QUATTRO MEETS PRACTICALITY
B5 through B9 — Audi's compact sedan with available Quattro AWD and turbo power.
Audi A4 HERITAGE
THE QUATTRO COMPACT
MOTORMIA A4 builds span B5 1.8T stage-3 tuners, B7 RS4 V8 swap projects, B8/B9 ECU-tuned dailies, and the S4 supercharged V6 generation. Many parts cross-fit with VW MK6/MK7 platforms.
Audi A4 ON MOTORMIA
THE NUMBERS
CATEGORIES
Top product categories for the Audi A4
BRANDS
Top brands for Audi A4 builds
READY TO BUILD YOUR AUDI A4?
Pick your year and trim to shop verified-fit Audi A4 parts.
Shop all Audi A4 parts →Verified Fitment
Audi A4 Category brakes Parts
2156 parts available
Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

Brembo
Brembo 14-15 Audi A6/A6 Quattro/A7 Quattro/12-17 S5 Front Premium UV Coated OE Equivalent Rotor

Brembo
Brembo 00-06 Audi A4/00-04 A6 Quattro/99-05 VW Passat Front Premium Low-Met OE Equivalent Pad

Brembo
Brembo 06-09 Audi A3 Premium Low-Met OE Equivalent Pad - Rear

Brembo
Brembo 09-16 Audi A4/A4 Quattro/10-14 A5/08-17 S5 Front Premium Low-Met OE Equivalent Pad

Brembo
Brembo 18-19 RS5/2021 RS5/18-20 S4/18-20 SQ5 Premium NAO Ceramic OE Equivalent Pad - Rear

Brembo
Brembo 06-09 Audi A3 Premium NAO Ceramic OE Equivalent Pad - Rear

Brembo
Brembo 13-17 Audi Q5/10-16 S4/2008 S5/10-17 S5/14-17 SQ5 Rear Premium Low-Met OE Equivalent Pad
Stoptech
Centric 02-06 Audi A4 / 02-04 Audi A4 Quattro Semi-Loaded Brake Caliper - Rear Left
Stoptech
Centric 02-06 Audi A4 / 02-04 A4 Quattro Semi-Loaded Brake Caliper - Rear Right

Stoptech
Centric 2000 Audi A8/97-00 A8 Quattro Semi-Loaded Rear Right Brake Caliper

Stoptech
Centric 97-01 Audi A4/98-94 Audi A6/98-05 VW Passat Semi-Loaded Rear Right Brake Caliper
Stoptech
Centric 96-97 Audi A4 Semi-Loaded Brake Caliper - Rear Left
Stoptech
Centric 96-97 Audi A4 Semi-Loaded Brake Caliper - Rear Right
Stoptech
Centric 07-09 Audi A4 / A4 Quattro Semi-Loaded Brake Caliper - Front Right
Goodridge
Goodridge 2005+ Audi A4 All Models Stainless Steel Brake Lines - Red

Brembo
Brembo 05-09 Audi A4/A4 Quattro/06-11 A6 Quattro Front Premium NAO Ceramic OE Equivalent Pad

Brembo
Brembo 05-09 Audi A4/A4 Quattro/06-11 A6/05-11 A6 Quattro Front Premium Low-Met OE Equivalent Pad

Brembo
Brembo 07-17 Audi A5 Front TY3 Sport Disc Rotor -345X30

Brembo
Brembo 07-17 Audi A5 Front TY3 Sport Disc Rotor - 314X25

Brembo
Brembo 07-17 Audi A5 Front TY3 Sport Disc Rotor - 320X30

Brembo
Brembo 08-13 Seat Exeo Front TY3 Sport Disc Rotor - 288X25

Brembo
Brembo 99-10 VW Beetle/99-06 Golf/99-05 Jetta Front Premium Xtra Cross Drilled UV Coated Rotor

Brembo
Brembo 92-94 Audi 100/96-05 A4/96-05 A4 Quattro Front Premium UV Coated OE Equivalent Rotor

Brembo
Brembo 2023 Audi S4/S5/S5 Sportback/S6/S7 Sportback Premium Low-Met OE Equivalent Pad

Brembo
Brembo 09-16 Audi A4/A4 Quattro/10-14 A5/2009 S5 Rear Premium Low-Met OE Equivalent Pad

Brembo
Brembo 10-16 Audi S4/08-17 S5/09-16 A4/10-14 A5 Front Premium NAO Ceramic OE Equivalent Pad

Brembo
Brembo 17-18 Audi A4/17-20 A4 allroad/A4 Quattro Front Premium UV Coated OE Equivalent Rotor

Stoptech
Centric 17-18 Audi A4 Rear Disc Brake Kit

Wilwood
Wilwood 03-08 Audi A4 Caliper-Combination Parking Brake Rear 12.19 Rotor - Red
Stoptech
StopTech 17-21 Audi A4 / 16-20 Audi A4 Quattro Sport Cross-Drilled Disc Rotor - Left
Stoptech
Preferred Axle Pack; 4-Wheel
Stoptech
Centric 17-18 Audi A4 Premium High Carbon Front Brake Rotor
Stoptech
Centric 17-18 Audi A4 Rear Disc Brake Kit

