QUATTRO MEETS PRACTICALITY

B5 through B9 — Audi's compact sedan with available Quattro AWD and turbo power.

Audi A4 HERITAGE

THE QUATTRO COMPACT

The Audi A4 has been the German compact sport sedan since 1994. The B5 (1.8T) launched the tuner-friendly chassis, the B6/B7 added the K04 turbo upgrade culture, and the B8/B9 brought EA888 turbocharged 2.0T engines that share parts with the VW Golf R / Jetta GLI.

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

3,135
Parts that fit
3,000+
MOTORMIA Builds
EBC
#1 brand by SKUs
$711
Average MSRP

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 Parts

8164 parts available

Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

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30-Day Returns
DFC 97-05 Audi A6 Quattro Brake Master Cylinder

DFC

DFC 97-05 Audi A6 Quattro Brake Master Cylinder

DFC 11-17 Audi A4 Quattro Front & Rear Drilled & Slotted Geoperformance Rotors

DFC

DFC 11-17 Audi A4 Quattro Front & Rear Drilled & Slotted Geoperformance Rotors

DFC 96-99 Audi A4 Quattro Front Geospec Rotors w/4000 HybriDynamic Brake Pads w/Hardware

DFC

DFC 96-99 Audi A4 Quattro Front Geospec Rotors w/4000 HybriDynamic Brake Pads w/Hardware

DFC 00-08 Audi A4 Rear Drilled & Slotted Geoperformance Rotors

DFC

DFC 00-08 Audi A4 Rear Drilled & Slotted Geoperformance Rotors

M

Maxzone Vehicle Lighting Corp

CAPA AD A4 1718 F/SML UNIT RH

DFC 97-05 Audi A4 Rear-R Premium Caliper - Silver Zinc Coated

DFC

DFC 97-05 Audi A4 Rear-R Premium Caliper - Silver Zinc Coated

D

DFC

DFC 07-09 Audi A4 Front-L Silver Zinc Coated Premium Caliper

D

DFC

R1 12-17 Audi A4 allroad Front & Rear Carbon Coated Brake Rotor Set w/Euro Ceramic Pads

DFC 16-25 Audi A5 Front Euro 5000 Ceramic Brake Pads

DFC

DFC 16-25 Audi A5 Front Euro 5000 Ceramic Brake Pads

DFC 00-18 Audi A6 (USA/Canada) Rear Active Performance Pads and Hardware Kit

DFC

DFC 00-18 Audi A6 (USA/Canada) Rear Active Performance Pads and Hardware Kit

E

EcoHitch

0811 AUDI A4 ECOHITCH TRAILER HITCH HIDDEN DESIGN 2IN BLACK

DFC 08-17 Audi A5 Quattro Rear Geospec Rotors with 5000 Advanced Brake Pads w/Hardware

DFC

DFC 08-17 Audi A5 Quattro Rear Geospec Rotors with 5000 Advanced Brake Pads w/Hardware

D

DFC

DFC 16-21 Audi A4 (USA/Canada) Rear Low Metallic Track/Street Pads

R

R1 Concepts

R1 08-11 Audi A4 Quattro Front & Rear Drill/Slot Black Rotors w/Ceramic Pads

DIRECT-FIT PIPE - 05-08 AUDI A4 QUA

BRE EXHAUST

DIRECT-FIT PIPE - 05-08 AUDI A4 QUA

DIRECTFIT EXHAUST SYSTEM 0205 AUDI A4 QUATTRO 1.8L

BRExhaust

DIRECTFIT EXHAUST SYSTEM 0205 AUDI A4 QUATTRO 1.8L

FRONT PIPE KIT - 02-05 A4 QUATTRO,

BRE EXHAUST

FRONT PIPE KIT - 02-05 A4 QUATTRO,

FRONT PIPE KIT - 05-08 A4 QUATTRO 2

BRE EXHAUST

FRONT PIPE KIT - 05-08 A4 QUATTRO 2

FRONT PIPE KIT - 05-08 A4 QUATTRO 2

BRE EXHAUST

FRONT PIPE KIT - 05-08 A4 QUATTRO 2

B

BRE EXHAUST

DIRECT-FIT EXHAUST SYSTEM REPLACEME

R1 12-17 Audi A5 Quattro Front & Rear Drill/Slot Black Rotors w/Ceramic Pads

R1 Concepts

R1 12-17 Audi A5 Quattro Front & Rear Drill/Slot Black Rotors w/Ceramic Pads

0916 AUDI A4 DIRECTFIT EXHAUST SYSTEM

BRExhaust

0916 AUDI A4 DIRECTFIT EXHAUST SYSTEM

DIRECTFIT EXHAUST SYSTEM 9801 AUDI A4 QUATTRO 1.8L

BRExhaust

DIRECTFIT EXHAUST SYSTEM 9801 AUDI A4 QUATTRO 1.8L

DODGE ADJUSTABLE BALL JOINT

Specialty Products Inc.

