QUATTRO MEETS PRACTICALITY

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

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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

CATEGORIES

Top product categories for the Audi A4

Brakes 839 SKUs Suspension 396 SKUs Engine 222 SKUs Drivetrain 199 SKUs Exterior 163 SKUs Air & Fuel 129 SKUs Exhaust 104 SKUs Electrical 97 SKUs Gaskets 64 SKUs Oils, Fluids and Sealer 31 SKUs

BRANDS

Top brands for Audi A4 builds

EBC EBC 388 SKUs PowerStop PowerStop 325 SKUs H&R H&R 120 SKUs Bilstein Bilstein 102 SKUs Magnaflow Magnaflow 76 SKUs Eibach Eibach 25 SKUs Stoptech Stoptech 22 SKUs Mishimoto Mishimoto 14 SKUs DeatschWerks DeatschWerks 8 SKUs

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 Category:suspension and components Parts

659 parts available

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

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30-Day Returns
Tein springs

Tein

Tein 02-05 Audi A4 Quattro B6 4wd 4cyl.(Incl 1.8T) S Tech Springs

$216.39In Stock
Tein springs

Tein

Tein 96-01 Audi A4 Sedan 2wd 4cyl.(Incl 1.8T) S Tech Springs

$236.00Special Order
H

H&R

H&R 17-20 Audi B9 32mm Adj. 2 Hole Sway Bar - Front

$686.89Special Order
H

H&R

H&R 21-23 Audi RS5 Sportback VTF Adjustable Lowering Springs

$1,208.78Special Order
Tein shock absorber

Tein

Tein 17-20 Audi A4/A4 Quattro (B9) Rear EnduraPro Shock

$109.12Special Order
Tein shock absorber

Tein

Tein 17-20 Audi A4/A4 Quattro (B9) Rear EnduraPro Plus Shock

$126.23Special Order
S

Stoptech

Centric 07 Audi A4 Front Right Lower Rearward Control Arm and Ball Joint

$326.32Special Order
T

Tein

Tein 09-16 Audi A4 / A4 Quattro (B8) Front EnduraPro Shock

$113.39Special Order
T

Tein

Tein 02-05 A4 Sedan 2wd 4 cyl. (incl 1.8T) S. Tech Springs

$264.00Special Order
T

Tein

Tein 09-16 Audi A4 / A4 Quattro (B8) Rear EnduraPro Shock

$109.12Special Order
H

H&R

H&R 09-16 Audi A4 Avant Quattro/A7 Quattro/A4 Allroad Street Perf. Coil Over

$1,866.12In Stock
H

H&R

H&R 98-01 Audi A4 Avant (2WD) B5 Touring Cup Kit (After 2/1/99)

$892.93In Stock
Tein shock absorber

Tein

Tein 09-16 Audi A4 / A4 Quattro (B8) Front EnduraPro Plus Shock

$130.50Special Order
T

Tein

Tein 02-05 Audi A4 Quattro B6 4wd 4cyl.(Incl 1.8T) H Tech Springs

$284.00Special Order
Tein shock absorber

Tein

Tein 17-20 Audi A4/A4 Quattro (B9) Front EnduraPro Plus Shock

$130.50Special Order
K

KONI

Koni 1145 Sport Kit 17-21 Audi A4 FWD & A5 Quattro (B9)

$1,292.70Special Order
Tein shock absorber

Tein

Tein 17-20 Audi A4/A4 Quattro (B9) Front EnduraPro Shock

$113.39Special Order
T

Tein

Tein 06+ A4 Quattro B7 S Tech Springs

$216.39In Stock
Tein springs

Tein

Tein 98-02 Audi S4 Sedan 4wd 6cyl. (Incl A4 2.8L) H Tech Springs

$272.00Special Order
Air Lift coilovers

Air Lift

Air Lift Performance 09-16 Audi A4 / 07-17 Audi A5 Coilover Kit

$1,861.10Out of Stock
Koni 17-21 Audi A4 Base (B9) Special Active Shock - Rear

KONI

Koni 17-21 Audi A4 Base (B9) Special Active Shock - Rear

$138.68Special Order
Koni 17-21 Audi A4 Base (B9) Special Active Shock - Front (55mm Clamp)

KONI

Koni 17-21 Audi A4 Base (B9) Special Active Shock - Front (55mm Clamp)

$175.78Special Order
Bilstein shock absorber

Bilstein

Bilstein 17-20 Audi A4 / 18-21 A5 Sportback (Standard Susp.) B4 OE Replacement Front Shock

