The service and repair manual for the 2021 Audi A4 allroad — the 2.0L I4 engine, 6 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 year | 2021 |
|---|---|
| Engines | 2.0L I4 — 121 cu in, DOHC, turbocharged |
| Trims | Premium Plus Wagon 4-Door · Progressiv Wagon 4-Door · Premium Wagon 4-Door · Prestige Wagon 4-Door · Komfort Wagon 4-Door · Technik Wagon 4-Door |
| Other 2021 A4 allroad variants | A4 → |
| Federal record | 1 recall · 1 complaints · 732 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 A4 allroad manual
03 / ContentsSections in the manual
- Quick Lookups 353
- General Information 2,568
- Accessories & Equipment 4,288
- Heating, Ventilation & A/C (HVAC) 2,050
- Body & Frame 3,741
- Maintenance 212
- Brakes 712
- Restraints 431
- Drivelines & Axles 317
- Steering 312
- Electrical 1,131
- Suspension 769
- Engine Mechanical 1,056
- Transmission 439
- Engine Performance 1,021
04 / Known issuesRecalls on federal record for the 2021 A4 allroad
- Tires · 22V034000Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
Owners have filed 1 complaints and Audi has issued 732 technical service bulletins for the 2021 A4 allroad. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 A4 allroad manual
Is this manual specific to the 2021 A4 allroad?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.0L I4 across the Premium Plus Wagon 4-Door, Progressiv Wagon 4-Door, Premium Wagon 4-Door, Prestige Wagon 4-Door, Komfort Wagon 4-Door, Technik Wagon 4-Door trims. Specifications and procedure sequences are the ones Audi published for this year.
What 2021 A4 allroad problems does it help with?
1 recall is on federal record for the 2021 A4 allroad, covering tires. 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 A4 allroad 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 A4 allroad years and 2021 Audi models
2024 A4 allroad · 2023 A4 allroad · 2022 A4 allroad · 2020 A4 allroad · 2019 A4 allroad · 2018 A4 allroad · 2017 A4 allroad · 2016 A4 allroad · 2015 A4 allroad · all 12 years
2021 Audi A1 · 2021 Audi A3 · 2021 Audi A3 Quattro · 2021 Audi A4 · 2021 Audi A4 Quattro · 2021 Audi A5 · 2021 Audi A5 Quattro · 2021 Audi A5 Sportback · 2021 Audi A6 · 2021 Audi A6 Quattro · 2021 Audi A6 allroad · 2021 Audi A7 Sportback · every 2021 model