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.

EBC
EBC 91-94 Audi 100 Quattro 2.8 (ATE) Yellowstuff Front Brake Pads

Stoptech
StopTech 09-10 Audi A4 / 08-10 A5 / 10 Audi S4 Front Left Slotted Cryo Rotor

Stoptech
StopTech Drilled Sport Brake Rotor

EBC
EBC 2017+ Audi A4 (B9) GD Sport Slotted and Dimpled Front Rotors

Stoptech
StopTech Slotted & Drilled Sport Brake Rotor

EBC
EBC 05-08 Audi A4 2.0 Turbo GD Sport Rear Rotors

Stoptech
Centric OE Coated Front Brake Kit (2 Wheel)

EBC
EBC 10+ Audi A5 2.0 Turbo USR Slotted Front Rotors

Stoptech
Centric OE Grade Rear Brake Kit (2 Wheel)

Hawk Performance
Hawk HP+ Street Brake Pads

EBC
EBC 2020+ Audi A4 B9 2.0T Front Wear Leads

EBC
EBC S2 Kits Greenstuff Pads & USR Rotors

Hawk Performance
Hawk 98-00 Audi A4 2.8L Avant Rear ER-1 Brake Pads

EBC
S5KF1700 FRONT EBC Stage 5 Kit

EBC
EBC 12-16 Audi A4 2.0 Turbo BSD Front Rotors

EBC
EBC 02 Audi A4 1.8 Turbo (8E) GD Sport Rear Rotors

EBC
S12KR1221 REAR EBC Stage 12 Kit

EBC
EBC S2 Kits Greenstuff Pads and USR Rotors

EBC
EBC S13 Brake Pad and Rotor Kit

Stoptech
StopTech 03-09 Chrysler PT Cruiser Tur / 03-05 Dodge Neon SRT-4 Front Right Slotted & Drilled Rotor

MGP
Set Of 4 Caliper Covers Engraved Front And Rear MGP Yellow Finish Black Characters 2005-2008 Audi A4 MGP Caliper Covers

Stoptech
StopTech Drilled Sport Brake Rotor

EBC
EBC 09-11 Audi A4 2.0L Turbo Bluestuff Front Brake Pads

Stoptech
StopTech Power Slot 02-06 Audi A4/A4 Quattro 3.0L/98-04 A6/A6 Quattro AHA Front Left Slotted Rotor

Stoptech
StopTech Slotted Sport Brake Rotor

EBC
EBC 91-94 Audi 100 Quattro 2.8 (ATE) Redstuff Front Brake Pads

Stoptech
StopTech Select Sport Drilled & Slotted Rotor - Front Right

EBC
EBC 09-11 Audi A4 2.0 Turbo Premium Front Rotors

Hawk Performance
Hawk HPS Street Brake Pads

Stoptech
StopTech Power Slot 96-7/04 Audi A4/A4 Quattro / 95-01 A6/A6 Quattro CRYO Front Left Slotted Rotor

Stoptech
StopTech Power Slot 01-06 Audi Allroad / 05-09 A4 / 6/99-04 A6 / 99-02 S4 Left Front Slotted Rotor

EBC
EBC 04-06 Audi TT Quattro 3.2 Bluestuff Rear Brake Pads

Stoptech
StopTech Slotted & Drilled Sport Brake Rotor

Stoptech
StopTech Drilled Sport Brake Rotor

Stoptech
StopTech Street Select Brake Pads - Rear

EBC
EBC 09-11 Audi A4 2.0T Stainless Steel Brake Line Kit

EBC
EBC 05-08 Audi A4 2.0 Turbo Yellowstuff Front Brake Pads

EBC
EBC 00-01 Volkswagen Passat 1.8 Turbo Greenstuff Front Brake Pads

Stoptech
StopTech Slotted & Drilled Sport Brake Rotor

EBC
EBC 10-13 Audi A3 2.0 TD Greenstuff Rear Brake Pads

EBC
EBC 10-13 Audi A3 2.0 TD Yellowstuff Rear Brake Pads

Stoptech
StopTech Slotted & Drilled Sport Brake Rotor

EBC
EBC S1 Brake Pad and Rotor Kit

EBC
EBC 09-11 Audi A4 2.0 Turbo Greenstuff Front Brake Pads

Stoptech
StopTech Performance 1/05-09 Audi A4/A4 Quattro Front Brake Pads

Hawk Performance
Hawk 18-19 Audi S5 HPS 5.0 Rear Brake Pads

EBC
EBC 06-09 Audi RS4 4.2 (Cast Iron Rotors) Bluestuff Rear Brake Pads

Hawk Performance
Hawk HPS Street Brake Pads

EBC
EBC S1 Brake Pad and Rotor Kit

Stoptech
StopTech Slotted & Drilled Sport Brake Rotor

EBC
EBC 05-08 Audi A4 2.0 Turbo Premium Rear Rotors

EBC
EBC 05-08 Audi A4 2.0 Turbo Greenstuff Front Brake Pads

Stoptech
StopTech Power Slot 01-03 Audi S8 Right Rear Slotted Rotor

Stoptech
Stoptech 09-11 Audi A4/A4 Quattro Front Premium High Carbon CryoStop Rotor

Stoptech
Centric OE Grade Rear Brake Kit (2 Wheel)

Stoptech
StopTech Drilled Sport Brake Rotor
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