If you’re searching for the best big brake kits for your Audi S4, you’re likely after better stopping power and improved heat dissipation for aggressive driving or track days. The PowerStop Z23 Performance Brake Kit stands out for its balance of performance and affordability, while the R1 Concepts Brake Kit offers excellent customization options. Keep in mind, larger brakes can add weight and complexity, which might impact daily driving comfort or maintenance. Continue reading to see how these kits compare across key factors and find the perfect fit for your needs.
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Key Takeaways
- The top picks balance performance gains with installation complexity and cost, with no one-size-fits-all solution.
- High-performance kits often include drilled and slotted rotors, which improve heat dissipation but may require more maintenance or replacement over time.
- Value-oriented options like Detroit Axle provide reliable stopping power at a lower price point, ideal for everyday use.
- Premium kits tend to offer better materials and finishes, but come with a higher price tag.
- Compatibility and fitment details are critical to ensure the kit works perfectly with your specific Audi S4 model and setup.
| A-Premium Front and Rear Drilled Slotted Brake Rotors and Ceramic Pads Kit |  | Best Complete Kit for OEM Fit and Reliability | Material (Rotors): G3000 Metallurgy | Mounting Bolt Hole Quantity: 5 | Outside Diameter: 345.0 mm (Front), 330.0 mm (Rear) | VIEW LATEST PRICE | See Our Full Breakdown |
| PowerStop Z23 Performance Brake Pad & Rotor Kit Front & Rear K6157 |  | Best for Improved Stopping Power and Quiet Operation | Includes: 2 front Z23 ceramic brake pads, 2 drilled & slotted rotors, 2 rear Z23 ceramic brake pads, 2 drilled & slotted rotors, hardware | Warranty: 36 months / 36,000 miles | Rotor Material: Steel with Silver Zinc Dichromate plating | VIEW LATEST PRICE | See Our Full Breakdown |
| R1 Concepts Front and Rear Brake Kit for 2018-2020 Audi S4, S5, SQ5 |  | Best for Modern High-Performance Fitment | Front Rotor Diameter: 13.8 inches | Rear Rotor Diameter: 13.0 inches | Rotor Type: Cross-Drilled and Diamond Slotted | VIEW LATEST PRICE | See Our Full Breakdown |
| Detroit Axle Brake Kit for 2012-2016 Audi S4 and 2017 Audi S5 |  | Best Long-Term OEM-Equivalent Durability | Front Rotors Diameter: 13.58 inch (345mm) | Rear Rotors Diameter: 12.99 inch (330mm) | Includes: 4 front & rear drilled and slotted rotors, 4 ceramic brake pads with hardware | VIEW LATEST PRICE | See Our Full Breakdown |
| TRQ Brake Pad & Rotor Kit Ceramic |  | Best Budget-Friendly Option with Easy Installation | Includes: 1 front ceramic brake pad set, 1 rear ceramic brake pad set, 2 front brake rotors, 2 rear brake rotors | Warranty: Limited Lifetime | VIEW LATEST PRICE | See Our Full Breakdown | |
| Detroit Axle 10pc Brake Kit for Audi Q5 2013-2016, S4 2012-2016, S5 2017 |  | Best Value for Complete OEM-Quality Replacement | Model Compatibility: Audi Q5 (2013-2016), S4 (2012-2016), S5 (2017) | Rotor Size: 13.58 inch (345mm) front, 12.99 inch (330mm) rear | Includes: 4 front & rear drilled/slotted rotors, 4 ceramic brake pads, hardware, brake fluid, brake cleaner | VIEW LATEST PRICE | See Our Full Breakdown |
| Detroit Axle 10pc Brake Kit for Audi S4, Q5, S5 (2012-2017) |  | Best for Performance and Durability Across Models | Model Compatibility: 2012-2017 Audi S4, Q5, S5 | Rotor Size: 13.58 inch (345mm) front, 12.99 inch (330mm) rear | Kit Contents: 4 rotors, 4 ceramic brake pads, hardware, brake fluid, brake cleaner | VIEW LATEST PRICE | See Our Full Breakdown |
| big brake kits for Audi S4 | Warranty | Includes |
|---|---|---|
| A-Premium Front and Rear Drill | — | — |
| PowerStop Z23 Performance Brak | 36 months / 36,000 miles | 2 front Z23 ceramic brake pads, 2 drilled & slotted rotors, 2 rear Z23 ceramic brake pads, 2 drilled & slotted rotors, hardware |
| R1 Concepts Front and Rear Bra | 1 year | — |
