tronic transmission issues and ongoing carbon buildup maintenance, an S4 requires an informed buyer who understands and budgets f…
Best Model Years
2014-2016 (B8.5 facelift models benefited from some refinements over earlier B8 iterations)
Years to Avoid
2009-2010 (Earlier B8 models with less refined S-tronic software and potentially more widespread initial production quirks)
Biggest Strengths
- Robust 3.0T Supercharged V6 engine (when maintained)
- Excellent Quattro all-wheel drive system
- High-quality interior and solid build feel
What Tends to Fail First on the 2014 Audi S4
The systems that tend to fail first on the 2014 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.
The 7-speed S-tronic dual-clutch transmission's mechatronic unit is prone to failure, leading to erratic shifting, limp mode, or complete transmission failure. Clutch packs can also wear, especially under hard driving. Neglecting fluid c…
Direct injection engines, including Audi's 3.0T, are susceptible to carbon buildup on intake valves, leading to misfires, reduced performance, and poor fuel economy. The PCV (Positive Crankcase Ventilation) valve and thermostat/water pum…
While not catastrophic, issues can arise with the MMI infotainment system (freezing, glitches), various sensor failures (wheel speed, ABS, parking assist), and occasional window regulator malfunctions. Diagnostics can be time-consuming a…
2014 Audi S4 Mileage Danger Zones
The mileage windows when the 2014 Audi S4 most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.
Low Risk Zone
At this mileage, the S4 is typically still under factory warranty or just past it. Focus is on routine maintenance (oil changes, tire rotations). Some early carbon buildup may begin for cars frequently short-tripped.
Maintenance Zone
This is a critical service interval. The S-tronic transmission fluid change is mandatory. Carbon cleaning often becomes necessary, and PCV valve or thermostat issues may begin to surface. Suspension bushings may show initial signs of wear.
Elevated Risk Zone
Many original wear items will be at or past their service life. The risk of S-tronic mechatronic failure significantly increases. More extensive suspension work may be needed. Electrical gremlins become more plausible.
High Risk Zone
This mileage signifies that all major components have significant wear. Major engine or transmission failures are possible, and regular expensive maintenance will be required to keep the car running reliably. Consider budgeting for signi…
2014 Audi S4 Ownership Cost Outlook
What it typically costs to keep the 2014 Audi S4 on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.
Annual Maintenance
$800-1,200
Moderate Repairs
$1,000-3,000 occasionally
How Long Does the 2014 Audi S4 Last?
Given the critical S-tronic and engine maintenance items, consider purchasing an S4 with a documented service history that specifically includes transmission fluid changes and carbon cleaning, ideally under 70,000 miles to minimize immediate major repair risks.
What 2014 Audi S4 Owners Actually Say
What Owners Love
- Incredible performance and acceleration from the supercharged V6.
- Superb Quattro all-wheel drive system offers confidence in all weather.
- High-quality, well-appointed interior with comfortable sport seats.
- Engaging driving dynamics and precise steering for a daily driver.
Common Frustrations
- The S-tronic transmission can be rough in stop-and-go traffic and prone to expensive failures.
- Higher than average running costs for maintenance and parts.
- Fuel economy is respectable but suffers significantly with spirited driving.
- MMI system can occasionally be finicky or slow to respond.
Who Should Buy the 2014 Audi S4?
Best For
- Performance car enthusiasts who value AWD and understated luxury.
- Drivers who appreciate precise handling and a connected driving experience.
- Individuals with a healthy budget for proactive maintenance and potential repairs.
Not Ideal For
- Budget-conscious buyers looking for low operating costs.
- Anyone who neglects routine maintenance or expects dealership-only service.
How the 2014 Audi S4 Compares to Rivals
The S4 holds its own against its direct German rivals in terms of performance and luxury, but it carries similar or slightly higher risks for specific expensive component failures compared to BMW's N55 engine cars, and it's certainly less bulletproof than Japanese performance…
More Reliable Than
- Older generation domestic performance sedans (e.g., Pontiac G8 GT/GXP in terms of interior quality/refinement)
- Some early direct-injection BMW models (e.g., N54 engine reliability)
- Infiniti G37 Sport (in terms of outright performance and AWD capability)
Comparable To
- 2014 BMW 335i (F30, N55 engine)
- 2014 Mercedes-Benz C350 Sport
2014 Audi S4 Recall History
1 recall on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.
AIR BAGS
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2013-2015 Audi A4 and S4 vehicles manufactured February 16, 2012, to October 21, 2014, and 2013-2015 Audi Allroad vehicles manufactured March 12, 2012, to October 21, 2014. Due to an improper algorithm in the air bag control module, if a crash necessitates deployment of the side air bags, a second impact to the front of the vehicle may not command the front air bags to also deploy.
What breaks on the 2014 Audi S4?
Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.
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Other Audi S4 Years to Consider
Compare KeepScores across nearby years of the Audi S4. Click any year for its full report.
2014 Audi S4 Alternatives
Similar class, similar year range — ranked by KeepScore.
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Frequently Asked Questions
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