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:exterior components Parts
2182 parts available
Shop aftermarket parts for the Audi A4. Verified fitment, free shipping, 30-day returns.

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Silver Gray

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Metallic Dark Blue

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Charcoal Gray

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Black

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Bright Red

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Silver Gray

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Metallic Dark Blue

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Charcoal Gray

Covercraft
Covercraft Custom Fit Car Covers - Form-Fit Black

Covercraft
Covercraft Custom Converitlbe Interior Cover Ultratect - Blue

Covercraft
Covercraft Custom Converitlbe Interior Cover Ultratect - Black

Covercraft
Covercraft Custom Converitlbe Interior Cover Weathershield HP - Taupe

Covercraft
Covercraft Custom Converitlbe Interior Cover Weathershield HP - Red

Covercraft
Covercraft Custom Converitlbe Interior Cover Polycotton - Gray

Covercraft
Covercraft Custom Converitlbe Interior Cover Weathershield HP - Black

Covercraft
Covercraft Custom Converitlbe Interior Cover Weathershield HP - Bright Blue

Covercraft
Covercraft Custom Converitlbe Interior Cover Sunbrella - Toast

Covercraft
Covercraft Custom Converitlbe Interior Cover Sunbrella - Gray

Covercraft
Covercraft Custom Converitlbe Interior Cover Sunbrella - Pacific Blue

Stoptech
Prem Metallic Brake Pad Shims & Hardware

Stoptech
Centric PQ PRO Disc Brake Pads w/Hardware - Front

Rhino-Rack USA
Rhino-Rack 91-96 Audi 80 4 Door Wagon Vortex SX 2 Bar Roof Rack - Black
Clevite
Clevite VW 4 1780-1983cc 1989-95 Con Rod Bearing Set
Clevite
Clevite Volkswagen 1588cc 1780cc 1781cc 1984cc Engines Con Rod Bearing Set
Rhino-Rack USA
Rhino-Rack 06-08 Audi A4 4 Door Sedan Vortex 2500 2 Bar Roof Rack - Black

Stoptech
Centric C-Tek Standard Brake Rotor - Rear
Stoptech
Centric Brake Pad Sensor Wires - Front/Rear

Stoptech
Centric C-Tek Standard Brake Rotor - Rear
Stoptech
Centric 07 Audi A4 Front Left Upper Forward Control Arm and Ball Joint
King Engine Bearings
King Engine Bearings Audi/VW 83-03 1.6L/1.8L/2.0L (Size STDX) Performance Coated Rod Bearing Set

Stoptech
Centric C-Tek Standard Brake Rotor - Front

Stoptech
Posi-Quiet Volkswagen Rear Ceramic Brake Pads

Stoptech
Centric Premium High Carbon Brake Rotor

Stoptech
Prem Ceramic Brake Pad Shims & Hardware

WeatherTech
WeatherTech Universal Seat Protector - Black

WeatherTech
WeatherTech 11-16 Scion Tc 1st Row Seat Protector - Charcoal

DBA
DBA 09-16 Audi A6 Street Series Right Rear Caliper

WeatherTech
WeatherTech 21-21 Hyundai Santa Fe Hybrid Rear Seat Protector

WeatherTech
WeatherTech 07-12 Acura RDX / 10-12 Audi A5 / 08-15 Buick Enclave Charcoal Rear Seat Protector

Hella
Hella 2013-2016 Audi S4 Back Up Light Assembly Rear Right Inner

Hella
Hella 2013-2016 Audi S4 Back Up Light Assembly Rear Left Inner

Hella
Hella 2013-2016 Audi A4 Fog Light Right

Hella
Hella 2013-2016 Audi A4 Fog Light Left

Hella
Hella 2012-2016 Audi A4 Fog Light Right

Hella
Hella 2012-2016 Audi A4 Fog Light Left

Hella
Hella LED 6418 12V 1W SV8.5-8 6.5K 36 SING Bulb

Diode Dynamics
Diode Dynamics - H11/H8/H9 Yellow SL2 LED Bulbs (pair)

Brembo
Brembo 05-09 Audi A4/A4 Quattro/02-04 A6/00-02 S4 Front Premium UV Coated OE Equivalent Rotor

Brembo
Brembo 01-06 Audi A4/02-05 A4 Quattro Rear Premium UV Coated OE Equivalent Rotor

Brembo
Brembo 96-01 Audi A4 Quattro/00-05 Volkswagen Passat Rear Premium UV Coated OE Equivalent Rotor

Brembo
Brembo 02-06 Audi A4/A4 Quattro Rear Premium UV Coated OE Equivalent Rotor

King Engine Bearings
King Audi / Volkswagen ADZ/AWT/APK 1.6/1.8/2.0L Crankshaft Main Bearing Set (Set of 5) (Size 0.25)

Brembo
Brembo 88-92 Audi 80 Premium Low-Met OE Equivalent Pad - Rear

Brembo
Brembo 1999 Audi A4 Quattro/00-01 A6 Quattro/02-03 S6 Front Premium Low-Met OE Equivalent Pad

Brembo
Brembo 88-92 Audi 80 Premium NAO Ceramic OE Equivalent Pad - Rear

Brembo
Brembo 97-98 Audi A4 Premium Low-Met OE Equivalent Pad - Rear

Brembo
Brembo 1999 Audi A4 Quattro Premium NAO Ceramic OE Equivalent Pad

Brembo
Brembo 96-99 Audi A4/A4 Quattro/1998 Volkswagen Passat Front Premium NAO Ceramic OE Equivalent Pad

Brembo
Brembo 17-20 Audi A4 Front Premium NAO Ceramic OE Equivalent Pad

Brembo
Brembo 97-98 Audi A4 Premium NAO Ceramic OE Equivalent Pad - Rear
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