2021 Audi A5 Quattro Service & Repair Manual

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The service and repair manual for the 2021 Audi A5 Quattro — the 2.0L I4 engine, 12 trims. Matched to this exact model year, so the specifications and sequences are the ones Audi published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2021
Engines
2.0L I4 — 121 cu in, DOHC, turbocharged
TrimsPrestige Coupe 2-Door · Technik Coupe 2-Door · Premium Plus Convertible 2-Door · S Line Coupe 2-Door · Prestige Convertible 2-Door · Premium Coupe 2-Door +6
Other 2021 A5 Quattro variantsA5 →
Federal record4 recalls · 8 complaints · 1,018 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2021 A5 Quattro manual

2021 Audi A5 Quattro service manual page 12021 Audi A5 Quattro service manual page 22021 Audi A5 Quattro service manual page 32021 Audi A5 Quattro service manual page 42021 Audi A5 Quattro service manual page 52021 Audi A5 Quattro service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 297
  • General Information 2,548
  • Accessories & Equipment 4,642
  • Heating, Ventilation & A/C (HVAC) 1,990
  • Body & Frame 3,809
  • Maintenance 260
  • Brakes 417
  • Restraints 483
  • Drivelines & Axles 579
  • Steering 290
  • Electrical 1,110
  • Suspension 403
  • Engine Mechanical 814
  • Transmission 412
  • Engine Performance 650
  • Front 200
  • Rear 200

04 / Known issuesRecalls on federal record for the 2021 A5 Quattro

  1. Suspension — rear › axle › non-powered axle assembly · 21V295000
    A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a.
  2. Tires · 22V034000
    Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
  3. Back Over Prevention — display function · 22V742000
    A blank rearview camera display can reduce the driver's rear visibility, increasing the risk of a cr.
  4. Seat Belts — rear/other › retractor · 21V606000
    An unsecured child restraint system can increase the risk of injury during a crash.

Owners have filed 8 complaints and Audi has issued 1,018 technical service bulletins for the 2021 A5 Quattro. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2021 A5 Quattro manual

Is this manual specific to the 2021 A5 Quattro?

Yes. It is the OEM manual matched to the 2021 model year, covering the 2.0L I4 across the Prestige Coupe 2-Door, Technik Coupe 2-Door, Premium Plus Convertible 2-Door, S Line Coupe 2-Door, Prestige Convertible 2-Door, Premium Coupe 2-Door, Progressiv Convertible 2-Door, Komfort Coupe 2-Door, Premium Plus Coupe 2-Door, Premium Convertible 2-Door, Technik Convertible 2-Door, Progressiv Coupe 2-Door trims. Specifications and procedure sequences are the ones Audi published for this year.

What 2021 A5 Quattro problems does it help with?

4 recalls are on federal record for the 2021 A5 Quattro, covering suspension, tires, back over prevention. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Audi dealers.

Does it include 2021 A5 Quattro wiring diagrams?

Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther A5 Quattro years and 2021 Audi models

2024 A5 Quattro · 2023 A5 Quattro · 2022 A5 Quattro · 2020 A5 Quattro · 2019 A5 Quattro · 2018 A5 Quattro · 2017 A5 Quattro · 2016 A5 Quattro · 2015 A5 Quattro · all 17 years

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