| Detroit Axle Brake Kit for 201 | 10 years | 4 front & rear drilled and slotted rotors, 4 ceramic brake pads with hardware |
| TRQ Brake Pad & Rotor Kit Cera | Limited Lifetime | 1 front ceramic brake pad set, 1 rear ceramic brake pad set, 2 front brake rotors, 2 rear brake rotors |
| Detroit Axle 10pc Brake Kit fo | 10 years | 4 front & rear drilled/slotted rotors, 4 ceramic brake pads, hardware, brake fluid, brake cleaner |
| Detroit Axle 10pc Brake Kit fo | 10 years | — |
More Details on Our Top Picks
A-Premium Front and Rear Drilled Slotted Brake Rotors and Ceramic Pads Kit
This kit stands out for offering a full set of drilled and slotted rotors paired with ceramic pads, making it an excellent choice for those seeking a balanced upgrade that enhances both safety and durability. Compared to the PowerStop Z23 kit, it provides a more comprehensive package with hardware included, but it may lack the heat resistance and noise reduction features of the latter. The ceramic pads reduce brake dust and noise, translating into cleaner wheels and quieter operation, which is ideal for daily drivers. However, it requires vehicle-specific verification and professional installation in some cases, especially because rear pads lack wear sensors. This kit is perfect for owners wanting a reliable, all-in-one upgrade with a factory-like fit.
Pros:- Complete kit with rotors, pads, hardware, and lubricant
- Perfect fit for specific Audi S4 and S5 models
- Ceramic pads significantly reduce brake dust and noise
Cons:- Requires vehicle-specific verification before purchase
- Rear pads do not include wear sensors
- Installation may need professional help
Best for: Audi S4 owners who prioritize a complete, OEM-compatible upgrade that emphasizes durability and ease of installation.
Not ideal for: Enthusiasts seeking high-performance, race-ready braking capabilities or those willing to invest in specialized heat-resistant components.
- Material (Rotors):G3000 Metallurgy
- Mounting Bolt Hole Quantity:5
- Outside Diameter:345.0 mm (Front), 330.0 mm (Rear)
- Discard Thickness:28.0 mm (Front), 20.0 mm (Rear)
- Pad Material:Ceramic
- Pad Thickness:18.2 mm (Front), 16.7 mm (Rear)
Our verdict“This kit suits owners looking for a reliable, all-in-one solution that maintains factory standards and straightforward installation.”
PowerStop Z23 Performance Brake Pad & Rotor Kit Front & Rear K6157
The PowerStop Z23 kit makes a compelling case for owners who want a noticeable upgrade in braking performance while maintaining quiet operation, thanks to its carbon-fiber ceramic pads and rust-resistant rotors. Compared with the A-Premium set, it emphasizes heat dissipation and low noise, making it ideal for spirited driving or frequent stop-and-go traffic. The inclusion of hardware and a 36-month warranty further adds value, but buyers need to verify fitment since the kit may arrive in multiple boxes, which could complicate installation. The rotors’ zinc dichromate coating helps resist corrosion, extending longevity. This kit is best suited for drivers seeking a high-performance upgrade that balances daily usability with spirited braking.
Pros:- Enhanced stopping power over OEM parts
- Quiet operation with chamfered and slotted pads
- Rust-resistant coating on rotors and comprehensive hardware
Cons:- Requires confirmation of vehicle fitment
- May be delivered in multiple boxes, complicating installation
Best for: Drivers who want a high-quality, quiet, and durable braking upgrade with a focus on corrosion resistance.
Not ideal for: Those looking for a full OEM replacement or with very specific model-year fitment needs, as fitment confirmation is required.
- Includes:2 front Z23 ceramic brake pads, 2 drilled & slotted rotors, 2 rear Z23 ceramic brake pads, 2 drilled & slotted rotors, hardware
- Warranty:36 months / 36,000 miles
- Rotor Material:Steel with Silver Zinc Dichromate plating
- Pad Material:Carbon-Fiber Ceramic
Our verdict“This kit is ideal for drivers wanting a significant performance boost with quiet, long-lasting components.”
