The Audi S4 has long been a benchmark for performance sedans, blending everyday usability with exhilarating driving dynamics. For enthusiasts considering a pre-owned model, the B8 and B8.5 generations represent distinct eras of this iconic car. Each offers a compelling package, but understanding their differences is key to making the right choice.
The B8 generation, introduced in 2009, brought a refined yet potent V6 supercharged engine, a hallmark of its performance. It set a high bar for luxury sport sedans with its sophisticated interior and engaging handling. Audi continued to evolve the S4 formula with the facelifted B8.5 model.
Entering the market in 2013, the B8.5 S4 featured subtle yet significant updates. These revisions aimed to enhance both the driving experience and the car’s aesthetic appeal. Deciding between these two closely related yet distinct models requires a closer look at what each brings to the table.
Specs at a Glance
| Feature | b8 | b8.5 s4 |
|---|---|---|
| Engine | 2.0 TFSI | 3.0 Supercharged V6 |
| Horsepower | 211 hp | 333 hp |
| Torque | 258 lb-ft | 325 lb-ft |
| Transmission | 6-speed Manual / 7-speed S tronic | 7-speed S tronic |
| Drivetrain | Quattro AWD | Quattro AWD |
| 0-60 mph | ~5.5 seconds | ~4.5 seconds |
| Body Styles | Sedan, Avant | Sedan, Avant |
| Infotainment Screen | Retractable MMI | Retractable MMI |
| Suspension | Standard / Optional Sport | Standard Sport Suspension |
| Brakes | Standard | Upgraded |
| Weight | ~3,600 lbs | ~3,800 lbs |
Feature-by-Feature Breakdown
Engine Performance
- B8: The B8 S4 features a 3.0L Supercharged V6 engine producing 333 horsepower and 325 lb-ft of torque. This engine offers strong mid-range pull and a satisfying supercharger whine, though it can be prone to oil consumption issues in some examples.
- B8.5 S4: The B8.5 S4 utilizes the same 3.0L Supercharged V6 engine, also producing 333 horsepower and 325 lb-ft of torque. Audi refined the engine management slightly for potentially smoother delivery and improved throttle response, though the core performance remains very similar.
- Winner: Tie
Transmission Options
- B8: The B8 S4 was available with either a 6-speed manual transmission or a 7-speed S tronic dual-clutch automatic. The manual offered a more engaging driving experience, while the S tronic provided rapid shifts.
- B8.5 S4: The B8.5 S4 continued with the same transmission options: a 6-speed manual and the 7-speed S tronic. The availability of the manual transmission is a significant draw for driving enthusiasts.
- Winner: Tie
Exterior Styling
- B8: The B8 S4 sports a more understated and elegant design. It features cleaner lines and a less aggressive stance compared to its predecessor, with a focus on sophisticated sportiness.
- B8.5 S4: The B8.5 S4 received a facelift that sharpened its appearance. Key changes include revised headlights and taillights, a more angular grille, and updated bumpers, giving it a more modern and aggressive look.
- Winner: b8.5 s4
Interior Design and Quality
- B8: The B8 S4 interior is characterized by its high-quality materials, excellent fit and finish, and driver-focused layout. It offers a premium and comfortable cabin experience with supportive seats.
- B8.5 S4: The B8.5 S4 largely retains the excellent interior of the B8 but incorporates minor updates like a revised steering wheel and updated infotainment system controls. The overall premium feel and build quality remain a strong point.
- Winner: Tie
Infotainment System
- B8: The B8 S4 typically came with Audi’s MMI (Multi Media Interface) system, which was functional but could feel a bit dated by modern standards. Navigation and media integration were decent for its time.
- B8.5 S4: The B8.5 S4 benefited from an updated MMI system, often referred to as MMI 3G+. This offered improved graphics, faster processing, and potentially better smartphone integration options for the era.
- Winner: b8.5 s4
Suspension and Handling
- B8: The B8 S4 offers a balanced blend of comfort and sportiness, thanks to its standard quattro all-wheel-drive system and well-tuned suspension. It handles with confidence but can exhibit some understeer under hard cornering.
- B8.5 S4: The B8.5 S4 saw minor tweaks to its suspension tuning, aiming for a slightly more engaging feel. While still comfortable, it might offer a touch more agility and feedback, though the fundamental handling characteristics are similar.
- Winner: Tie
Technology and Driver Aids
- B8: The B8 S4 offered a range of optional technology features, including adaptive cruise control, blind-spot monitoring, and parking sensors. These were advanced for their time but may feel less sophisticated compared to today’s systems.
- B8.5 S4: The B8.5 S4 saw the introduction of newer driver assistance technologies, potentially including improved versions of adaptive cruise control and more advanced parking aids. The technology suite was generally more refined and comprehensive.
- Winner: b8.5 s4
Exhaust Note
- B8: The B8 S4 has a distinctive and pleasing exhaust note, characterized by the supercharger’s whine and a V6 growl. It’s sporty without being overly intrusive for daily driving.
- B8.5 S4: The exhaust note on the B8.5 S4 is largely similar to the B8. Minor tuning might have slightly altered its character, but it remains a well-regarded V6 soundtrack that contributes to the car’s sporty appeal.
- Winner: Tie
Winner by Category
| Category | Winner |
|---|---|
| Performance (Engine Power & Acceleration) | b8.5 s4 |
| Styling (Exterior & Interior) | b8.5 s4 |
| Value for Money (Initial Purchase) | b8 |
| Manual Transmission Availability | b8 |
| Technology & Features (Later Models) | b8.5 s4 |
| Handling (Overall Balance) | b8.5 s4 (Slight edge due to sport suspension) |
What They Have in Common
- Drivetrain: Both models feature Audi’s legendary Quattro all-wheel-drive system, providing exceptional grip and stability in various driving conditions. This ensures confident handling whether you’re navigating tight corners or dealing with inclement weather.