$329.47In Stock
KONI shock absorber

KONI

Koni Special Active Shock 16-19 Audi A4 / 16-19 Audi S4 (B9) Rear

$138.68Special Order
Bilstein strut brace

Bilstein

Bilstein 09-16 Audi A4 B1 OE Replacement Rear Suspension Strut Mount

$217.90In Stock
AST springs

AST

AST 07/2018- Audi A4 Lowering Springs - 30mm/30mm

$286.79Special Order
AST springs

AST

AST 01/05-06/2008 Audi A4 Lowering Springs - 30mm/10mm

$402.08Special Order
AST springs

AST

AST 05/2017-10/2019 Audi A4 Lowering Springs - 45mm/40mm

$312.71Special Order
AST springs

AST

AST 08/2015-10/2019 Audi A4 Lowering Springs - 40mm/40mm

$312.71Special Order
AST springs

AST

AST 08/2015-10/2019 Audi A4 Lowering Springs - 40mm/40mm

$312.71Special Order
AST springs

AST

AST 05/2015- Audi A4 Lowering Springs - 30mm/30mm

$273.83Special Order
AST springs

AST

AST 08/2015-10/2019 Audi A4 Lowering Springs - 30mm/30mm

$281.03Special Order
AST springs

AST

AST 05/2015- Audi A4 Lowering Springs - 30mm/30mm

$286.79Special Order
AST springs

AST

AST 05/2004-12/2008 Renault MEGANE Lowering Springs - 30mm/30mm

$281.03Special Order
AST springs

AST

AST 11/2007-12/2015 Audi A4 Lowering Springs - 20mm/20mm

$355.95Special Order
AST springs

AST

AST 04/2008-12/2015 Audi A4 Lowering Springs - 20mm/20mm

$380.48Special Order
AST springs

AST

AST 04/2008-12/2015 Audi A4 Lowering Springs - 40mm/35mm

$380.48Special Order
AST springs

AST

AST 04/2008-12/2015 Audi A4 Lowering Springs - 30mm/25mm

$367.47Special Order
AST springs

AST

AST 04/2008-12/2015 Audi A4 Lowering Springs - 20mm/20mm

$350.19Special Order
AST springs

AST

AST 11/2007-12/2015 Audi A4 Lowering Springs - 30mm/25mm

$350.19Special Order
AST springs

AST

AST 04/2008-12/2015 Audi A4 Lowering Springs - 40mm/35mm

$350.19Special Order
AST springs

AST

AST 11/2007-12/2015 Audi A4 Lowering Springs - 20mm/20mm

$386.24Special Order
AST springs

AST

AST 11/2007-12/2015 Audi A4 Lowering Springs - 40mm/35mm

$386.24Special Order
AST springs

AST

AST 04/2008-12/2015 Audi A4 Lowering Springs - 30mm/25mm

$355.95Special Order
AST springs

AST

AST 11/2007-12/2015 Audi A4 Lowering Springs - 30mm/25mm

$354.51Special Order
AST springs

AST

AST 05/02-2008 Audi A4 Lowering Springs - 20mm/10mm

$386.24Special Order
AST springs

AST

AST 05/02-2008 Audi A4 Lowering Springs - 20mm/10mm

$386.24Special Order
AST springs

AST

AST 05/02-2008 Audi A4 Lowering Springs - 20mm/10mm

$380.48Special Order
AST springs

AST

AST 07/2001-03/2008 Audi A4 Lowering Springs - 30mm/30mm

$455.40Special Order
AST springs

AST

AST 1995-1999 Audi A4 Lowering Springs - 30mm/30mm

$358.83Special Order
AST springs

AST

AST 07/2001-03/2008 Audi A4 Lowering Springs - 30mm/30mm

$374.72Special Order
AST springs

AST

AST 1995-1999 Audi A4 Lowering Springs - 30mm/30mm

$353.07Special Order
AST springs

AST

AST 11/2000-10/2007 Audi A4 Lowering Springs - 30mm/20mm

$453.96Special Order
AST springs

AST

AST 07/2001-03/2008 Audi A4 Lowering Springs - 30mm/30mm

$406.40Special Order
AST springs

AST

AST 02/1995-06/2001 Audi A4 Lowering Springs - 45mm/35mm

$340.11Special Order
AST springs

AST

AST 11/2000-10/2007 Audi A4 Lowering Springs - 30mm/30mm

$406.40Special Order
AST springs

AST

AST 07/2001-03/2008 Audi A4 Lowering Springs - 30mm/30mm

$406.40Special Order
AST springs

AST

AST 02/1995-06/2001 Audi A4 Lowering Springs - 30mm/20mm

$318.51Special Order
AST springs

AST

AST 11/2000-10/2007 Audi A4 Lowering Springs - 30mm/30mm

$416.48Special Order
AST springs

AST

AST 07/2001-03/2008 Audi A4 Lowering Springs - 30mm/30mm

$399.20Special Order

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

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  • Mod recommendations tuned to your A4 year, trim, and submodel
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  • Performance gain estimates based on real-world results
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