Wilwood
Wilwood 03-08 Audi A4 Caliper-Combination Parking Brake Rear 12.19 Rotor - Red

Wilwood
Wilwood 03-08 Audi A4 Caliper-Combination Parking Brake Rear 12.19 Rotor
Brembo
Brembo 2 Piece Drilled Rotor - 365x34mm - Right
Stoptech
OE Coated Brake Kit; 2-Wheel

APR Tuning
Brake Pads (Set of 4) Rear Audi/VW OE Replacement Advanced Street Pads APR
Wilwood
Wilwood 03-08 Audi A4 Caliper-Combination Parking Brake Rear 12.19 Rotor - Black

Stoptech
Posi-Quiet 06-08 Audi A3 / 1/05-08 Audi A4 Quattro Rear Brake Pads

PowerStop
Power Stop 99-01 Audi A4 Front Z23 Evolution Sport Brake Kit w/Calipers
PowerStop
Power Stop 99-01 Audi A4 Quattro Front & Rear Z23 Evolution Sport Coated Brake Kit

PowerStop
Power Stop 17-18 Audi A4 Front Semi Coated Rotor

PowerStop
Power Stop 02-04 Audi A4 Front & Rear Z23 Evolution Sport Coated Brake Kit

PowerStop
Power Stop 09-11 Audi A4 Front & Rear Z23 Evolution Sport Brake Kit
PowerStop
Power Stop 04-06 Audi A4 Quattro Front & Rear Euro-Stop Brake Kit
PowerStop
Power Stop 02-05 Audi A4 Front & Rear Euro-Stop Brake Kit
PowerStop
Power Stop 02-04 Audi A4 Front & Rear Euro-Stop Brake Kit
PowerStop
Power Stop 04-06 Audi A4 Quattro Front & Rear Z23 Evolution Sport Coated Brake Kit

PowerStop
Power Stop 12-16 Audi A4 Front Semi Coated Rotor

PowerStop
Power Stop 05-06 Audi A4 Front & Rear Z23 Evolution Sport Brake Kit w/Calipers
Wilwood
Wilwood AERO6 Front Kit 14.00in BBK - 08-12 Audi A4/A5/S5 - SRP Drilled & Slotted Rotor

PowerStop
Power Stop 17-18 Audi A4 Rear Semi Coated Rotor
PowerStop
Power Stop 99-01 Audi A4 Quattro Front & Rear Z23 Evolution Sport Brake Kit
Wilwood
Wilwood 03-08 Audi A4 Forged Narrow Superlite 6R Front Big Brake Kit 12.88in Rotor Dia (Black)

PowerStop
Power Stop 02-04 Audi A4 Front & Rear Autospecialty Brake Kit
PowerStop
Power Stop 96-01 Audi A4 Quattro Rear Red Calipers - Pair
Wilwood
Wilwood AERO6 Front Kit 15.00in BBK - 08-12 Audi A4/A5/S5 - Drilled & Slotted Rotor

PowerStop
Power Stop 02-06 Audi A4 Rear Semi Coated Rotor

PowerStop
Power Stop 05-09 Audi A4 Rear Z23 Evolution Sport Brake Kit
FAQ
Frequently Asked Questions About the Audi A4
What are the best aftermarket parts brands for the Audi A4?
The top brands MOTORMIA owners trust for Audi A4 builds are EBC, PowerStop, H&R, Bilstein, and Magnaflow. The catalog carries 3,135 parts that fit the A4. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.
What's the best trim or sub-model of the Audi A4 to modify?
The most-modified A4 trims are S4 (especially B5 / B7 / B8 / B9 supercharged). These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the A4's engine family (1.8T, 2.0T EA888, 3.0T supercharged (S4), 4.2 V8 (B7 RS4)) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.
What's the typical mod path for a Audi A4?
For most Audi A4 builds, the recommended modification order is: ECU tune → intake → downpipe → suspension → turbo upgrade. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for Audi A4 builds at every power level.
How does the Audi A4 aftermarket compare to the BMW 3 Series?
The Audi A4 is the Quattro AWD compact sedan with the EA888 2.0T platform shared across Audi/VW. On MOTORMIA, 3,135 parts fit the A4 across 3,000+ active member builds, with an average part MSRP of $711. The decision usually comes down to which platform you own — both have full bolt-on catalogs.
Will any Audi A4 part fit my year and trim?
Not always. The Audi A4 has had multiple generations and engine changes (e.g., 1.8T, 2.0T EA888, 3.0T supercharged (S4), 4.2 V8 (B7 RS4)), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the A4 a part fits. Use the fitment selector at the top of any page to pre-filter to your build.
Does MOTORMIA offer returns on Audi A4 parts?
Yes. Most Audi A4 parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.
MOTORMIA APP
Build your Audi A4 with Mia
Personalized Audi A4 mod recommendations, verified fitment from real A4 owners, and a garage that tracks every part on your build.
- Mod recommendations tuned to your A4 year, trim, and submodel
- Verified fitment data from 3,000+ Audi A4 member builds
- Performance gain estimates based on real-world results
- Save your garage and track every part you've installed