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 Category:brakes Parts

2156 parts available

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

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30-Day Returns
SELECT AXLE PACK SINGLE AXLE

Stoptech

SELECT AXLE PACK SINGLE AXLE

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Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

R&R CALIPER ONLY EPB

Stoptech

R&R CALIPER ONLY EPB

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Stoptech

ST60/30-30-34/35

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

Stoptech auto part

Stoptech

STR40/44-44/32

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Stoptech

ST60/30-34-36/35F

Hella auto part

Hella

VACUUM PUMP, BRAKE SYSTEM

Stoptech auto part

Stoptech

Big Brake Kit 2 Piece Rot

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Stoptech

BBK 2PC SPORT TROPHY,FRT

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Stoptech

BL CALIPERS/DRILLED ROTOR

Stoptech auto part

Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

Stoptech auto part

Stoptech

ST65/30-34-36/32

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Stoptech

SPORTSTOP CRYO ROTOR

DBA auto part

DBA

DBA 05-09 Audi A4 Sedan (Fr 1/05/ Fr Ch No. 8E-5-400 001) Front 4000 Series Slotted Rotor

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

Stoptech auto part

Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

Stoptech auto part

Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

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Stoptech

BL CALIPERS/DRILLED ROTOR

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Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

Stoptech auto part

Stoptech

ST65/28-28-34/34

Stoptech auto part

Stoptech

SIL CALIPER/DRILLED ROTOR

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Stoptech

ST65/28-28-32/34F

Stoptech red auto part

Stoptech

RED CALIPER/DRILLED ROTOR

Stoptech auto part

Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

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Stoptech

ST60/40-38-40/32F

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Stoptech

ST60/40-38-40/32F

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

Stoptech auto part

Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

Stoptech auto part

Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

Stoptech auto part

Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

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Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

Stoptech auto part

Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

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Stoptech

BL CALIPERS/SLOTTED ROTOR

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Hella

BRAKE PAD SET, DISC BRAKE

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Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

Stoptech auto part

Stoptech

OE Plus Brake Kit 2 Wheel

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Stoptech

ST65/28-28-32/32F

Stoptech auto part

Stoptech

OE Plus Brake Kit 2 Wheel

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

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Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

Stoptech auto part

Stoptech

BIG BRAKE KIT 2 PIECE ROTOR, FRONT

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Stoptech

SELECT AXLE PACK 4 WHEEL

Stoptech auto part

Stoptech

TROPHY SPORT BIG BRAKE KIT 2 PIECE

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Stoptech

ST65/30-30-36/35F

Stoptech auto part

Stoptech

BBK 2PC ROTOR, FRONT

OE Plus Brake Kit 2 Wheel

Stoptech

OE Plus Brake Kit 2 Wheel

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Stoptech

BBK 2PC ROTOR, FRONT

Stoptech auto part

Stoptech

BL CALIPERS/DRILLED ROTOR

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Hella

DISC BRAKE ROTOR

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Stoptech

ST65/28-28-34/32

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Stoptech

ST60/40-38-40/32F

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Stoptech

ST60/28-28-32/32F

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Stoptech

ST65/38-38-42/32

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Stoptech

YL CALIPERS/DRILLED 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