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.

Stoptech
StopTech 02-08 Audi A4 Quattro / 2/99-02 Audi S4 / 93-10 VW Golf GL/GLS Performance Rear Brake Pads

Hella
Hella Optilux H8 12V/35W XB Xenon White Bulb (pair)

Hella
Hella Optilux XY Series H8 Xenon Halogen Bulb 12V 35W Fog Bulbs - Pair

Mishimoto
Mishimoto Audi S4/A4/A6 Racing Thermostat

WeatherTech
WeatherTech 02-08 Audi A4 Sedan Rear Side Window Deflectors - Dark Smoke

EBC
EBC 2018+ Audi A4 Allroad Quattro 2.0L Turbo Ultimax2 Rear Brake Pads

Bilstein
Bilstein B4 2000 Audi A4 Base Front Twintube Shock Absorber

Bilstein
Bilstein B4 1999 Audi A4 Base Rear Twintube Shock Absorber

Hella
Hella Bulb H11 12V 55W PGJ19-2 T4 LONG LIFE

KONI
Koni STR.T (Orange) Shock Audi A4 Quattro - Rear

Rampage
Rampage 1999-2019 Universal Easyfit Car Cover 4 Layer - Grey

Hella
Hella Optilux H1 12V/55W XY Yellow Bulb

Hella
Hella Bulb 2821 12V 3W W21X95D T325 E1 (2)

Hella
Hella Clean Tech Wiper Blade 20in - Single

Stoptech
StopTech Slotted & Drilled Sport Brake Rotor

Hella
Hella Bulb 2825 12V 5W 4Cp W21X95D T325 Sb

WeatherTech
WeatherTech 02-08 Audi A4/S4/RS4 Rear FloorLiner - Grey

WeatherTech
WeatherTech 02-08 Audi A4/S4/RS4 Rear FloorLiner - Tan

WeatherTech
WeatherTech 09-13 Audi A4/S4/RS4 Cargo Liners - Black

Hella
Hella Bulb H1 12V 55W P14.5s T2.5

Hella
Hella Bulb H5W 12V 5W Ba9S T275

WeatherTech
WeatherTech 13-16 Audi Allroad / 09-12 Audi A4 Cargo Liners w/ Bumper Protector - Tan

King Engine Bearings
King Engine Bearings Audi/VW 83-03 1.6L/1.8L/2.0L (Size +.025) Performance Rod Bearing Set

Hella
Hella Bulb 921 12V 16W W21X95D T5 Sb

Stoptech
Street Select Brake Pads

Rampage
Rampage 1999-2019 Universal Easyfit Car Cover 4 Layer - Grey

Hella
Hella Bulb H7 12V 55W Px26D T4625 Sb

WeatherTech
WeatherTech 09-12 Audi A4 / 13-16 Audi Allroad Cargo Liners w/ Bumper Protector - Grey

WeatherTech
WeatherTech 07-15 Audi Q7 / 07-14 Cadillac Escalade / 09-14 Ford F-150 Gray Rear Seat Protector

Hella
Hella Clean Tech Wiper Blade 24in - Single

Stoptech
StopTech Street Touring 96-2/97 Audi A4 / 96-01 A4 Quattro / 95-98 A6 Rear Brake Pads

Hella
Hella Xenon D2S Bulb P32d-2 85V 35W 5000k

WeatherTech
WeatherTech 2017+ Audi A4 TechShade

WeatherTech
WeatherTech 09-13 Audi A4/S4/RS4 Cargo Liners - Tan

WeatherTech
WeatherTech 13-16 Audi Allroad SunShade Full Vehicle Kit
Thule
Thule AeroBlade Edge M Load Bar for Raised Rails (Single Bar) - Black

SPYDER
Spyder 13-16 Audi A4/S4 HID Model Only High-Power LED Headlights - Black PRO-YD-AA413HIDAP-BK

Rhino-Rack USA
Rhino-Rack 09-16 Audi A4 B8 Sedan Vortex ROC25 Flush 2 Bar Roof Rack - Black

Bilstein
Bilstein B3 96-01 Audi A4 Quattro Replacement Rear Coil Spring

DBA
DBA 00-06 Audi TT Quattro FWD Street Series Rear Brake Pads

Thule
Thule WingBar Evo 135 Load Bars for Evo Roof Rack System (2 Pack / 53in.) - Black

Hella
Hella H7 12V 55W PX26D HP 2.0 Halogen Bulbs

WeatherTech
WeatherTech 02-08 Audi A4 Avant Cargo Liners - Black

SPYDER
Spyder Audi A4 4Dr (Does Not Fit Quattro Models) 06-08 LED Tail Lights Smoke ALT-YD-AA406-G2-LED-SM

Clevite
Clevite Volkswagen 1588cc 1780cc 1781cc 1984cc Engines Con Rod Bearing Set

WeatherTech
WeatherTech 08+ Toyota Sequoia Cargo Liner With Bumper Protector - Black

Thule
Thule AirScreen XT Roof Rack Wind Fairing M - 38in. (Black)

EBC
EBC 91-95 Alfa Romeo 164 2.0 Turbo Ultimax2 Rear Brake Pads

WeatherTech
WeatherTech 2017+ Audi A4 TechShade Full Vehicle Kit

WeatherTech
WeatherTech 98-01 Audi A4 Avant 1.8t Cargo Liners - Black

WeatherTech
WeatherTech 2017+ Audi A4 Allroad Wagon Cargo Liner w/ Bumper Protector - Black

WeatherTech
WeatherTech 98-01 Audi A4 Avant 1.8t Cargo Liners - Grey

WeatherTech
WeatherTech 2015 + Audi A4 Avant (Wagon) Cargo Liners - Cocoa

Bilstein
Bilstein B4 1996 Audi A4 Base Rear Twintube Shock Absorber

WeatherTech
WeatherTech 59.75in W x 19in Depth x 25in H Seat Protector - Tan

Hella
Hella Bulb H7 12V 55W Px26D T4625 +50

Hella
Hella Standard Wiper Blade 15in - Single

Stoptech
StopTech 02-08 Audi A4 Quattro Rear Stainless Steel Brake Line Kit

WeatherTech
WeatherTech 2019+ Audi A4/S4/A5/S5 Rear (2nd Row) FloorLiners - Tan (Sedan & Sportback)

WeatherTech
WeatherTech 02-08 Audi A4/S4/RS4 Front Side Window Deflectors - Dark Smoke
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