- Build Quality: As Audis, both the b8 and b8.5 S4 offer a premium interior experience with high-quality materials, solid construction, and a refined aesthetic. The cabin is designed to be both comfortable and driver-focused.
- Practicality: Both the b8 and b8.5 S4 are available in sedan and Avant (wagon) body styles, offering a good balance of performance and everyday usability. The rear seats and cargo space are generally practical for most needs.
- Technology: While the specifics might vary by trim and year, both generations offer Audi’s MMI infotainment system with a retractable screen, though the b8.5 S4 benefits from later iterations with potentially improved interface and features.
- Safety Features: Both vehicles are equipped with a comprehensive suite of standard safety features, including airbags, ABS, and electronic stability control, reflecting Audi’s commitment to occupant protection.
B8 Vs B8.5 S4 Buying Guide
Engine and Performance
The B8 S4, produced from 2009-2012, features a supercharged 3.0-liter V6 engine producing 333 horsepower. It’s renowned for its smooth power delivery and distinctive supercharger whine. The B8.5 S4, from 2013-2016, retains the same potent supercharged V6 but received minor ECU tuning for slightly improved throttle response and a touch more torque. Both offer exhilarating performance, but the B8.5 might feel marginally more refined. (See Also: Adobe Pro Vs Docusign )
Transmission and Drivetrain
Both generations predominantly use Audi’s Quattro all-wheel-drive system, providing exceptional grip and stability in various conditions. The B8 offered a 6-speed manual and a 7-speed S tronic dual-clutch automatic. The B8.5 continued with the S tronic but phased out the manual transmission in later model years for the North American market. For enthusiasts prioritizing a manual, the B8 is the clear choice; otherwise, the S tronic in the B8.5 offers rapid shifts.
Interior and Technology
The B8 S4 boasts a driver-focused interior with high-quality materials and a clean design. Standard features often include leather seating and a well-appointed cabin. The B8.5 received a subtle interior refresh, most notably with updated MMI infotainment system controls and slightly revised dashboard styling. While the B8’s interior is still excellent, the B8.5 offers a more modern feel with improved infotainment integration and connectivity options.
Suspension and Handling
Both S4 models are celebrated for their balanced handling and comfortable ride, thanks to the standard Quattro system and well-tuned suspension. The B8 offers a sporty yet compliant experience, making it a great daily driver. The B8.5 saw minor tweaks to the suspension tuning, aiming for a slightly sharper feel without sacrificing comfort. Many owners find both generations to handle exceptionally well, with differences being subtle and often subjective. (See Also: 40 Vs 32 Tv )
Who Should Buy What?
Buy b8 If…
- You’re looking for a more budget-friendly entry into the S4 experience without sacrificing AWD performance.
- You appreciate the more understated styling of the b8 generation.
- You enjoy the option of a manual transmission, which was more prevalent in the b8.
- You prioritize a slightly lighter and potentially more nimble feel.
Buy b8.5 s4 If…
- You crave significantly more power and a more aggressive exhaust note from the supercharged V6.
- You desire the sportier and more evolved styling of the b8.5 facelift.
- You want the latest available technology and interior refinements from that era.
- You prioritize straight-line speed and a more visceral performance experience.
Frequently Asked Questions
What are the key differences between the B8 and B8.5 S4?
The B8.5 S4 is a mid-cycle refresh of the B8. Key visual differences include updated headlights, taillights, grille, and bumpers. Internally, the B8.5 received a revised MMI infotainment system, a slightly updated interior trim, and minor engine tuning for potentially improved throttle response. The manual transmission was also phased out in later B8.5 models in some markets.
Is the supercharged V6 engine reliable in both generations?
Yes, the 3.0L supercharged TFSI V6 engine is generally considered reliable in both the B8 and B8.5 S4. Common issues to watch for include potential oil consumption (especially on higher mileage examples) and the water pump/thermostat assembly. Regular maintenance and addressing any early warning signs are crucial for long-term reliability.
Which generation is better for track use?
Both generations are capable performers on track. The B8.5 might have a slight edge due to its potentially more refined throttle response and slightly updated infotainment for data logging. However, for dedicated track use, both will likely benefit from aftermarket upgrades like improved cooling, suspension components, and brake systems to handle sustained abuse. (See Also: Lansky Vs Work Sharp )
Are there significant differences in fuel economy?
Fuel economy figures are very similar between the B8 and B8.5 S4 models, largely due to the identical core engine and transmission options available. Expect combined MPG figures in the low to mid-20s, depending on driving style and transmission choice. The S tronic automatic may offer slightly better highway mileage than the manual.
What is the typical maintenance cost for an S4 of this era?
Maintenance costs for both the B8 and B8.5 S4 can be higher than for a standard A4 due to the performance-oriented components. Regular oil changes, spark plug replacements, and potential timing chain tensioner checks are important. Parts and specialized labor can add up, so budgeting for premium maintenance is advisable for ownership.
Final Verdict
The B8.5 S4 represents a refined evolution of the already excellent B8. While both offer thrilling supercharged V6 performance and Quattro grip, the B8.5 benefits from subtle aesthetic updates, a more modern infotainment system, and slightly sharper driving dynamics. For those seeking the latest iteration of this generation with a more contemporary feel, the B8.5 is the more compelling choice, though a well-maintained B8 remains a fantastic performance sedan.
Winner: B8.5 S4