R1 Concepts Front and Rear Brake Kit for 2018-2020 Audi S4, S5, SQ5
This R1 Concepts kit is tailored for owners of 2018-2020 Audi S4, S5, and SQ5 models who want direct-fit, high-performance braking components. Its drilled and slotted rotors paired with Euro ceramic pads offer improved stopping power and quieter operation compared with basic OEM replacements like the Detroit Axle kit. Compared with the PowerStop kit, it emphasizes a perfect fit without the need for modifications, but it’s limited to newer models, and the one-year warranty might be a drawback for those seeking long-term coverage. The Euro ceramic pads help reduce dust and noise, making it suitable for daily driving. This kit is best for owners seeking a straightforward, high-performance upgrade with precise fitment in newer Audi models.
Pros:- Direct fitment for 2018-2020 models without modifications
- Enhanced braking with drilled and slotted rotors
- Quiet, dust-reducing Euro ceramic pads
Cons:- Limited to specific newer model years
- Warranty coverage is only 1 year
Best for: Owners of 2018-2020 Audi S4, S5, or SQ5 looking for a direct-fit, performance-oriented upgrade with a focus on noise reduction.
Not ideal for: Older model owners or those who want extended warranty coverage beyond one year, as the warranty period is limited.
- Front Rotor Diameter:13.8 inches
- Rear Rotor Diameter:13.0 inches
- Rotor Type:Cross-Drilled and Diamond Slotted
- Material:G3000 iron
- Pad Type:Euro Ceramic
- Warranty:1 year
Our verdict“This kit is well-suited for owners of newer Audi models seeking a precise, performance upgrade with minimal fuss.”
Detroit Axle Brake Kit for 2012-2016 Audi S4 and 2017 Audi S5
The Detroit Axle kit offers a robust, OEM-like upgrade with a massive 10-year warranty, making it appealing for owners who prioritize longevity and reliability. Its drilled and slotted rotors combined with ceramic pads ensure improved braking and quieter operation over time. Compared to the higher-priced PowerStop or R1 Concepts kits, it emphasizes durability and OEM standards, but installation might be more complex, and the high cost may deter budget-conscious buyers. Designed to meet or surpass OEM specifications, this kit is ideal for those who want peace of mind in long-term performance. This kit is best for owners seeking a highly durable, OEM-quality upgrade with extensive warranty coverage.
Pros:- High-quality drilled and slotted rotors for better braking
- Ceramic brake pads for quieter operation and longer lifespan
- 10-year warranty ensures long-term reliability
Cons:- Installation may require professional expertise
- Higher cost compared to basic kits
- Limited compatibility outside specified model years
Best for: Owners of 2012-2016 or 2017 Audi models who need a long-lasting, OEM-quality brake upgrade and are willing to pay a premium.
Not ideal for: Enthusiasts seeking the absolute lowest cost or those not comfortable with professional installation, as the cost and complexity are higher.
- Front Rotors Diameter:13.58 inch (345mm)
- Rear Rotors Diameter:12.99 inch (330mm)
- Includes:4 front & rear drilled and slotted rotors, 4 ceramic brake pads with hardware
- Warranty:10 years
Our verdict“This kit suits owners prioritizing OEM-level quality and long-term durability over initial cost or performance gains.”
TRQ Brake Pad & Rotor Kit Ceramic
The TRQ ceramic kit offers a straightforward, budget-conscious solution for owners needing a reliable replacement without the bells and whistles of performance kits like PowerStop or R1 Concepts. It includes pre-assembled front and rear rotors and pads, making installation simpler for DIY enthusiasts. While it lacks detailed vehicle-specific fitment info and has a more limited warranty scope, it provides decent braking performance for daily use. Compared to premium options, it sacrifices some durability and advanced features but remains a solid choice for those seeking affordability and ease of installation. This kit is ideal for budget-minded owners who want a quick, straightforward replacement for their stock brakes.
Pros:- Includes all necessary components for front and rear
- Pre-assembled for quick, easy installation
- Limited lifetime warranty offers peace of mind
Cons:- No detailed vehicle compatibility info
- Limited warranty coverage scope
- Less suitable for aggressive driving or high-performance use
Best for: Owners of various vehicles seeking an affordable, no-fuss brake replacement that is easy to install.