DODGE ADJUSTABLE BALL JOINT

R

R1 Concepts

R1 E- Line Series Brake Rotor - D/S - Black w/ Ceramic Pads Hdw

R1 Concepts Brake Rotor- Carbon D/S Fits Audi A4

R1 Concepts

R1 Concepts Brake Rotor- Carbon D/S Fits Audi A4

R1 08-25 Audi A4 Quattro Rear Drilled & Slotted Carbon Coated Brake Rotor Set

R1 Concepts

R1 08-25 Audi A4 Quattro Rear Drilled & Slotted Carbon Coated Brake Rotor Set

R

R1 Concepts

R1 Concepts Hi-Carbon Alloy GEOMET Coated Rotor Fits Audi A4

R

R1 Concepts

R1 Concepts Brake Rotors - Carbon Coated w/ Euro Ceramic Pads Snsr Hdw Fits Audi A4

R1 96-05 Audi A4 Quattro Rear Left Drilled & Slotted Silver Brake Rotor

R1 Concepts

R1 96-05 Audi A4 Quattro Rear Left Drilled & Slotted Silver Brake Rotor

S

Specialty Products Inc.

AUDI/VW KNUCKLE PINCH HARDWARE

R

R1 Concepts

R1 Concepts Disc Brake Kit Fits Audi A4

R1 00-08 Audi A4 (USA/Canada) Rear Right Drilled & Slotted Silver Brake Rotor

R1 Concepts

R1 00-08 Audi A4 (USA/Canada) Rear Right Drilled & Slotted Silver Brake Rotor

R1 92-08 Audi A6 Quattro Front Right Drilled & Slotted Silver Brake Rotor

R1 Concepts

R1 92-08 Audi A6 Quattro Front Right Drilled & Slotted Silver Brake Rotor

R1 2008-2025 Audi A6 Quattro Rear Right Drilled & Slotted Silver Brake Rotor

R1 Concepts

R1 2008-2025 Audi A6 Quattro Rear Right Drilled & Slotted Silver Brake Rotor

R

R1 Concepts

R1 Concepts Brake Rotors - Carbon Coated w/ Euro Ceramic Pads Hdw Fits Volkswagen Cabrio

R1 Concepts Disc Brake Kit Fits Audi A4

R1 Concepts

R1 Concepts Disc Brake Kit Fits Audi A4

R

R1 Concepts

R1 09-11 Hyundai Genesis Sedan Front Right Drilled & Slotted Black Brake Rotor

R1 Concepts Black Slotted Rotors with 5000 Oep Brake Pads Hdw Fits Audi A4

R1 Concepts

R1 Concepts Black Slotted Rotors with 5000 Oep Brake Pads Hdw Fits Audi A4

R

R1 Concepts

R1 12-17 Audi Q5 Rear Drilled & Slotted Black Brake Rotor Set w/Optimum OE Pads and Hardware

R1 02-06 Audi A4 Front & Rear Drilled & Slotted Silver Brake Rotor Set w/Ceramic Pads and Hardware

R1 Concepts

R1 02-06 Audi A4 Front & Rear Drilled & Slotted Silver Brake Rotor Set w/Ceramic Pads and Hardware

R

R1 Concepts

R1 Concepts Brake Rotor- Blank Fits Audi A4

R1 Concepts E- Line Series Brake Rotor with Ceramic Brake Pads Hdw Fits Audi A4

R1 Concepts

R1 Concepts E- Line Series Brake Rotor with Ceramic Brake Pads Hdw Fits Audi A4

R1 Concepts Brake Rotor- Blank Fits Audi A4

R1 Concepts

R1 Concepts Brake Rotor- Blank Fits Audi A4

R

R1 Concepts

R1 Concepts E- Line Series Brake Rotor with Ceramic Brake Pads Hdw Fits Audi A4

R

R1 Concepts

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Porsche Macan

R1 Concepts Black Slotted Rotors with 5000 Oep Brake Pads Hdw Fits Audi A4

R1 Concepts

R1 Concepts Black Slotted Rotors with 5000 Oep Brake Pads Hdw Fits Audi A4

R

R1 Concepts

R1 Concepts E- Line Series Brake Rotor with Ceramic Brake Pads Hdw

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

R1 Concepts

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

DFC 11-17 Audi A4 Quattro Front & Rear Drilled & Slotted Geoperformance Rotors

R1 Concepts

DFC 11-17 Audi A4 Quattro Front & Rear Drilled & Slotted Geoperformance Rotors

R

R1 Concepts

R1 Concepts Brake Rotor Drilled and Slotted Silver Fits Audi A4

R1 Concepts Brake Rotor- Slotted - Black with Optimum Oe Pads

R1 Concepts

R1 Concepts Brake Rotor- Slotted - Black with Optimum Oe Pads

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

R1 Concepts

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

R1 Concepts Brake Rotor- D/S - Silver Fits Audi A4

R1 Concepts

R1 Concepts Brake Rotor- D/S - Silver Fits Audi A4

R

R1 Concepts

R1 Concepts Brake Rotor- D/S - Silver Fits Audi A4

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

R1 Concepts

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

R1 Concepts Brake Rotors - Carbon Coated w/ Euro Ceramic Pads Snsr Hdw Fits BMW X3

R1 Concepts

R1 Concepts Brake Rotors - Carbon Coated w/ Euro Ceramic Pads Snsr Hdw Fits BMW X3

R1 Concepts Disc Brake Kit Fits Audi A4

R1 Concepts

R1 Concepts Disc Brake Kit Fits Audi A4

R

R1 Concepts

R1 E- Line Series Brake Rotor - D/S - Silver w/ Ceramic Pads Hdw Fits Audi A4

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

R1 Concepts

R1 Concepts Brake Rotor- Blank with Optimum Oe Pads Hdw Fits Audi A4

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