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.

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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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B

BRE EXHAUST

EXHAUST KIT 02-05 AUDI A4 QUATTRO

R1 08-17 Audi A4 Front Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

DFC

R1 08-17 Audi A4 Front Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

M

Maxzone Vehicle Lighting Corp

CAPA VN JETA/GLI SDN/GLF ALLTRACK/PASSAT 1719/ATLAS(CA1) 1819/TGUAN 1820 LICENSE L

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BRE EXHAUST

DIRECT-FIT RESONATOR - 05-09 AUDI A

D

DFC

R1 00-09 Audi A4 Quattro Rear Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

D

DFC

R1 98-08 Audi A4 Front Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

DIRECTFIT EXHAUST SYSTEM 0203 AUDI A4 QUATRO 1.8L

BRExhaust

DIRECTFIT EXHAUST SYSTEM 0203 AUDI A4 QUATRO 1.8L

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DFC

DFC 08-25 Audi A4 Allroad Rear Drilled & Slotted Geoperformance Rotors

DFC 92-8 Audi A4 (USA/Canada) Front GeoSPEC Coated Rotor

DFC

DFC 92-8 Audi A4 (USA/Canada) Front GeoSPEC Coated Rotor

D

DFC

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

D

DFC

DFC 00-08 Audi A4 Quattro Rear Left Drilled & Slotted Silver Brake Rotor

DFC 08-17 Audi Q5 Rear-R Silver Zinc Coated Premium Caliper

DFC

DFC 08-17 Audi Q5 Rear-R Silver Zinc Coated Premium Caliper

DFC 05-09 Audi A4 Quattro Rear-L Premium Caliper - Silver Zinc Coated

DFC

DFC 05-09 Audi A4 Quattro Rear-L Premium Caliper - Silver Zinc Coated

DFC 02-06 Audi A4 Quattro Rear-L Silver Zinc Coated Premium Caliper

DFC

DFC 02-06 Audi A4 Quattro Rear-L Silver Zinc Coated Premium Caliper

DFC 17-24 Audi Q5 Sportback Front-L Silver Zinc Coated Premium Caliper

DFC

DFC 17-24 Audi Q5 Sportback Front-L Silver Zinc Coated Premium Caliper

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DFC

DFC 02-06 Audi A4 Front-R Premium Caliper - Silver Zinc Coated

EXHAUST KIT 05-09 AUDI A4 2.0L

BRE EXHAUST

EXHAUST KIT 05-09 AUDI A4 2.0L

FRONT PIPE KIT - 98-05 PASSAT 1.8L

BRE EXHAUST

FRONT PIPE KIT - 98-05 PASSAT 1.8L

DFC 16-25 Audi Q5 (USA/Canada) Except Hybrid Front Hi-Carbon Alloy Geomet Coated Rotor

DFC

DFC 16-25 Audi Q5 (USA/Canada) Except Hybrid Front Hi-Carbon Alloy Geomet Coated Rotor

DFC 16-25 Audi A4 Quattro Front Euro 5000 Ceramic Brake Pads

DFC

DFC 16-25 Audi A4 Quattro Front Euro 5000 Ceramic Brake Pads

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DFC

DFC 17-19 Audi A4 Quattro Front Right Geoperformance Rotor

DFC 16-25 Audi A5 Sportback Front Euro 5000 Ceramic Brake Pads and Hardware Kit

DFC

DFC 16-25 Audi A5 Sportback Front Euro 5000 Ceramic Brake Pads and Hardware Kit

DFC 98-09 Audi A4 (USA/Canada) Front Right Drilled & Slotted Geoperformance Rotor

DFC

DFC 98-09 Audi A4 (USA/Canada) Front Right Drilled & Slotted Geoperformance Rotor

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DFC

DFC 00-08 Audi A4 Rear Drilled & Slotted Geoperformance Rotors 5000 Advanced Brake Pads w/Hardware

DFC 08-12 Audi Q5 (USA/Canada) Front Right Drilled & Slotted Geoperformance Rotor

DFC

DFC 08-12 Audi Q5 (USA/Canada) Front Right Drilled & Slotted Geoperformance Rotor