Not ideal for: High-performance drivers or owners of specific Audi S4 models looking for longer-lasting, high-end upgrades.
- Includes:1 front ceramic brake pad set, 1 rear ceramic brake pad set, 2 front brake rotors, 2 rear brake rotors
- Warranty:Limited Lifetime
Our verdict“This kit fits owners needing a basic, affordable brake replacement without the need for high-performance features.”
Detroit Axle 10pc Brake Kit for Audi Q5 2013-2016, S4 2012-2016, S5 2017
This Detroit Axle kit stands out for offering a comprehensive set of drilled and slotted rotors along with ceramic pads, making it an excellent choice for those prioritizing OEM-like fit and finish at a competitive price. Compared with the PowerStop Z23 Performance kit, it provides a more complete package with hardware, brake fluid, and cleaner included, plus a hefty 10-year warranty that emphasizes durability. However, its installation may require professional help to ensure proper fitment, especially on the S4, and it could be pricier than simpler rotor-only options. This kit is ideal for enthusiasts seeking a full replacement that balances performance and long-term reliability without the premium cost of high-end brands.
Pros:- Includes drilled and slotted rotors for improved heat dissipation and braking performance
- Complete kit with hardware, brake fluid, and cleaner for a full replacement
- Backed by a 10-year warranty for peace of mind
Cons:- May require professional installation for proper fitment, especially on performance models
- Higher cost compared to basic rotor-only kits
Best for: Budget-conscious owners who want a full, OEM-quality brake overhaul with warranty coverage
Not ideal for: Amateurs or DIYers with limited experience, as installation complexity may be high and professional help could be needed
- Model Compatibility:Audi Q5 (2013-2016), S4 (2012-2016), S5 (2017)
- Rotor Size:13.58 inch (345mm) front, 12.99 inch (330mm) rear
- Includes:4 front & rear drilled/slotted rotors, 4 ceramic brake pads, hardware, brake fluid, brake cleaner
- Warranty:10 years
Our verdict“This kit suits budget-minded owners seeking a full, OEM-like brake upgrade with long-term reliability and comprehensive parts.”
Detroit Axle 10pc Brake Kit for Audi S4, Q5, S5 (2012-2017)
This kit is designed specifically for performance-oriented drivers who want durability and consistent braking across multiple Audi models, including the S4. Compared to the A-Premium rotor and pad set, it offers a more robust package with a focus on exceeding OEM standards, backed by a 10-year warranty that underscores its reliability. While installation may be complex for DIYers, this kit’s focus on performance makes it a smart choice for owners who demand longevity and high heat capacity from their brakes. It makes the most sense for S4 owners who need a durable, comprehensive upgrade that can handle spirited driving and daily use alike.
Pros:- Includes all necessary components for a full brake overhaul
- Built to surpass OEM specs for increased durability and heat resistance
- 10-year warranty confirms confidence in long-term performance
Cons:- Installation can be challenging without professional help
- Specific to certain Audi models, not a universal fit
Best for: Performance-minded drivers wanting a durable, complete brake kit that covers multiple Audi models
Not ideal for: Casual owners or those with limited mechanical skill who prefer simpler, rotor-only replacements
- Model Compatibility:2012-2017 Audi S4, Q5, S5
- Rotor Size:13.58 inch (345mm) front, 12.99 inch (330mm) rear
- Kit Contents:4 rotors, 4 ceramic brake pads, hardware, brake fluid, brake cleaner
- Warranty:10 years
Our verdict“This kit fits owners seeking a high-performance, long-lasting brake solution tailored for spirited driving and model versatility.”
