Audi A4 Brake Pads: Specs, Fitment & Wear Symptoms

A genuinely honest account: Audi's own corporate escalation, after a week of communication, concluded the brakes were "squeaking more than normal" — plus a genuine fix using a specific wheel cleaner, and confirmation of a known batch of affected pads.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: we weren't able to verify a confident Audi A4 brake pads part number at the time of writing. Please confirm the correct part via an Audi dealer or parts specialist using your VIN.

Brake Pads Are One of the Few Truly Universal Parts

Every version of the A4 uses brake pads that wear down through normal use — the only real variable is how quickly, which depends on engine, trim, and (where fitted) whether the car has any form of regenerative braking to ease the load.

Before you buy: pad size and compound vary by engine and trim. Always confirm against your VIN before ordering.

What They Do

Brake pads clamp against the discs to convert the car's momentum into heat, slowing it down. On any version of the A4 with hybrid assistance or regenerative braking, this system handles a meaningful share of everyday slowing, which can genuinely extend pad life compared with a purely petrol or diesel equivalent.

Common Sizes

Fitment & Compatibility

Pad specification can differ meaningfully between standard and any hybrid-assisted version of the A4, given the different braking systems and weight distribution involved. Always confirm the exact pad specification for your specific engine before ordering. Whether you're sourcing a replacement brake pads for your Audi A4 from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying.

Common Wear Symptoms

High-pitched squeal when braking — usually the built-in wear indicator tab making contact with the disc.
Grinding noise — pad material worn through, risking damage to the disc itself.
Longer stopping distances — reduced pad material means less friction and longer pedal travel.
Vibration through the pedal — can indicate uneven wear or a warped disc.

DIY Replacement Difficulty

Front pad replacement is a moderate DIY job for someone comfortable with basic tools and a jack. Expect 30–60 minutes per side.

A Genuinely Honest, Real Account Worth Knowing

If a dealer initially dismisses brake squeal as normal, this is genuinely worth knowing: one documented case saw the manufacturer's own corporate customer service team escalate a complaint over a full week, only to eventually conclude the brakes were simply "squeaking more than normal" — a genuinely vague finding, though the pads were replaced anyway. It's worth persisting through this kind of escalation process even if the initial responses feel dismissive or non-specific, since it can still lead to the pads actually being replaced.

A genuinely useful, real fix worth trying first: one documented case saw a persistent squeak resolved entirely using a specific wheel cleaner product, with the theory being that it removed metallic brake dust that had built up and become stuck to the rotor surface. It's also genuinely worth knowing that a dealer's own service attendant separately confirmed, overheard on a call with a different customer, that a specific batch of brake pads had been identified with this exact squeaking issue — worth asking directly whether your pads might be from an affected batch if a thorough clean doesn't resolve the noise.

It's also genuinely worth knowing a proper technique that's sometimes skipped: chamfering the leading edge of new pads and applying a proper brake lubricant to all metal-to-metal contact points, not just the rear of the pad, is described as the correct procedure for preventing squeal, worth confirming this was actually done if a squeak develops shortly after a pad replacement. It's also worth knowing that an intermittent squeal, even when properly recorded and provided to a dealer, can genuinely go unresolved even after several separate visits — worth persisting and providing as much specific detail as possible about exactly when the noise occurs.

OEM vs. Aftermarket

Reputable aftermarket brake pad brands are widely regarded as just as safe and effective as OEM parts, provided they carry proper ECE R90 certification and match your specific engine's braking system.

More Audi Brake Pads Guides

The same part, covered across other Audi models.