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DFC

DFC 00-08 Audi A4 Quattro Rear Right Drilled & Slotted Geoperformance Rotor

DFC 10-19 Audi A4 Quattro Rear-R Premium Caliper - Silver Zinc Coated

DFC

DFC 10-19 Audi A4 Quattro Rear-R Premium Caliper - Silver Zinc Coated

DFC 08-17 Audi A4 Quattro Rear-L Silver Zinc Coated Premium Caliper

DFC

DFC 08-17 Audi A4 Quattro Rear-L Silver Zinc Coated Premium Caliper

DFC 97-05 Audi A6 Rear-L Premium Caliper - Silver Zinc Coated

DFC

DFC 97-05 Audi A6 Rear-L Premium Caliper - Silver Zinc Coated

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DFC

DFC 08-17 Audi ALLROAD Front-R Silver Zinc Coated Premium Caliper

DFC 99-06 Audi A4 Front Geospec Rotors w/4000 HybriDynamic Brake Pads w/Hardware

DFC

DFC 99-06 Audi A4 Front Geospec Rotors w/4000 HybriDynamic Brake Pads w/Hardware

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DFC

DFC 18-24 Audi A4 Quattro Front 5000 Advanced Low Metallic Brake Pads and Hardware Kit

D

DFC

DFC 96-01 Audi A4 Quattro Rear Geospec Rotors w/4000 HybriDynamic Brake Pads w/Hardware

DFC 11-17 Audi A6 Front & Rear Geospec Rotors

DFC

DFC 11-17 Audi A6 Front & Rear Geospec Rotors

D

DFC

R1 02-06 Audi A4 Front & Rear Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

R1 00-08 Audi A4 Front & Rear Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

DFC

R1 00-08 Audi A4 Front & Rear Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

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DFC

R1 08-11 Audi A4 Front Carbon Coated Brake Rotor Set w/Ceramic Pads and Hardware

D

DFC

R1 08-25 Audi A5 Rear Drilled & Slotted Silver Brake Rotor Set

M

Maxzone Vehicle Lighting Corp

AD Q5 1820 BUL & REFLECTOR LAMP ON R/BUMPER RH

M

Maxzone Vehicle Lighting Corp

CAPA AD A4/S4 1718 HEADLIGHT ASSY HID W/O BULB RH

DFC 08-17 Audi A4 Quattro Front Euro 5000 Ceramic Brake Pads and Hardware Kit

DFC

DFC 08-17 Audi A4 Quattro Front Euro 5000 Ceramic Brake Pads and Hardware Kit

EXHAUST KIT - 97-01 AUDI A4 QUATTRO

BRE EXHAUST

EXHAUST KIT - 97-01 AUDI A4 QUATTRO

E

EcoHitch

0811 AUDI A4 ECOHITCH TRAILER HITCH HIDDEN DESIGN 11/4IN BLACK

DFC 00-11 Audi A4 (Mexico) Front Euro 5000 Ceramic Brake Pads

DFC

DFC 00-11 Audi A4 (Mexico) Front Euro 5000 Ceramic Brake Pads

2002-2007 AUDI A4 CLASS 1 TRAILER H

ARMORDILLO

2002-2007 AUDI A4 CLASS 1 TRAILER H

D

DFC

DFC 00-08 Audi A4 Quattro Rear Left Drilled & Slotted Geoperformance Rotor

D

DFC

DFC 00-09 Audi A4 Quattro Front 5000 Advanced Low Metallic Brake Pads and Hardware Kit

DFC 08-17 Audi A4 (USA/Canada) Rear Active Performance Pads and Hardware Kit

DFC

DFC 08-17 Audi A4 (USA/Canada) Rear Active Performance Pads and Hardware Kit

D

DFC

DFC 08-17 Audi A4 FWD Front Active Performance Pads - Low Metallic

DFC 00-11 Audi A4 Quattro Front Active Performance Pads and Hardware Kit

DFC

DFC 00-11 Audi A4 Quattro Front Active Performance Pads and Hardware Kit

DFC 02-06 Audi A4 Quattro Front & Rear Geospec Rotors with 5000 Advanced Brake Pads w/Hardware

DFC

DFC 02-06 Audi A4 Quattro Front & Rear Geospec Rotors with 5000 Advanced Brake Pads w/Hardware

D

DFC

DFC 17-19 Audi A4 Quattro Front Right Dimpled & Slotted Silver Brake Rotor

B

BRE EXHAUST

DIRECT-FIT PIPE - 97-01 AUDI A4 QUA

AC TLX 2122 HEADLAMP ASPEC MDL RH

Maxzone Vehicle Lighting Corp

AC TLX 2122 HEADLAMP ASPEC MDL RH

D

DFC

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

FRONT PIPE KIT - 02-05 A4 QUATTRO,

BRE EXHAUST

FRONT PIPE KIT - 02-05 A4 QUATTRO,

M

Maxzone Vehicle Lighting Corp

CAPA AD A4/S4 SDN 1819 TAILLAMP ASSY OTR LED BLK RH

M

Maxzone Vehicle Lighting Corp

CAPA AD A4/S4 1718 HEADLIGHT ASSY HID W/O BULB LH

D

DFC

DFC 17-19 Audi A4 Quattro Front Left Dimpled & Slotted Silver Brake Rotor

D

DFC

DFC 08-18 Audi S5 Brake Master Cylinder

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