How We Picked
These big brake kits were selected based on a combination of performance, build quality, ease of installation, and value. We evaluated each product’s materials, rotor design, pad composition, and overall durability. Compatibility with the Audi S4’s specifications was essential, along with user reviews highlighting real-world performance and reliability. The ranking reflects a balance between cost-effectiveness and high-performance features, ensuring options for various budgets and driving styles.Factors to Consider When Choosing Best Big Brake Kits For Audi S4
Choosing the right big brake kit for your Audi S4 involves more than just picking the most expensive set. Several factors influence performance, longevity, and daily usability. It’s important to consider your driving habits, maintenance preferences, and budget to select a kit that meets your needs without overpaying for unnecessary features. Understanding these key considerations can help you avoid common pitfalls and make a more informed purchase.Performance and Heat Dissipation
Look for kits with drilled, slotted, or vented rotors, which improve heat dissipation during aggressive braking. This reduces fade and prolongs rotor life, especially if you frequently push your S4 hard. However, these designs can sometimes be more susceptible to cracking under extreme conditions and may require more maintenance. Balancing performance with durability is key to choosing a kit that performs well without sacrificing longevity.
Material Quality and Durability
High-quality materials like premium cast iron or carbon-ceramic composites improve stopping power and resist warping over time. Cheaper materials may save money upfront but tend to wear faster and may not handle high temperatures well. Consider your typical driving conditions—if you often engage in spirited driving or track days, investing in better materials can prevent premature failures and costly replacements.
Compatibility and Fitment
Ensuring the brake kit fits your specific model, including wheel clearance and hub compatibility, is essential. Some kits require additional modifications or spacers, which can complicate installation. Double-check the manufacturer’s specifications and consult with a professional if unsure. Proper fitment guarantees optimal performance and avoids issues like rubbing or uneven wear.
Ease of Installation and Maintenance
Some big brake kits are designed for straightforward installation, while others may require more advanced mechanical skills. Consider whether you plan to install the kit yourself or hire a professional. Additionally, look at the maintenance demands—rotors with complex designs might need more frequent servicing, which could influence your choice if you prefer low-effort upkeep.
Cost and Value
Price varies significantly among options, with premium kits costing more but offering better materials and performance. Balance your budget with your performance needs; if you only occasionally push your S4, a mid-range kit could suffice. Conversely, if you demand maximum braking capability, investing in a higher-end system might save money long-term by reducing replacement frequency and improving safety.
Frequently Asked Questions
Will a bigger brake kit fit my stock wheels?
Not always. Larger brakes require more clearance, which can interfere with stock wheels, especially if they are narrow or low-profile tires. Always verify the rotor diameter and caliper dimensions against your wheel specifications. Upgrading to larger brakes might necessitate wider wheels or spacers, so double-check compatibility before purchasing.
Are ceramic brake pads necessary for big brake kits?
Ceramic pads generally provide quieter operation, less dust, and better heat resistance, making them a popular choice for high-performance setups. However, they are more expensive than semi-metallic or organic options. Depending on your driving style and budget, non-ceramic pads can still deliver good performance but may wear faster and produce more brake dust.
How much does installation typically cost?
Installation costs vary depending on the shop and the complexity of the kit. Expect to pay between $300 and $700 if hiring a professional, especially if additional modifications are needed. If you have mechanical skills, installing a big brake kit yourself can save money, but ensure you follow proper procedures for safety and optimal performance.
Can I upgrade to bigger brakes without changing my suspension?
In most cases, yes, but with caveats. Larger brakes can add weight and alter the braking balance, which might affect handling if your suspension isn’t designed to compensate. It’s wise to ensure your suspension setup can handle the increased mass and that your wheels can accommodate the larger rotors and calipers without rubbing or clearance issues.
How often do I need to replace big brake kit components?
The lifespan depends on usage and material quality. Rotors with drilled or slotted designs may need replacing every 20,000 to 50,000 miles under normal driving, while ceramic pads tend to last longer than metallic ones. Regular inspections are recommended to catch wear early, especially if you engage in spirited driving or track use frequently.
Conclusion
The best overall big brake kit for most Audi S4 owners is the PowerStop Z23 Performance Brake Kit due to its solid balance of performance, durability, and value. For those prioritizing maximum stopping power and premium materials, the R1 Concepts Brake Kit offers excellent customization, though at a higher price. Budget-conscious drivers will find the Detroit Axle Kits reliable for everyday use, while enthusiasts seeking race-ready setups should consider premium ceramic options. Beginners or casual drivers should focus on kits that are straightforward to install and maintain, whereas experienced tuners might prefer options with more advanced materials and features. Ultimately, your choice depends on your driving demands, budget, and how much you want to invest in performance versus convenience.
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